Samsung Galaxy Watch 6 & Classic : Scientific Review

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Timestamps:
00:00 Most Important Background
01:32 Heart Rate Test 1: Indoor Cycling
06:22 Heart Rate Test 2: Outdoor Cycling
11:10 Heart Rate Test 3: Weight Lifting
15:38 Sleep Stage Test 1: Consistency
21:51 Sleep Stage Test 2: GW5 in Sleep Lab
27:48 Conclusions
I systematically tested the highly anticipated Galaxy Watch 6 and 6 classic, and in this video I’ll share the results . My first tests show that the watches might be good enough for some of you, but I’m not sure if they will live up to the expectations some of you might have. In fact, getting the previous generation, the Galaxy Watch 5 might actually be the best choice for your specific use-case. But, you can decide yourself based on the results I’ll share with you
Hello everyone, for those of you that are new to the channel, my name is Rob, and I’m a postdoctoral scientist specializing in biological data analysis. In this video I’ll share my first tests of the Galaxy Watch 6 and 6 Classic. Ow, and you might be wondering what is going on here. Well, I’m not in my normal studio, because I was visiting my parents in the Netherlands when the watches became available, so I quickly popped over to the store to get them. And, the big question, why do I have all these electrodes sticking to my head. Well, that’s to test the sleep stage tracking of the Galaxy watches, but these results will follow in the full review, since it will take some time to analyze them. However, I will show some sleep test results in this review too. I bought both these watches yesterday, and I’ll be analyzing the results as they come in, and I want to start with the heart rate tracking performance of the Galaxy Watch 6 and 6 classic, which i will test in two stages. Both times I will test 3 types of exercise, cycling indoors, cycling outdoors and weight lifting. And the first set of those tests I did today, so let’s take a look at those results.

[@aye3678]

Said this before but i'll say it again. These videos are very much appreciated, bro. I will never buy a smart watch/fitness tracker without watching your review on it. 💪

[@TheQuantifiedScientist]

Wow, thanks so much 😊

[@Hitchenz]

10000+ on that amazing videos ❤

[@debojitmandal8670]

@@TheQuantifiedScientist but y is the galaxy watch repetedly performing bad for so many years

[@berkensayilir6467]

every time I watch one of your tests I‘m reminded of how KZbin once was. Nowadays tech YT seems to be 90% embargo or spec-list content… keep up the good work!

[@wkr7025]

Please send your report to Samsung! They have to do better!! A little disappointing... especially the Classic version. Thanks for testing! It is very interresting!

[@mistagog]

The only hope for this is that then they will take up the solution of the problem.

[@Nikhilhadid]

You can tell how much he works hard literally sleeping with those wires is literally a talent

[@ShazbotDesign]

I've done it for 6 nights for sleep studies.. You better be good at sleeping pencil style because that's pretty much all you can do.

[@BenjiiBee]

Blown away by the testing standards you do. Very interesting to see the correlations between both models as well as a control. Keep up the good work!

[@yildiraykomurcu]

Why can Samsung not improve heart rate measurements in different scenarios and catch up with Apple and Huawei? It's been two years since they achieved medical accuracy. My bike rides with Huawei GT3 gives spot on heart rate results with Polar H10 as long as you have a tight fit on the wrist. How about sleep tracking on Samsung Galaxy Watch 6 being still a gimmick feature ? Oh come on Samsung, you can do better. Battery life, don't mention !

[@philth7587]

It's wild that only Huawei and Apple can do it really well.

[@andreasborkes695]

I'm very disappointed, too. I want to switch from my iPhone and AW Ultra to S23 Ultra with GW 6C but without a good accuracy i don't want to switch. No idea why Samsung puts so little energy and especially accuracy into their watches, although they are an important key element for many. I don't know any manufacturer except Samsung that regularly degrades its products as well. In this case, the battery runtime. In the case of S-class phones, worse displays, less ram, thicker bezels, etc. Which decision maker thinks up something like that? This way, I only continue to lose market share...

[@adambenk0]

Ever since I had Gear s3 for testing I knew that AW even back then were so much more accurate when it comes to heart rate tracking. I really like Samsung phones but they forced me this year to switch to iPhone. Hopefully iPhone 15 pro is going to be good.

[@Riftmaker17]

Because Sheeps will Buy anything even a 50$ plastic toy being sold for 450$.

[@marioqwertz9639]

​@@andreasborkes695well I switched...don't regret the switch to the S23 Ultra, but obviously the watch is garbage...have ordered the tab S9+ as well, hopefully it will not disappoint...

[@Dev-Austin]

I have refreshed your video uploads a number of times waiting for this video - and I still didn't expect it to be so soon! I haven't even watched it yet and I'm excited 😂😂 Thanks for all your hard work Rob!

[@helbrassen4576]

Why are samsungs smart watched getting worse and worse at hearth rate detection?

[@sudhanchhetri1267]

I was about to buy a galaxy watch. Just in time, I found this guy. I decided to buy Huawei GT3. I tried Apple Watch SE 2022 along with GT3. Compared it while running, even switched wrists. Got almost accurate results. Could not make me much happier. The battery is awesome. Goes almost for a week. I use it during sleep. I found my falling asleep time, and woke up time the most accurate and also how many times I woke up in the middle of the night are also good. It looks good too. This guy saved me from gimmicky galaxy watch.

[@TheQuantifiedScientist]

Happy to help!

[@charlesdegaulle2928]

i 'upgraded' from a huawei to samsung smartwatch and it is a downgrade. battery life and sleep tracking inaccuracy is the biggest problem .

[@uklondon4344]

Which Huawei model do use, GT3 or GT3 pro ? and did compare it in sleep tracking with Apple watch SE ?

[@2xSundays]

This man should have millions and millions of followers. Great spirit. Great, objective content. Smart. Humble. Passionate.

[@nitheshmohun5705]

Please review the Huawei watch 4

[@danieljrgensen133]

Hi Rob! The Withings Sleep analyzer, has received several firmware updates since your review...would a re-test to verify if accuracy of sleep stage detection has improved, be possible? 😊 Keep doing what your doing, love watching your reviews! 😉👍

[@GadgetyMV]

Quantified Scientist - outstanding and thorough reviews. Express delivery, too! Looking forward to the sleep tracking! Samsung claims increased focus on the sleep tracking, and hopefully they are improving the algorithm, not just the display of the readings on the watch, although it doesn't look promising based on your current initial test.

[@TheQuantifiedScientist]

Thanks! Indeed, we will have to see. Data presentation and providing context is also important, so it is good they do that, but improved sleep stage tracking is needed if they are going to base their advise on it 🙂

[@GadgetyMV]

@@TheQuantifiedScientist Thank you for the reply! I find Samsung's advice very generic, apart from explaining how their sleep scores are calculated, and what the normal ranges are. For example, I'm informed that my deep sleep is important for physical recovery, got a "good job" comment because it was sufficient, but no actionable items of what I could to increase it, or improve upon it. I guess Samsung is not alone in this? Another improvement point, I find it odd that if I go to sleep in the early evening, wake up before midnight, and then go to sleep again right after midnight, the sleep time prior to midnight goes to the previous day. It's not added to this night's sleep because I woke up. Again, perhaps this is a tradition and Samsung is not alone in this, focusing on calendar days, not on the nights, which frequently cross two calendar days. Thank you again Rob, for a great job! Hopefully your tests and analyses will make the manufacturers improve.

[@eziofilho99]

Great video as always! Rob, is it possible for you to add gps accuracy as well? Not necessarily taking a close look at the map and etc, but in general terms. Like how distance is the tracked distance and the real one.

[@fist003]

Thank you for the in depth testing as usual. Great work as usual. Good to know that consumer can save money and get the 4 or 5 to get the similar health tracking as the 6.

[@krollpeter]

For that kind of money I do expect better accuracy from all of them, 4, 5, and 6.

[@TheQuantifiedScientist]

Indeed, that is what my first tests seem to suggest. Maybe firmware updates will improve things at some point..

[@debojitmandal8670]

@@TheQuantifiedScientist hpw does galaxy watch 4 performs in 2023 as it recieved many updates

[@puttekindh2992]

Thank you Rob! Been waiting for this one from you! Keep up this extremely time consuming reviews you are doing!! Tnx once more! 🌞

[@moshelevceder]

Just found the channel and honestly your analysis is so thorough and amazing keep up the good work!

[@TheQuantifiedScientist]

Happy to hear that ! Thanks 😊

[@theofficialultra2353]

Great review as always!

[@saeedstar]

Nice, thanks for the the great review. Have you ever compared the effect of using a fabric band to using the normal plastic band? Can a fabric band improve the measurements significantly since it couples the watch to the wrist better?

[@georgemarkets1]

Instant like :) Thanks for the unbiased , quantitative reviews .

[@TheQuantifiedScientist]

Thanks George!

[@Mau365PP]

​@@TheQuantifiedScientistPlease test the Huawei Watch D!!! It measures blood pressure 😍

[@n0n1m03]

@TheQuantifiedScientist Nice job! I hope you can help me with an interest question, and I believe there are not much solid information about it around tbe internet. There is any problem using fitness trackers/smartwatches/smartbands on the inner side of your wrist (palm side)? I mean, how bad is it (if bad at all) to the accuracy of the device? Do you have a word on this issue? Maybe you can consider doing a video testing it, would be great!

[@mikele7982]

Hi Rob, awesome review as always. On other forums there is an issue about watch 6 classic rotating bezel shifting, not firm. This is my guess but this would definitely affect the heart rate monitor in heavy workout sections.

[@dharr163]

I see a lot of comments on the Galaxy watches being bad at tracking sleep. I've never had an issue with mines tracking my sleep as it was always spot on. Never did a deep dive on many other features so I can say but the sleep tracker worked fine. And Im an erratic sleeper

[@charlie996]

This definitely helped my decision as I'm looking for a smartwatch for general health and running. Thanks Rob!

[@AATproducer]

I have been waiting for this video! Thanks for doing the science work. Only after your reviews i can truly evaluate if I can buy somethng :)

[@grllaspeak]

I believe Samsung were giving a Velcro strap as a early buy option. I change all my watches to Velcro straps for better HR readings. Maybe retest later with a Velcro and see what happens, I'm would be interested. Not a bad watch overall, I ordered the Watch 6 non classic. I don't believe a sports watch should have a rotating bezel. Great video, thanks again.

[@simdencard]

I agree. I have the Watch 5 pro and love the fact it hasn't got the bezel as this would then be prone to breaking when doing sports and especially when it's under my boxing gloves. I also use velcro straps for better accuracy also. I can't downgrade to watch 6 due to the battery life as I have lte and use my watch and leave the phone behind when training or sometimes for the whole day when at work and the battery easily last the full day no stress.

[@MarcoPolo82]

I agree with you, with my Watch 5.

[@GamerDan89]

You're right! The Watch 5 was sexy but the black bezel bothered me a bit. The Watch 6 got this done better with a bigger screen and less bezels. I get mine 6 tomorrow :)

[@ejmtv3]

This is what dedication for Smart Watch reviews looks like!

[@canbalcioglu4229]

Hoi Rob, here is a fan of your work from Capelle a/d Ijssel😊 whenever I decide to buy a samsung watch, you change my mind. so thank you. happy holidays at home🤗

[@marcusmarcula]

Very interesting and informative, if you don't mind I ask how did you generate your plots and P-values, is this in R?

[@qwertyCandy]

Thank you very much, I've been looking forward to this review :)

[@giridhranpalani3139]

Thanks so much for reviewing the Galaxy Watch 6! Enjoyed it as usual. Thanks for keeping us consumers well informed!

[@hermanstokbrood]

3 times the costs of my Huawei GT runner. Perhaps not totally comparable but I'm very glad with my GT Runner after a few months of use. Het was leuk geweest om je ook een keertje Nederlands te horen praten, al verraadde je accent al heel snel toen ik me abonneerde op je kanaal, dat je een Nederlander bent. 😉

[@user-mq4rt4mz4v]

Great review! Do you know if it is possible to connect between G6 to Polar H10?

[@Zwettekop]

I'm a runner so I care mostly about GPS performance. Any chance we'll see another video on that? Maybe heart rate monitoring while running?

[@vladdascalescu]

The dude behind Allstarspace YT channel said that the Watch 6 GPS is better than the one on Watch 4 and 5. More reliable and gets a faster fix to satellites.

[@jaxlittle4152]

Yes! The video is here already! Thanks so much

[@andreasborkes695]

Thank you for your hard work and the blazing fast review

[@gamesandstuff7724]

Great video. Could you also compare the body composition feature to a medical device?

[@FRA43710]

@The Quantified Scientist I have one question, when comparing heart rate counts, have you considered the fact that you use different hands and thus different sizes and shapes of blood vessels based on which the heart rate is extrapolated. To be more pragmatic you would have to test them on the same hand, or at least test that the assumption that you are making is valid.

[@oczyszerokootwarte8400]

Hi Rob! I have a few comments. 1. Small muscles like biceps don't really matter if you want to measure your heart rate. Because they generally do not cause too much difference, they are not too burdensome for the body. Much better would be, for example, squats. 2. Regarding the differences between these watches. This may be due to their construction. I'm just wondering if this difference may not also be due to the difference between the two hands. You could check this by swapping the watches around, or using two of the same on both wrists. 3. I'm also wondering if overall results wouldn't be better if you wore these watches from the bottom of your wrist, if you know what I mean. anyway good job! Greetings from Poland.

[@peachdre]

Thank you for the review! One question: do you plan to review the body composition part of the Galaxy watch as well? If so, what will be the standard you’ll compare it against?

[@vijaysharma6677]

excellent review doc. I just wish that youtube can be become as wholesome like all of your videos. relevant, to the point and without any prejudice and melevolance. you are a true scientist and research scholar. kudos to you once again . keep up the good work sir. 🙏

[@LandoDaCommando]

Just bought a Polar H10 because of your videos. I used your link, hopefully you get some kickback from the sale. Every penny counts.

[@alejandroalvarezbenitez7037]

Hi, great video! have you think about doing a comparison or correlation because size and weight of watches to check if there's relation yo results? That might be interesting!

[@TheQuantifiedScientist]

Thanks! Especially if there is the same sensor in different watches, that would be very interesting

[@milotxh]

Thanks for taking your time and collecting all this important data. Awesome video

[@francescofiore4294]

ciao, thank you for your videos. What about Huawei Watch 4? Do you think we will see its scentific review?

[@lahiruudadeniya1512]

great review as always. can you please review the huawei watch 4 and 4 pro

[@TheSambev]

Any plans to do an update video update on whoop 4.0 after a year or so of firmware updates?

[@krauzo]

great review, as always! I wonder how it compares with Huawei Watch 4 or 4 Pro

[@alessandrov.7569]

Really good and waited review / first impression. So for an Android smartphone which smartwatch to buy for a decent sleep tracking? Or maybe is better using a Fitbit charge 5 or Oura ring?!

[@pauljones9150]

You should make the graphs and conclusions of each watch into a short. I think people would love to see the results quickly and the nerds would love these longer in depth videos

[@aaazzz5906]

Hi Rob, recently i came to know that i had 3 blockages in my heart. I did angioplasty and they put 3 stents. Now I'm interested in a wearable that can keep track of my heart performance during the day and while asleep. I'm between the apple watch ultra or the oura ring. Which one would you recommend as per your experience that can give me the most information about my heart from the above mentioned 2 or do u recommend something else?

[@marioqwertz9639]

Ordered yesterday, will sell it tomorrow 😏

[@ebloulou4203]

Thanks for the wonderful review

[@dnserror89]

Bedankt voor de uitgebreide review!

[@hakimustafa]

Still waiting for Huawei Watch 4/4 pro review

[@khunkhamkaung6123]

Love the effort and the video ❤

[@anastasialebedeva2873]

Thanks for the review! You are the best! Are looking forward to huawei watch 4 pro!!!!

[@glitforce]

Can you please do a review of Huawei watch 4 pro? And if you can add oxygen saturation to your tests as well (I realize you might not want to make your videos longer, so just briefly mentioning oxygen tests results would be great) that would be very much appreciated.

[@menifo4334]

I just couldn't resist commenting on the new hair style. Looks so fresh on you!

[@ygln1997]

you do a great job Rob. Please a review of the casio DW-H5600, Garmin instinct 2x ?

[@jandor2009]

Thank you! Please run a diagnostic for HUAWEI WATCH 4 Series.

[@Marcus2389]

Hello Rob, great review as always! As I am in the middle of deciding which smartwatch to get next, it would really be helpful to see a Huawei Watch 4 Pro from you, as it would be a direct competitor to these two Smartwatches. Do you think you will bring it in the near future? Thanks again for the amazing work, keep it up! :)

[@Nitro2K11]

Thanks for the review, always appreciate how detailed they are. It would be good to include running for heart rate tracking, although expect it to be similar to the outdoor cycling. Also, I know you typically include GPS performance and I think many would be interested to know if you tested this and what was the outcome.

[@TheQuantifiedScientist]

Hi! Thanks for the suggestions, I will see what I can do ;-)

[@sempurnasaribin1547]

very happy look this chanel so presistent and consistent growing up with good vibes..

[@daymom2903]

I bought a GW6 Classic last week. Have been on 2 x runs and the GPS whilst using Strava is pinpoint accurate.

[@legitqs4098]

Nice, been waiting for this review to decide if upgrading from 4 to 6 is worth it. A comparison would also be nice!

[@TheQuantifiedScientist]

Yes, I might do that in some weeks 😊

[@TheShotenZenjin]

I think what needs testing is the sleep tracking oxymeter function on the galaxy watches because false low readings (and I think these have been reported) could lead to unnecessary visits to a doctor to carry out various tests (such as sleep apnea etc)

[@woutervanheusden]

Can you elaborate on the time axis you use when comparing the data? Are those times clock time instead of exercise time?

[@NazRevs]

Nice review! Please do review for Huawei Watch 4 Pro. Thanks

[@StanicEnemy]

You are an absolute legend! Thanks for the amazing video.

[@jkwon85]

I am very interested to see what the performance is like after a few updates in firmware,I just got my 6 classic 47mm LTE coming from a 4classic 46mm bluetooth...not really doing any intense tracking with it but more of a good to know tracking.Thanks for your time and great explanations!!

[@sagebirchwood9948]

You came from a Galaxy Watch 4, you know how this works lol. It's going to be half assed as hell like they did with the blood pressure update.

[@jkwon85]

@@sagebirchwood9948 true, your country has the blood pressure cleared?Nice! Here in the US, blood pressure is not cleared by the FCC so doesn't even have a tile on my watch they would probably give Apple full clearance considering Apple is a US company before they give it to Samsung, only way you can do it is to load it on but it takes a couple hacks to put it on...

[@jlwch]

Nice video. Can't wait your test about Huawei watch 4. That's the one I want to choose comparing with Watch 6 classic.

[@XArthieX]

Do the normal and the classic have different arm bands? Might contribute to the discrepancies

[@HenPapirman]

I've been waiting for this review, so thank you. I've been wanting to get a galaxy watch for two years now but it's its accuracy that stops me from doing so. Heart (as in regular heart track, if it finds problems) and sleep track is what I seek and I wonder if this can be improved with software upgrade. I'm really into getting the Classic 6. Is there a chance you can let us know how it does in a regular heart situation, when you just wear it without any sports activity? I wonder why Samsung doesn't do anything to improve its sensors to be as good, if not better than the Apple watches. Anyway, there are rumors of a Galaxy 6 pro, and I have 'till November to get the Classic, if I do get it. So yet again, I'll have to wait and see and hopefully you will make another review by then. Cheers.

[@sebastian05000]

The watch pro is going to be launched next year not this year

[@TischTosh]

It takes at least a week but really more like 3-4 weeks of use with exercise for HR to be accurate.

[@seanlinehan1136]

Unfortunately software isn't the saving grace. This is the 6th generation and it's been lagging behind for years. But it's more a case similar to Fitbit where it's good, but it just falls short to apple aggressively improving their fitness and hr and sleep tracking. Apple simply cared more about investing in the fitness features and they had the funds to do it. Even Desfit and Dc Rainmaker acknowledge apple is the gold standard of HR watches. Essentially get a Samsung if you want slightly better battery or have a Samsung, otherwise I'd get an apple with iPhone and pixel watch or Garmin for Android (depending on activity). Samsung isn't going to fix this in hardware. They've had YEARS to do it. They're content to just be mid in fitness

[@sebastian05000]

@@seanlinehan1136 Software and better algo can improve a lot so your point about not being the saving grace is wrong at best since the hardware can be capable but is limited by the software side.

[@HenPapirman]

@seanlinehan1136 I'm all in with Samsung phones and would like to get the watch. The only tracking I'm concerned about is the HR and sleep tracking. (Walking count as well) but with the HR - as in the regular standard non exercise HR, I wonder how it does with that. I know 2 stories where Apple watches saved people's lives.. I guess I'll wait for next year.

[@AR-zp1fx]

Amazing informative video as always 🌷❤️; but we want a review of huawei watch 4 and 4 Pro?! Also , i would like to say that i watch yout videos before buying any futness tracker for me or my family , so keep on the great work 👍🏼👍🏼💪🏼💪🏼

[@ibby81ae]

Samsung Galaxy 6 classic is a big let down.

[@eyebike]

I feel sad, and about to cancel my pre order

[@Soumilbharatendu]

Awesome review!, would be also really great if you could also somehow analyze the calories burnt during different workouts

[@eyadabusharar2457]

Great review 😉

[@Mr0utsid3r]

Hi Rob, tks for another amazing job! if u dont mind, i have a sugestion: many peoplo talk, in GW sub on reddit about the next update(for GW4 and GW5 receive the same software of GW6), they think its about to release this month, so, maybe worth make a compare between gw4, gw5 and gw6 after that ;)

[@HanifYahaya]

Thank you, Rob, for this exceptional review and your dedicated effort. Millions of us have benefited from your video. I'm curious to know when you plan to release the review on the Huawei Watch 4?

[@TheQuantifiedScientist]

Hi! It is still on my to-do list

[@Mau365PP]

​@@TheQuantifiedScientistPlease test the Huawei Watch D!!! It measures blood pressure 🙏🙏🙏 I only buy if you review 🤓

[@jiddu9221]

Can you please take a look at the sports tracker watches from Casio (e.g. Casio G-Shock G-Squad DW-H5600 or GBD-H2000)

[@kek107]

Any chance of a ringconn review? Thanks for your hard work!

[@kevinsluder9145]

Could you do a video on what smartwatch has the best fall detection and sos?

[@user-fj1ul7bq6t]

Can you consider to do the testing on Huawei D watch on the health measurement accuracy?

[@TheQuantifiedScientist]

🔴 Galaxy Watch 6*: geni.us/GalaxyWatch6 🔴 Galaxy Watch 6 Classic*: geni.us/GalaxyWatch6Classic 🔴 General Amazon link*: geni.us/thequantifiedscientist 🟢 Instagram: instagram.com/quantified_scientist/ 🟠 Shorts: studio.kzbin.info/door/cpARGzXNaC62UQWns2dh2Q 🔵 Newsletter: www.robterhorst.com 🟡 Twitter: @QuantifiedRob * Affiliate (paid) links support the channel by earning me a commission on any sale, and it doesn't cost you any more! My opinions are completely my own, and this content is not sponsored. ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ 👇 $30 off any new WHOOP membership, affiliate* (paid) link, supports the channel!👇 join.whoop.com/QuantifiedScientist ($30 off any new WHOOP membership) ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ 👇Amazon Affiliate* (paid) links. Supports the channel, doesn't cost you any more!👇 ▬▬▬▬▬▬▬▬▬▬BEST WATCHES▬▬▬▬▬▬▬▬▬▬ 🔴 Oura Link: I recommend you search for a discount on reddit with the "Refer-A-Friend" program! If you can’t find one: ouraring.sjv.io/rQ4L33 (affiliate link that supports the channel, but doesn't have a discount) 🔴 Whoop Strap 4.0: join.whoop.com/QuantifiedScientist ($30 off any new WHOOP membership) 🔴 Eight sleep 200$/150$ discount*: eight-sleep.ioym.net/TheQuantifiedScientist + add code “TQS” for 200$/150$ total discount

[@privxete4089]

Goedemiddag, can you retest GW5, when they got the new update WearOS4?

[@sense083]

I'll start with saying how much I appreciate your videos. They've opened my eyes to the effectiveness of these smart watches for me to make a better consumer decision. Having said that is there anyway you can begin to incorporate running into your routine? I'm not sure how similar readings are from riding bike to running and a lot of us are runners. Thanks again!

[@Mau365PP]

Please test the Huawei Watch D!!! It measures blood pressure 😍

[@nicolatecce6222]

Did you activate temperature, pO2 and snoring sensors during sleep?

[@H0A0B123]

Where can I have a look at all of your comparison graphs?

[@jonathansantiago9925]

Do you know if it is possible to connect the h10 to the galaxy watch to use it to measure the heart rate and make it more accurate?

[@brunoyudi9555]

Amazing video as always

[@sammyt3514]

Brilliant video as usual, thanks. One question, though; why are both the Apple Watch 8 and Ultra featured twice with different scores in the sleep stage agreement diagram? Were they tested twice before/after software updates or something? Just curious.

[@mikele7982]

Yeah, they got tested against both real medical devices and home consumer one

[@sammyt3514]

@@mikele7982 I see; thanks for the clarification.

[@000samsung]

I have been waiting for your review. Thank you so much for saving few $$ Keep up the good work.

[@augustoims6343]

Are looking forward to TicWatch Pro 5 😀, Thanks for the Review

[@ghalebkrame6802]

Once again, Samsung let us down. Just bought the classic 6, instead of my Garmin Venu 2 plus, hoping to be the best android alternative to Apple watch. Huawei seems the best alternative but without Google's app store, it's a no go. Is it really that difficult for a multi billion company to get things right? As usual, this is the only channel I trust as it is unbiased and thoroughly objective. Congrats Rob, another great review.

[@fitnesscat761]

Galaxy watch 6 classic shows results more worse as it's a little bit heavy, so it sometimes move on your wrist while you are doing workout

[@mihaibogdanlivadariu8730]

Hi Rob!Can you do an review of Huawei watch 4/pro?Regards!

[@captaindcc]

Any chance you could retest the pixel Watch with it’s updates and bug fixes just before they reveal the pixel Watch 2? Love the videos keep it up

[@DarshanShah10]

Can you please make a video on how you actually bring in all of this data from the watch to analyze and plot it?

[@mikayel18ify]

THANKS !!!

[@outlawcat5983]

Hello, I'm Gundogan. I really like your detailed review of smart watches. I wonder if you can review the redmi watch 3? :)

[@alexking6235]

Is samsung upgraded those sensors inside the watch comparing to the last generation?