DDR Memory vs GDDR Memory as Fast As Possible

GDDR RAM (for graphics cards) and DDR RAM (for computers) are SIMILAR, but also quite different from each other. This video explains the difference in just a few minutes!
Sponsor message: Give Shutterstock a try! Visit Shutterstock.com and get 25% off your account by using offer code TechQuickie214
Sponsor Link: shutterstock.com

[@probablynotabigtoe9407]

6years later and GDDR6 is here and DDR5 is almost here. And Linus has a beard

[@omkarvaidya25]

"and linus has a beard" the most significant thing here

[@hamezz2551]

And 9 months after you commented this GDDR6 is the norm and DDR5 is months away

[@Technobridger]

yes linus is very skinny

[@kyle_mk17]

He does have a beard, he's kinda hot.

[@koustubhjain6789]

This somehow rhymes

[@ChrisPC39]

1 year later and we have ddr4

[@connorwilding2557]

I have ddr4

[@liamamezaga3507]

few months later......GDDR5X

[@omaraloud8648]

+Liam Amezaga in 6 to 12 months, HBM 2 on the new 1080ti and titan!

[@aaronsj9492]

Titan X pascal uses GDRR5X xD

[@javiergarcia1372]

Now 1080ti only gddr5

[@malteeaser101]

GDDR 5 RAM is better than DDR 3 RAM because it has more letters in it, and the number is higher.

[@cIappo896]

That's the basic guide for beginners.

[@malteeaser101]

Yeah, as flippant as it sounds, it usually is the case, haha.

[@IDMYM8]

i still believe in this theory after watching the video

[@chukwudiilozue9171]

Somehow, that's true for most technologies, case in point 46 vs. 4G LTE and PCI vs PCI Express

[@Loler03]

Controversy Owl o

[@ao_qd]

I have often asked myself, "OMG, why is Linus so good at dad jokes?" And then I remember that he is a dad. [APPLAUSE].

[@rezz5570]

Oh

[@daf676]

ok [APPLAUSE]

[@skeletalgamer1013]

really????

[@S3SAGA]

This is what i think, everytime someone says DDR = Dance Dance Revolution

[@jamesd4767]

I think of Straymav on twitch

[@cybercoltz9054]

So true

[@csjdruid434]

Ángel Enrique More like Deutsche Demokratische Republik

[@jefish4981]

Gay Dance Dance Revolution

[@KokoroKatsura]

MADE OF FIRE CLACK CLACK CLACK nvm is other game

[@jordandecoste]

You're doing great work. These quick lesson videos are relevant, easy to understand and enjoyable to watch. Keep it up. Thank you!

[@haloharry97]

thx i have been wondering for ages about the differences from the 2

[@Tuberuser187]

This new series is great, been adding these to a private playlist so I can send them to friends and family when they ask about computers and tech.

[@matsv201]

There is some non correct statements in this video. GDDR2 and DDR2 uses basically the same structure, well they use the same basic modulation metod, but the GDDR2 is a port memory (channel terminator) but the DDR2 is a buss memory (non channel terminating). This is also true about GDDR3 and DDR3. But GDDR4 and GDDR5 uses the same modulation method (one generation newer than GDDR3) both uses the same. The difference between 4 and 5 is not the modulation but accessing and caching. DDR4 uses the same modulation and a similar caching/accessing method of GDDR5, so GDDR5 and DDR4 is quite similar. Also, DDR4 is the first (non G) DDR memory using channel termination. Its a ported technology. So DDR4 and GDDR5 is quite simular. There is some difference in addressing and GDDR5 is made for soldered (BGA) mounting only. You can´t use (high speed) GDDR5 in a socket, that's the main reason why its not available for CPU, because on a CPU you want to buy separate memory, but in a console, it does not matter (why PS4 uses GDDR5 and Xbox 360 uses GDDR3). Is a common miss understanding that GDDR5 have slower latency than DDR3 (as falsely stated in the video). GDDR5 have a higher CAS latency, but that's because it have a higher transfer rate. CAS latency is invert related to the transfer-rate. DDR3 and GDDR5 have i practical application the exact same time period latency. The reason is that GDDR 1-5 and DDR 1-3 uses the exact same type of ram. Every single chip is a SRAM modul. The speed an CAS is depended on the number of SRAM modules that is multiplexed inside the chip. The SRAM memory is not getting any faster or slower regardless of if its mounted inside a GDDR or DDR. The latency is always the same (for the same quality and line-width). The speed of the memory is increased by having a higher number of multiplexed unit. This increases the CAS time, but NOT the REAL time. In the olden days people often upgraded there memory's when the memory got cheaper. Buying two modules up front, and adding 2 more later on. To make this possible you have to use a bus solution. A bus solution consumes a lot of power and is slower than a port solution. In a modern computer its only the memory uses a bus solution, witch is ironic because that memory uses the highest bandwidth in total. A DDR3 uses 64 pins + addressing comparied with a PCI-E GPU that uses 8 or 16 pins in total. Memory consumes a lot of pins in the processor socket (and chip) in term dictating a minimum die size of the chip. (in the K7 AMD solved this by making the chip realty rectangular). A additional reason why bus memory was prefered was that a bus DIMM can have 2 or more stacks of memory chip on a single DIMM. Some higher capacity DIMM have 1 stack on both side, and some might have 2 stacks on both side. Making possible for a PC of having up to 16 stacks of modules on one single Chanel. With port memory its only possible to have one stack per channel. Now days its no problem in making a 2GB chip or in same cases 4GB chip, thats why the PS4 can have 8 GB of GDDR because it uses brand new higher capacity GDDR modules. DDR4 solves a lot of this problem, both lowering the number of pins needed and raising speed (witch will enable CPU to continue using a 128 bit memory system in the future), also enabling cheaper processors of using a 64 bit system with good performance. Thow DDR4 still uses socket, the maximum frequency is limited, so the performance will not match GDDR5, but it will be quite close, aproximlty 20% slower. We probably have to wait for ReRAM or MRAM to get a on Chip RAM memory (for PC, in phones it already exist)

[@Kobe2408]

Great explanation. That helped alot more than most of what the video explained lol.

[@matsv201]

Thanks, the thing is about modulation that most people think of modulation of some thing of the past and dial up connections. But looking at USB 3.0, Firewire, HDMI, PCI-E an also in some extent memory busses/ports every single pin have a modulation unit (like a old dial up modem) attached to it. A dial up modem runs at

[@Kobe2408]

matsv201 Wow good stuff. Didn't know that either.

[@brunonovellis3771]

The force is strong with this one...

[@Ubeogesh]

where do you know all this stuff from?

[@dylc413]

"that's not even a *tasteful* joke" ba-dum-tshhhh

[@yjfuykyil]

These videos are fantastic. I get A LOT of these questions from my friends, and nowadays I usually just guide them here. Very informative for inexperienced users.

[@ibainesy]

"Things like High resolution game textures..." ...Uses Pixel art.

[@cheedam8738]

lol bad image choices

[@htasul]

i like ddr3, but i prefer ddr420

[@aidan5256]

***** DDR69.

[@HilbertXVI]

+stl522013 DDR1337

[@MrLimeGamingContentAndFreeGFX]

+Hilbert Black (No. XVI) DDR420BLAZEITMLGLOOMINARTYCONFIREMEDDORITOSMOKEWEEDMTNDEWOHBABYATRIPLE

[@HilbertXVI]

DDRX - Infinity

[@DariusMo]

+Harvey Sullivan 69 likes lul

[@AnonymityIx]

lol how many channels is this guy on. ive seen 3 now

[@ratbo]

Ncix, linustechtips, Linuscattips, channelsuperfun... Maybe more?

[@bordercollie21games9]

[@bordercollie21games9]

***** techquickie

[@kirstenleewapasshorse3645]

***** He's even on some videos where he is at a tech convention explaining products. He's pretty much everywhere technologically related.

[@Happytylermovieproducction]

border collie21 games That Linus's Another Account TechQuickie Also Known As Quick Talk

[@bromar27]

Subscribed I knew the difference, I just like the idea of your channel, quick and to the point. Thumbs up!

[@luckyflp43]

Thanks so much! The video certainly clarified my doubts rereading DDR3 vs. GDDR5? Keep up the good work! Have a wonderful day!

[@TheBrinkofDestruction]

Quit HORSING... around... eh?

[@drivedoodle]

^

[@Miguelena-mx3qx]

No...just...no...

[@lutyanoalves444]

NO GOD PLZ NO! NO! NOOOOOOOOOOOOOO

[@yaltschuler]

+Mr. Littlenewo I have an old USB cable that says that you can't use it as a noose. I mean, the text is so small, it's a miracle I caught it beforehand! I'm otherwise out of options of what to use for a noose. Got any ideas?

[@aminedr9474]

Lmaaao u just predicted 2018 rewind

[@EmmaCross94]

Dude... It's like the entire video is a segway for the ad...

[@Halofan4001]

sponser dude and linus is giving you information

[@EmmaCross94]

Ryan Shane I know... (?)

[@shizueleven]

Ryan Shane but the ad didn't have to take about 1/4 of the video.

[@f16madlion]

Well your welcome to pay the channel to make content instead, until then, deal with it :/

[@EmmaCross94]

f16madlion I wasn't complaining. lol

[@RealDealHolyfield2099]

Great explanation of DDR and GDDR! I even liked the advertisement/review of Shutterstock at the end. Very convincing!

[@ChrisytinaaCoffee]

Dude for real, you’re the freaken best and I love learning from you. It’s so darn interesting.

[@cre8ive65]

Huh, the first techquickie that taught me something... Awesome!

[@frim3647]

cre8ive65 Yeah, I didn't know Dance Dance Revolution had 3 different versions

[@woodwin1611]

Sir Ramen 😂

[@MrJaryd2000]

Back on track - LOL

[@MrJaryd2000]

GamingGodOwen You're lame...I'M AWESOMEEE!!

[@DizzPants]

GamingGodOwen Calling people dicks are sooo 2010. Get with the times man.

[@DizzPants]

GamingGodOwen Hobbit*

[@MrJaryd2000]

GamingGodOwen Can I just get back to watching my damn KZbin video?

[@Ponlets]

GamingGodOwen lol a hobbit no liek yew

[@benitoabreu4785]

Thanks for clearing things up for me, bro! I didn't know how different it actually was. Thanks!

[@Brian_Fantastic]

I understood most of it, so this helped to round out my knowledge. Also it'll be a nice tool to teach others. What a great idea for a channel!

[@DylRicho]

$250/mo for just 25 images per day is a little high.

[@Sergedfabre]

you would be paying 3 bucks per image

[@austinwhiteted8231]

@@Sergedfabre wouldn't that be 75 bucks kiddo

[@Sergedfabre]

@@austinwhiteted8231 I was wrong it would be 1 dollar per 3 images not 3 dollars per image (since you would get 750 images in 30 days for 250 dollars).

[@ApplesGoneBloopie]

Dam. Those horse puns were pretty good.

[@EthanNZ]

***** Seriously? oh beHAYve >.>

[@EthanNZ]

Can we just stop?? We're all NEIGHbors here. right?

[@emilioinocentes1123]

Thank you Techquickie for that techie information.

[@fatbeard8072]

This video is old and still worth every minute. Thank you for explaining it.

[@blueeyecite7363]

6 years later we have gddr6 and ddr4 and getting close to ddr5

[@ello1234567]

Those bad puns. GOLDDDDD!

[@BlackPsuedicide]

These videos are awesome, makes it so easy to refer people without having to explain myself.

[@surfmonktutt]

Love the tech tips! The puns that make you groan are just an added bonus. Cheers!

[@HesH_WT]

100 dislikes wtf this was very helpful and informative. As all your vids usually are

[@scase15]

Probably something to do with the advertisement taking up almost as much time in the video as the explanation.

[@NeilBooth]

or the horse joke?

[@scase15]

Hell I'd give a thumbs up for that. I love me some shitty jokes.

[@cosmic_gate476]

Advertisements are his way to earn money, without them you would not have this video...

[@HesH_WT]

pretty much otherwise its a big slice of your time for nothing. if it was you in his shoes you would do the same. it sucks tho i can buy pc parts from them i live in australia and parts here are way to expensive. but i value the reviews and build guides there verry good and to the point

[@aqualoe]

Ah yes KZbin, thank you for recommending Linus video 5 years later, just what I needed.

[@ALZulas]

My computer architecture class just asked this question. I'm just happy to have clarification! And some more information for class to make me sound smart.

[@danpiontek9839]

Ya it helped me. I dont know computer tech pretty much at all but, I am learning as I go so to speak. I gotta tell you tho, when it comes to purchasing anything for my rig I seem to go into a total brain melt with all the choice out there sand being an under average person of the U.S. population in terms of the financial side of things it is important to know the difference between what I can buy and what will work so I dont have to learn the hard way in which seems to be the repeating trend in my life. These type of videos you and other KZbinrs make help us computer users that are uneducated in the subject make better decisions. I can only speak for myself on this but I think they help other people as well. Good channel. I subscribed. Thank you for making them simple enough for everyone to understand. Cheers

[@86BuzzSaw]

Take note console fans, this is the primary reason why the xbox is struggling to display 1080p over the ps4.

[@yizeverienametaken]

no

[@djelectric]

Console fans? You mean peasants.

[@86BuzzSaw]

***** Lets just save any arguement's and say its a combination of the two

[@brickdustwithmilk]

86BuzzSaw Let's just stay above the console peasants and not bother ourselves with them, they can roll in their filth in bliss... And not get any on us.

[@86BuzzSaw]

djelectric That's what I was thinking, but my new years resolution was to be nicer to the less fortunate

[@lsq7833]

...but... Horse meat is good?

[@MrRyangrrr]

+lsq78 You obviously work at Tesco

[@Kriae]

+lsq78 Yes if you are from Eastern Europe.

[@BoleDaPole]

+lsq78 its too chewy imo

[@eitkoml]

+FDN More like, yes if you like red meat.

[@samsoulee]

Damn now that's a very good explanation !!! Very instructive video :) Good work !

[@LostFunocity]

I knew there was a difference! Just couldn't explain it and now I can. Thank you

[@other2494]

According to the comments I'm the only one watching almost 6 years later lmao

[@yassienE4935]

No

[@tony_rd1941]

No

[@STORMFIRE07]

No

[@sharcs]

$250 a month for stock images? Wow

[@WildLeghorn]

lol @ ur profile pic xD

[@PlatinumEagleStudios]

Easy way to get pictures. Go find an image you want. Right click then click save image as. BOOM! You now have the picture to use in your video and you don't pay a single cent for it. Shutterstock is a rip off and a useless service. Why would you need to pay for images when you can take them yourself or download them for free off google.

[@walterclementsjr.5947]

@@PlatinumEagleStudios pay for it and they will get rid off watermarks for u?

[@inimicalnature]

@@PlatinumEagleStudios So presumably you'd rather pay for the legalities between you and the image author, yeah?

[@merrilldavis7201]

Platinum , it is illegal to use others work without the owners consent, in that situation, the owner could sue you for using their work without the appropriate license thus losing them of revenue

[@adlerstroke522]

Thanks Linus,i ve learned now the difference between ddr and gddr now,keep up the good advices,hello from France.

[@reece2080]

this vid helped so much linus thanks keep at it!

[@Floh2802]

But will DDR (Dance Dance Revelution) affect my DDR Ram D:

[@hamzerpanzer]

The RAM requirements for that game are insanely high. At least 128gb

[@Floh2802]

Hamza Aman Oh.

[@hamzerpanzer]

+Floh 2802 Sorry. I meant to say 512gb of RAM. And an intel xeon 10 core cpu. And titan xp's in sli

[@Floh2802]

Hamza Aman Welp gotta get that 0.5 frames

[@toastywf]

actually the min ram is ~1.572 TB and u need a 6950X 10 core 20 thread OCed with liquid nitrogen as cooling and i think it was 3 or 4 titan Xp in sli to get ~1.4 fps

[@aayushparmar3482]

6 year later Linus still doesn't use Linux

[@earthbind83]

Thanks for explaining! Good job!

[@GamerXLegion]

I love this KZbin channel. So informative

[@portaadonai]

Whom of you counted the 74 words... o.O I want names!

[@theramendutchman]

Fons

[@spazzwazzle]

Who*

[@GhostRider-jk4eo]

@@spazzwazzle whom is still a word. who is more commonly used and whom is more formal. looking at the definition of whom I'm pretty sure it fits in this comment

[@spazzwazzle]

@@GhostRider-jk4eo Don't care, didn't read; I'm dabbing on you right now -dabs-

[@GhostRider-jk4eo]

@@spazzwazzle Why didn't you read it huh? I'm just correcting you because so many people think the word "whom" is wrong or they never heard of it. Correcting people is in me; sometimes I try to avoid it but just can't help it.

[@sasquatchcrew]

DDR= System Memory GDDR= Dedicated Graphics Memory

[@dojomojo5085]

The best answer

[@av2678]

I wish Techquickie makes "Remastered" version of their videos in which they tell what things have changed after their old videos, will take a long time, but even if they explain new gens of old hardware. That would be great

[@LadderOfChaoss]

great explanation dude :) i recently found ur channel but u have some great videos :) keep up the good work :P

[@WOOHOJEHA]

Is eating horse meat really such a strange thing in America?

[@josav09]

It is, in all america

[@SosaGJwz]

And Europe

[@WOOHOJEHA]

NitroHamster I live in Europe and it's not that strange here.

[@SosaGJwz]

At least in The Netherlands it is, thought it was pretty much the same but guess you are right :)

[@user-pl9nx9np3j]

NitroHamster Dude i live in the netherlands and i can order a ''patatje zuurvlees'' with horse meet in it at any fast food store

[@DokoBeats]

horse has been eaten for years. dated references in this video

[@SdudyoyO]

I knew some of this, but this really explains alot of the stuff I didn't know, and It was easy to understand!

[@rjenkins591]

I had an idea of what the difference was, but this clear everything up.

[@abdullahtshabal9522]

$250 a month for a subscription? That's like the monthly rent for a flat...

[@CringeUser-1-19-1-2]

so, in other words, it doesn't really matter

[@lydierayn]

thank linus very cool

[@senilord]

Awesome! I've been wondering about this for quite a long time. These quickie video's are reaaally helpfull :). Thx Linus

[@kairon156]

This one wqs quite informational. I knew GDDR was somehow different from normal DDR but I didn't realize what made them different from each other.

[@TiltedShot25]

"DDR4 is still not available...." Ah, the future was just around the corner, Linus.

[@2sites]

$250 a month? jesus christ

[@mikev.7361]

good stuff, I had a general understanding of both type of rams. This just made things clearer haha. Thanks Linus

[@motherfuvkers805]

yo Linus,i didnt know about this chanel,great job.ive got alot to learn

[@Falcrist]

A better response might be to say that there are *many different kinds of memory* with different purposes. Each kind of memory has a particular latency, bandwidth, persistence and cost. Most of the memory in your system is on a hard drive of some kind. It may be on a HDD or SSD, which have advantages and disadvantages depending on what you're doing with them. Generally, the SSD is faster, but costs far more and has less capacity. There are also different kinds of ram which are used to hold programs you've opened. It's AMAZINGLY fast compared to even an array of SSDs or HDDs. Why don't we use it for everything if it's so much faster? Well, ram is hundreds of times more expensive per gigabyte, and the data doesn't persist when power is removed. RAM has a different purpose than hard drives. But there are even FASTER forms of memory in your computer. In fact, there is memory that makes even the fastest RAM look pathetic. That would be the CPU cache. This memory is integrated right into the chunk of silicone that your CPU is printed on. The latency is tiny, and the access speeds are many times faster than your ram. Why don't we store more in the cache? Because it's by far the most expensive type of memory, and requires a lot of upkeep and power to keep running. Each of these types of memory has been engineered for a different purpose. Just like DDR and GDDR.

[@RaulKolk1]

Does anyone know if these differences may account for why Microsoft went with DDR3 on Xbox One instead of GDDR5 like Sony did on PS4? Does DDR3 work better with ESRAM which is meant to overpower PS4 when Microsoft integrates the Xbox One with Directx 11.2 and tiled resources?

[@scase15]

Quiet console peasant, this realm is for master racers.

[@cosmic_gate476]

Why would Microsoft do anything that serves as an improvement in performance when they know how intelligent their customers are?

[@frank-staphorsius]

The Xbox One and PS4 both use the same APU from AMD, but indeed different memory. These APU's are customised by Sony and Microsoft. I think that it depends from the operating system these consoles are running.

[@thedoc2994]

In a nutshell: - DDR memory is optimized for handling small chunks of data at very high speeds (low latency). - GDDR memory is optimized for handling large amounts of data (high bandwidth).

[@MuddyDrivewayProductions]

Pretty cool editing

[@Psychotyzm]

painful jokes... very painful...

[@YeroJero]

Thank god Linus. I can send this to the console peasants.

[@odinn3379]

I had sort of made this up in my mind but having it cleared up like this is good :)

[@heldscissors4132]

Man, watching old tech videos sure is something

[@trefod]

Horse actually makes good eating.

[@fivesquaredyt2521]

trefod L

[@MeikainoHadesu]

In Japan they do!

[@bobbygecko]

so why the hell should we believe anything in this video after he lied to us within the first 30secs.... he said "... in 74 words..." bullshit! i counted at least 327!

[@bobbygecko]

i know i am, thank you.

[@betaneptune]

Pretty good. And no bad music! Thumbs up.

[@piggy6394]

40sec in and I know this is a helpful video. Thanks. liked

[@gamemaniac85]

I imagine in the future the Graphics card will be more like motherboards... Swapping a GPU and Memory like we upgrade MOBos components

[@Momo-zx8of]

+gamemaniac85 I dream about this at night...

[@ToriRocksAmos]

Interesting thought!

[@techandtipsgamer8286]

Oh this Linus and his jokes

[@j1philli]

This is something i didn't know and is now inside my brain thx linus!!!

[@LgBadluck]

This was very informative. I would like a tech quickie on the topic of APU and RAM, especially with the AMD's new hSA technology.

[@leerman22]

The PS4 uses GDDR5 memory shared between both the CPU and GPU. I guess latency doesn't really matter because it's a dedicated game console.

[@Exile1a]

Graphically it does better. But if one of the games starts taxing the CPU part it will start chugging very quickly.

[@malachihart7370]

the ps4 has a apu and so does the xbox one

[@Exile1a]

Malachi Hart Which inside has Cores designated for Serial Computing and Parallel computing. A CPU part and a GPU part. An APU is a hybrid with to processors integrated into one. That still means that when the CPU part is taxed it will be hindered by the GDDR5 Memory.

[@doodskie999]

pls make GPU vs CPU, why do CPU's have built in GPU's but no GPU's with CPU's, CPU's have a higher clock rate but GPU's have more cores and processing power.

[@akikomiwa2720]

OK... the basic idea is that a CPU can run just by itself in a system, however a GPU can't. it is an add in card that is made specifically to handle graphics. as for clock speeds, most of the time is you turn your clock-speed higher your temperatures will go higher, and also GPU's are for a very particular use and so they would have more power than a CPU ONLY IN THAT PROCESSING CATEGORY. I hope this answered your question, if not I'm sure TQ will see your suggestion.

[@MissesWitch]

I love how you used the picture of my graphics card for this! ^^

[@R4MpAgE]

that uni-brow coming in nice and clean

[@yaboi2savage314]

so my motherboard with ddr3 can support my gddr5 gpu??

[@Frankiitto122]

Yup

[@zool8139]

Ultimate Krait nope but jellybeans will work just fine 😂

[@Frankiitto122]

Sam Brown ???

[@zool8139]

Frankiitto122 it was but a joke would not recommend installing jelly beans in any computer

[@alickzhang]

+Sam Brown Wow. Now you tell me.

[@MrOlyevo]

The second option Linus! Only a noob would not know the difference between ddr and gddr.

[@gustavo765rs]

I guess the focus of his videos are for that kind of people man

[@musharioh]

well those small difference can be lost and hard to find for PC beginners even when they seems very obvious to the experts.. it's good to have a series where you can get a primitive info..

[@pscottyxx]

google the word noob and understand it before telling people that their noobs..

[@nikolaivii5766]

***** GabeN to that! It's amazing how confident the ignorant serfs seem when they boast about their PS4's GDDR5 RAM and how it beats PC's DDR3. Ughhh.

[@skifree0]

Nikolai Azerbaijan well it can be very beneficial but not in the sense of the hardware. with proper optimization having gddr5 can be a good choice. If game devs tap into huma, objects stored in the shared ram doesn't have to be sent through pcie lanes to the gpu. and there is less memory references to deal with, since the cpu data can be sent into memory can be instantly manipulated by the gpu (normally the data is sent from cpu into the frame buffer then the gpu gets to work on it)

[@BlackBlade4Life]

Well would you look at that. This video is exactly 1 year old. Exactly the day I needed this answer. :)

[@aldrinjaredbravo2454]

thank you for the explanation sir because im i bit confused the difference of the drivers. thanks for the tutorial video it really helps me to acquire knowlege about pc.'s.

[@ArcadePC]

Okay so explain then a APU which uses a graphics processor unit AND a central processing unit all on the same chip. Both now utilize your DDR memory... LOL

[@BreakingExile]

That is why high frequency DDR ram creates such a drastic difference. This allows the GPU cores to run at a much faster pace, thus buffering through large files easier. High Frequency ram doesn't matter much with CPUs because that deals on a smaller scale there speeding things up may not be an option.

[@toshineon]

I always heard people say that the PS4 uses GDDR5 as system memory. If this video is true then that doesn't make much sense at all.

[@Beckham123Fan]

***** He is correct, but to expand on, PC's have separate CPU's and GPU's. (you might not yet understand what the fuck im on about) The PS4 uses both CPU & GPU in one mechanic. its called something like APU. not to sure.

[@toshineon]

Ah. That explains it. Thank you.

[@karlslicher8520]

The PS4 architecture is approximately 30% faster than a PC with everything matching. It does not have to copy or move the data around in the memory and both the CPU and GPU can work on it at the same time. It will take 12 months for the big 1st party devs to learn how to use it well though. The PS is a less powerful system than a top end PC but this build is literally the easiest system devs have ever had to work with. Sony is hoping that along with the VR headset the easy access for the devs. to the system will make it a must-have for all gamers.

[@Leyvin]

The PlayStation 4 does use GDDR5, which really the main reason they put this down is because well as a Gamer you have no idea what the difference is... all you see is well GDDR5 has a 5, while DDR3 has a 3... 5 > 3 thus PlayStation Better! Or at least that is what the Marketing Dept. at Sony are hoping you will think. Now this gets a little tricky to explain, but basically the number assigned to them (i.e. DDR2, DDR3, GDDR5, etc...) actually relates to the number of lanes available. Image it like a Motorway (Freeway), with Data being the Cars on it. So obviously it makes sense that more Lanes = More Cars, so there for more Data! \o/ Only the thing is that the Motorway is powering Electric Cars running on it, so the more Lanes you have the Slower the Cars have to Drive because there is only so much Electricity to power them. As such while you might have 3 Lanes of Cars Driving at 100MPH on the DDR3 Motorway, on the GDDR5 one you have 5 Lanes driving at 70MPH. What is even more important here is what happens when these Cars reach their destination.... you can imagine this as a Toll Area at the end of the Motorway before entering the City (Processor) Now natively Processors only support 128-bit (i.e. 1 Lane) Data Bus, but when DDR 2 was introduced; AMD brought in Hyper-Transport, which allowed for 2x 128-bit ... this was later expanded when DDR 3 became available to 3x 128-bit. It actually does work almost exactly like a Toll Area too, handling several data lanes at once... serving each Lane so that they perfectly merge into a single Lane without any slow-down. Still if we were to say use GDDR4 / 5 instead, what we would end up with would be a Traffic Jam because there are too many Lanes of Traffic trying to Merge. GPUs don't have this issue as they natively run at 384 - 512-bit ... so there is no need to even have the Toll Area, especially as you match the GDDR3 - 5 with the native Bit Rate of the GPU. Now what was said in the Video about GDDR and DDR in terms of design, is well semi-true. Remember System Memory is by design more General Purpose, so whoever builds the PC can chose the specifications of your Memory. Low-Latency (measured in CLK Rating) is great for Multi-Task Environments, where-as you can also get High-Bandwidth (measured in CAS Rating) which is far better for Large Data Transfers (e.g. Gaming) With Graphics Memory, as you can no longer swap it out (used to be able to back in the 90s) really they just chose a setup based upon the price-range the card is aimed at. Budget Cards tend to get Latency Focused as they're assumed they'll be used for general Windows / Business / Multi-Media stuff, where-as Gaming / High End Cards tend to get Transfer focused to allow for massive file transfers. It is under the hood actually identical to System Memory, with the one exception it never supports additional features like XMP - which I'm just not going to explain here but it's basically a good way of getting Low-Latency Memory to also support Large Transfers. (extraordinary important for Gaming or Video Encoding) Still you might be wondering... "Alright, I think I understand how Memory works now - but this still doesn't explain why the Xbox One uses DDR3 while the PS4 uses GDDR5" And well, unfortunately I don't know the hardware specifications of the PS4 APU unfortunately - so I can't tell you if it's specially designed with a larger Native Bus than is usually on the A12 "Jaguar" APU to make use of the extra Data Lanes or if (and judging by what Sony have previously done) a simple case of an engineer / executive believing it is better thus it should have it regardless if there is a point or not. I could point to some absolutely puzzling design decisions about the PS3 and PS2 where to this day I still cannot explain to you why they would deliberately include something that could never properly be utilised by the system because of the hardware design. This said given that the PS4 does use the System Memory as a Shared GPU / CPU Memory Space, including where the Frame (Back) Buffer is stored (screen output) then it does make sense to use GDDR5. Microsoft on the other hand opted to include 32MB of eSRAM, which is basically dedicated memory built-in to the GPU component(s) of the APU to handle this then use the cheaper and more reliable DDR3. Which suits their console far more given it does run on Desktop Windows 8, so it realistically needs the Low-Latency a bit more than High Bandwidth. Really at the end of the day were not talking about a major difference right now in terms of performance, but in a couple of years when Developers are trying to really squeeze performance out of these machines the design of the Xbox One lends itself far better to this - while the PS4 has a good chance of being CPU (well APU I guess lol) bound in terms of Performance.

[@toshineon]

Leyvin360 Wow. Impressive explanation.

[@rilocastrillo6601]

yus thank you! so much i be been wondering for days.

[@rilocastrillo6601]

I've ** sorry about that

[@djake77]

These are awesome keep it up

[@Beyonder1987]

GDDR5 actully runs better and faster of apps and OS on PS4 than DDR3 apps and OS running on Xbone.

[@SirLugash]

OS and apps aren't really a benchmark of the underlying system...

[@Beyonder1987]

SirLugash maybe Not but goes to show that GDDR5 can run better.

[@perez9619]

No one cares if your first comment, I came here for knowledge. Not stupid kids,who claim first comment.

[@LukePTBA]

Your comment is just as pointless, watch the video and stop letting a comment section upset you.

[@perez9619]

***** Oh come on, is doesn't get you annoyed when they do that?

[@XxDREADFULLxX]

wolfstar Lol why do people get annoyed at people who do that?? You wouldn't even see it if you clicked on the video 5 minutes later....

[@LukePTBA]

I honestly don't give a fuck. I'm more annoyed that people don't recognise the redundancy in posting a pointless comment about yet another pointless comment.

[@perez9619]

***** You don't have to be rude jeez.

[@expectatussle]

Who dislikes these videos lol they are informative and he always throws in a little extra. Linus, Who I have been watching for years is fastly becoming one of my most go to techy guys in this world and most of the time I dont even have to send him a message, the video is most likely already out and educates me with anything and everything I have to ask

[@yazeedmohi]

Nice video; simply and well explained.

[@betabotreborn3755]

my video card said ddr3 on specs wtf

[@ikarsmelnalknis5250]

Some laptop gpus use ddr3 because its cheaper

[@ikarsmelnalknis5250]

actually its ddr3 because gddr3 is just and older version of gddr5

[@wojciechtechtips1602]

whos whatching in 2017

[@ThisismychannelXD]

wojtek lasik Shut up.

[@ponakklawq9863]

wojtek lasik stfu

[@Seralious]

Woah, awesome. Thanks for the video!

[@KoganeNoKenshi]

Very well explained!