iRobot Roomba s9 vs Roomba i7 - Whole Home Cleaning Test

The iRobot Roomba i7 and Roomba s9 both offer something no other robot vacuum can: the ability to clean themselves after cleaning your home. But does this feature actually create a cleaner home?
Many comparisons can be drawn from lab tests or feature comparisons between robot vacuums, but how about a robot vacuum's ability to clean the entire house? Our latest real-world test involves most rooms of the house, including a comparison of how long it took to clean the entire house, as well as the results of the pick-up from both vacuums.
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[@jameschristensen1658]

so often do i have dozens of beans on my bedroom floor

[@denl0213]

Thanks for the review, looking at how much was left over, I don't think this would be accepted as "having vacuumed the house". I understand unreachable places cannot be cleaned. But leaving hair in the middle of the room and moving dirt around the house is unacceptable for such expensive robots.(in my opinion)

[@rma_trackdays]

I purchased both the i7+ & S9+ to see which one was better for my application. I have a 2000sqft apartment with half marble floor and the bedrooms in light pile carpet. The i7 works perfectly on all surfaces and cleans fantastically. The S9 gets constantly stuck on the carpet and ends up almost trying to burn through it, when it finally realises it's beached so goes full power in reverse and digs the wheels in, to no avail apart from damaging the carpet. The side brush gets itself all knotted up and renders itself pretty much useless after the training run. The i7 is a beast, the S9 is a product which is not fit for purpose in real world application, total waste of time and money in my eyes. Get the i7, you won't be disappointed.

[@skyelark155]

How does the i7 clean corners please im interested in your input and appreciate the help

[@Lee-fw9mr]

Thanks for the info. We're deciding which one to get and many people said the S9 has issues like you described. Is there a difference in the noise they make? Is one distinctly quieter than the other?

[@danfinnigan2489]

Great real world tests!

[@RobotMasters]

Very cool test, I love the long hallway and fancy chair legs. Unfortunately the Roombas don’t recognize the shape of the hallway and adjust its cleaning pattern to vacuum lengthwise like the Roborock S6. I will agree that the Roomba S9 has a better side brush performance despite being really small but spins slower than the I7’s. Good Job Again!!!

[@edchang1824]

Robot Masters Gghggggggccccccdge

[@21ClassmatesPlaylab]

robot masters what do you prefer in or s9

[@RobotMasters]

@@21ClassmatesPlaylab I found the i7 series to be the best balance between features and performance. Also the i3 a good option too especially when iRobot recently added selective room cleaning. The S9 in my opinion a little too expensive for the features you get.

[@jongroubert4203]

We've had the i8+ (Costco's version of the i7+, which includes a bigger battery, and the base) for about a month now. As one of the other posters says, the job it does cannot be accepted as "having vacuumed the house". We got it primarily to clean up dog hair on the rug in the living room where we spend most of time. My wife is allergic (that's another story). The Roomba just doesn't really do the job. Unless you clean it after EVERY SINGLE USE (meaning, taking out the rollers and cleaning the ends of trapped hair), it will simply start converting the hair into yarn and leaving it in clumps. It will go right over these yarn-like clumps and never pick them up. Even cleaning it after EVERY SINGLE USE and it still won't get all the hair. I'm not so sure $650 (cost with tax) is worth it for something that just isn't doing the single job we want it to do, and something that falls woefully short of a human vacuuming.

[@krittimaklangwang7677]

Thanks a Lot

[@BGrader]

Great video!!!

[@bkanegson]

What about if both have the clean base instead of only the i7? Does the s9 vault ahead?

[@360_tours]

You left out the suction of the s9. It more like a standard vacuum. So for carpets its way better.

[@IIIllllIIIIlllll]

That place has to be much more than 400sqft, right?

[@tiffanysparks7540]

How about a "getting stuck test" Does the D-shape have a harder time getting out from under chairs?

[@emamihaelagimpirea6136]

So far so good with this vacuum. kzbin.infoUgkx8ISPQRRAfpAaX4msGjyodObTBnlj4T5g I was a little concerned to find it seems to be all plastic, but the reviews were good, so I'm hoping for the best. Very easy to assemble Recommened, and only attachments I've used so far work well, and are easy to use. Doing a good job on the new carpet in my bedrooms and stairs. Works well on the hardwood on my main floor too. Reasonable weight and cord length. I already knew from an earlier review that it wouldn't fit under furniture, but I can use my Eufy for that, so no problem - the high traffic areas that need a stronger suction was really what I bought this for. If it continues as it's started, it will be a good buy and well worth the money. I have had two Shark Rocket stick vacs in the past that are super easy to use, but the motors just don't last well, even with scrupulous cleaning of the filters. I'm hoping for better with this Bissell.

[@BM-iz8cd]

Just bought an i7. I've seen occasional bits left behind, but otherwise it works pretty well. This video makes both robots look absolutely worthless. If I had seen this prior to purchasing mine, I never would have, but my experience has been satisfactory. I guess they just aren't good for bigger messes.

[@gmagam]

Lol im just thinking of buying and you are right I'm questioning if these are worth it

[@Lee-fw9mr]

That's what I was thinking... like... THIS is what I've been obsessing over for the last 2 weeks? lol. Better not let my husband see this video. I think this can be mitigated if you program the vacuum to do multiple rounds of the same room, and vacuum twice a day, morning and night. It's bound to pick up everything then. If I had dogs, I would def schedule it to run 3x per day. Why not? Doesn't take any extra effort on my part.

[@110ToRay]

@@Lee-fw9mr Honestly I would not stress it at all. Roomba is fantastic at maintaining a clean floor/carpet. I've owned the 980 for about 3 years and I have not had to pull out the central vacuum since, and that's with plenty of carpet. Like you said, if you're worried, just run the vacuum an extra time. I'm so happy with my purchase that I'm looking to upgrade to the S9 and get a robot mop for the kitchen too.

[@NathalieBaughman]

I always find those videos from various channels very odd. Not trying to say anything here but the products they test constantly fail to do their basic job for some reason. I mean, how would they even come out of the design lab into full production if they are so bad? Decided to ignore the videos and bought an i7+. Absolutely fantastic experience. It's my first robot vaccuum so I can't compare to other brands, but it does what is advertised. I live in a heavy urban area and dust is a nightmare here. Everything is covered in it after 2 weeks. The i7 just cleans everything for me, even in the corners where it's not even that good at, but it does what it can. If something is hard to clean just order multiple passes and that does the job. Manual cleaning now only in these small spots and alleys where the bot can't fit in.

[@LokiDaFerret]

Why did you pull your original video replacing it with this?

[@androidheadlines]

We had a lot of questions about performance without the clean base versus with one, so it was decided to just add that information to the original video instead of putting out a second one.

[@wnmwnm6210]

You need to look up the meaning of the word "follicle". The way that you are using it in this video is wrong.

[@Matteusz_]

Is it still worth buying s7? Greetings from Poland

[@arjunshiralkar7489]

Yes, got it last month 2021 and is super good

[@jakedizzle]

I don't think a Roomba is designed to vacuum a mock crack house lol

[@kubectlgetpo]

why not

[@kubectlgetpo]

Neato Botvac has never left a dirty spot in my house and has been working for 5 years

[@ggdfggdfgdffgfddg34]

when camera test googl pixel 3 vs Xperia 1?

[@JasonStJohn-my1cs]

I would like to comment that the clean base does not change the way the vacuum works. The only thing it does is empty the bed. Every time you run the rumba it could do better one time versus the next time it’s just a matter of how little robot went through the house and through obstacles. Once again the clean base has no affect on the room cleaning better or not it just empties the robot it’s it’s only purpose.

[@aroach337]

Clean base does not change the way the robot works and cannot improve performance. A valid test would have the robots completely empty at the start and set to stop cleaning when the bin is full. Why did you not run the s9 with the clean base if you feel that makes a difference?

[@rubinahuss2527]

And charge

[@mattiasmarder]

You should repeat this test with the old iroomba 650. It is much less 'smart' than these never models, but I think it does a better job. It would be interesting to see what your scientific evaluation would yield.

[@Jnglfvr]

Seriously you think that the base makes any difference? How is that even possible? There's far more variation in the quantity and distribution of debris between tests that any conceivable effect the base could possibly have? Waste of time to have done two passes.

[@driessen16]

How the hell is a table spoon of hair a measurement??

[@dachagsgo8176]

Seriously

[@lelecenteno]

Ok so in the end none of them do the job appropriately.

[@stvpls]

why no one talks about the crappy brush on the s9?

[@ExclamationMarx]

You mean the sidebrush? Yeah it's terrible on carpets & just gets mangled

[@gasperpurgaj]

Aj lajk jor roomba s9

[@Ebu26]

I don’t understand, if they’re so bad why are people buying these expensive things? They have trouble picking up things even the worst traditional vacuum cleaners can pick up with ease 🤔

[@vBDKv]

So 1100 bucks and you dont even get the base? lol

[@ExclamationMarx]

It's down to a (Still expensive) $900 right now in the US. Over $1600 in the UK

[@vBDKv]

@@ExclamationMarx I grabbed a Eufy 11s for 200 bucks. It performs great and is ultra quiet.

[@ExclamationMarx]

@@vBDKv I've heard that Eufy makes some of the best robovacs in the

[@vBDKv]

@@ExclamationMarx They also have a smart mapping one now for 350 (G30 or G30 Edge I think they are called). Quite a bit lower compared to irobot.

[@ExclamationMarx]

@@vBDKv Most companies are better value for money than iRobot these days. Seems like iRobot got complacent with their dominance of the market in the last couple years & stopped trying

[@lrobotwit]

in mi opinion s9 is better 🤔

[@americansailor]

I wanna know who’s idea was the wads of hair...

[@harveyngun]

It’s pubes lol

[@whoeverwhoever400]

OK, so the conclusion is... follow your wallet.

[@quangthang10d4]

But they both cleaned about $1000 off your wallet so I think it's a clear win for me not to buy either one : )

[@LokiDaFerret]

Hold on! You claim to do real world cleaning tests. In the real world we do start our Rombas and then go away letting them run unattended. so you can't make excuses for the runtime of the S9 simply because it got stuck.

[@Slick1020]

Well, most owners do a training run and know where the robot might get stuck. Then they add a keep out zone to that area. Having a robot makes you pick things up more so your robot doesn't encounter any problems.

[@androidheadlines]

Right. Most of the time we find that robot vacuums get stuck because something was left on the floor or a cord got in the way. Getting stuck isn't necessarily an indication of poor performance, although there's a consideration to be had if one gets stuck all the time.

[@Slick1020]

@@androidheadlines Lol. I left a sheet on the laundry room floor. My S9+ got stuck of course. I could only blame myself for the stupidity.

[@tanyasobsessions2131]

@@androidheadlines you only did the test once so that's not fair to the robot then.

[@thinkman1234]

From someone with an i7+, an i9+, and 3 - m6 iRobot mops, take it from me, STAY AS FAR AWAY FROM ANYTHING MADE BY THEM AS HUMANLY POSSIBLE! Their performance, to a machine, is a joke. Their tech support is beyond horrific.

[@brianclapp5489]

If they are so horrible, why do you own so many? Just saying.

[@thinkman1234]

@@brianclapp5489 worked well initially, than went further and further to hell with app updates. Today, an m6 spent 3 hours on a small area of the dining room/family room! Customer support is - and this is being kind - abysmal!