Roborock S8 Pro Ultra Review - 9 Objective & Data-Driven Tests

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We test the new Roborock S8 Pro Ultra vs. our battery of objective & data-driven tests. This is argaubly the most advanced robot vacuum ever built and is very likely to be the best robot of 2023. See why.
Buy Roborock S8 Pro Ultra - geni.us/tyjQ2 (Amazon)
0:00 Overview
0:35 Sponsor
0:57 Performance Tests
1:09 Cleaning Tests
2:06 Mopping Tests
2:59 Long Hair Tests
3:53 Pet Hair Tests
4:26 Obstacle Avoidance Tests
5:29 Navigation Tests
5:59 Cleaning Speed Tests
6:19 Usability Tests
8:02 Noise Tests
8:53 Model Comparison
9:22 Summary
#Roborock #RobotVacuum #SmartHome
The Roborock S8 Pro Ultra is a robot vacuum that had excellent performance across our tests. It removed 97.9% of all debris by weight and cleaned up a healthy amount of dirt while mopping. It did have some hair tangles, but thanks to removable pieces the hair is easy to clean. The robot failed to avoid every object while cleaning, but on a broader scale, it navigates well. Additionally, usability is exceptional having most of the daily maintenance taken care of by the Auto Wash Fill dock.
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Опубликовано:

24 июл 2024

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Комментарии : 119

@ModernCastle Год назад

Buy Roborock S8 Pro Ultra - geni.us/tyjQ2 (Amazon) Questions? Ask away! I do my best to answer all questions within 24 hours.

@Noname-cn4ly Год назад

Please test the BERKEY water filter……..is it as good as they claim their third party testers say it is?

@ModernCastle Год назад

@@Noname-cn4ly It's on our list...hoping to get one later this year for testing.

@mehr0x Год назад

Thank you for your content! Can we put detergent in the water for the mop function?

@ModernCastle Год назад

@@mehr0x Yes, but it should be Roborock's detergent to ensure there are no issues. See here - us.roborock.com/products/roborock-floor-cleaning-solution-for-all-robot-mops

@dangngockhanh1458 Год назад

Could you please test obstacle avoidance function and compare with those in S7 max V? Thanks a lot.

@ModernCastle Год назад

Definitely. This video is based on our initial round testing. Last week we started what is going to be a 100 day test where we look more closely at long term performance for obstacle avoidance, navigation, cleaning, maintience, etc. We'll have that launching as soon as we can complete the testing.

@arevee9429 Год назад

Roborocks have been the best navigating vacuums I've used. Camera-only navigation just doesn't do it. Tesla ought to have figured that out by now. I also have an Ecovac Omni S8 with the fancy dock and it gets stuck more often. The other day, it just kept ramming into a wall. No matter how many times I moved it and started it cleaning again, it went right back to the wall and continued ramming. And it loves to re-arrange lightweight furniture. It might be good for robot vacuum demolition derby, but it's not so good at avoiding obstacles and not getting stuck.

@ModernCastle Год назад

100% agree Camera only navigation just is looking quite dated. Cameras + LIDAR feels like the obvious future for robot vacuums. But you also making a good point about the Omni...same basic hardware, but clearly the software layer just isn't as good there. I too wasn't blown away by the navigation on my Omni X1.

@TypicalBlox Год назад

Lidar doesn't make sense on a self driving car, cameras + HD radar can replicate it

@mlee6050 Год назад

@@ModernCastle out of S8 Pro Ultra and Omni X1, what one did you view as best? I was looking at i7 or j7 but now thinking between those

@ModernCastle Год назад

@@mlee6050 S8 Pro Ultra, no question. Omni X1 is up there...probably top 5 overall, maybe top 3, but it's clearly not at the level of the S8, in my view.

@mlee6050 Год назад

@@ModernCastle okay thanks

@zmn07583 Год назад

Wow...i love your review on this S8 Pro Ultra....and i am considering this S8 too. My only concern is the mop function where the S8 uses a damp fixed vibrating microfibre cloth attached at the bottom that gets dragged all over the floor where the dirt is still on the damp cloth like a swiffer. My Q is: how good is the mopping function of the S8 if compared to the mopping function on Narwal T10's circulating microfiber mop pads or the Smartmi Vortexwave's rotating scrubbing brush or even iLife's W450 Shinebot's rotating brush? Which gives the best mopping function? Any idea?

@ModernCastle Год назад

Overall, I am exceedingly pleased with the mopping performance on the S8. I don't feel like I'm missing out on anything. At the end of the day, every mop is dragging around dirt on their pads until the pads are cleaned. Which in the case of the S8, it's cleaning it's mopping pad every 15'ish minutes (at least in the case of my home + settings). I haven't tested the Vortexwave or W450, so I cannot say how they compare. But I do have a Narwal T10 and I unplugged it and stopped using it when the S8 Pro arrived. I haven't missed it at all...don't get me wrong, the T10 is fantastic, arguably a better mop, but it's so weak in so many other areas that what little mopping performance I give up in I gain tremendously more in terms of usability, navigation, and overall experience.

@bobotmeister Год назад

It would be nice if they have a trade-in program... 😅 Still with the s7 pro. Pretty hardy.

@jordainfg Год назад

Hi, the purchase link doesn’t work. Do you know when it’s planned to be available for purchase?

@ModernCastle Год назад

I believe it's launching in May 2023

@DrMerkwuerdigliebe89 Год назад

How would you compare the vacuuming performance compared to the L10s, particularly hair? Your test indicates higher numbers for the L10s, which I find hard to believe with the double brush on the S8.

@ModernCastle Год назад

We need to re-test the L10s at some point, as it was done with our old hair tests. You can read the full long hair and pet hair test analysis here - moderncastle.com/dreamebot-l10s-ultra-review/#long

@ciecko Год назад

The S7 max is on sale at moment and includes the drying module, would you recommend holding off and waiting for the s8?

@ModernCastle Год назад

I'd probably wait for the S8, as it should be launching within the next couple of months.

@bretthaberle7229 Год назад

Looking for more comparisons against the s7 maxv ultra. I saw cleaning performance was identical in your test. Additionally how loud is the dryer? Also wondering if the mop module can be removed still? In the s7 it wouldn’t raise enough and would still hit the carpet.

@ModernCastle Год назад

Dryer isn't loud at all. It's sitting in my living room and I haven't noticed it a single time thus far. You cannot remove the mop module. It's like the S7 in that it's built in. Perhaps we'll do a S7 vs. S8 video soon.

@geoffzephyrus9849 Год назад

@@ModernCastle i would love to see a comparison

@ModernCastle Год назад

@@geoffzephyrus9849 We'll definitely have that later this year once we can complete our long term tests of the S8.

@whenmoonsir Год назад

Thx for the review. Which obstacle avoidance is better? S7 max v or s8?

@nathangebben5738 Год назад

I have a S7 Maxx V ultra. Ive never had mine get caught on a cord. But it has grabbed waistband string from sweatpants touching the floor in my closet. Ive just learned to hang any pants with strings on the higer rack and havent had any problems since. Theres also an option in the settings for "Less Touch" which will use the lidar vs the bumpers to detect an object, Which is my guess to why it touched the cup

@ModernCastle Год назад

They should be about the same (same essential hardware, same software), but at least comparing my experience with the S8 thus far (a month or so) vs. my experience with the S7 MaxV over the last year I'd say the S7 MaxV is the better performer.

@whenmoonsir Год назад

@@nathangebben5738 thx Nathan for your response! Waiting for a good offer for the S7 Maxx V ultra. S8 didn't convince me to pay some extra $ for almost no benefits.

@whenmoonsir Год назад

@@ModernCastle thx alot. I was expecting the s8 doing way better but with your feedback I'm definitely going with the S7 Maxx V. With 2 little kids, toys on the floor are def. our enemy no. 1 ;-)

@ModernCastle Год назад

@@whenmoonsir My pleasure

@Dagot1948 Год назад

Thanks for the great review. Can the mop pad itself be removed so you can throw it in the washer? If it's not removeable, what do you do when it wears out? Do you purchase a new mop head and replace it yourself?

@ModernCastle Год назад

Yes, it can be removed and machine washed.

@Dagot1948 Год назад

@@ModernCastle Thanks very much!

@ModernCastle Год назад

@@Dagot1948 You're welcome!

@ykang568 Год назад

Does the s8 pro ultra maintain that noise level when drying the mop? How long does the auto drying function run for?

@ModernCastle Год назад

No, it's very quiet when it's just drying. Unfortunately, we did not measure the auto drying timing.

@radul476 Год назад

I'm afraid about the pet hair, as I have a large breed dog that sheds alot. If the pet hair gets tangled in the axles, I don't think it can be sucked out by the charging station, so then I have to check after every cleaning cycle if the axles are hair-free. If I will do that, I fail to see how this new sophisticated home station automates the process of cleaning and refilling, as I still have to check it regularly. The size of the pet hair is about 8-10 cm. What do you think?

@ModernCastle Год назад

Huge volumes / large pet hair is going to be difficult for basically any robot on the market. You are right to be skeptical about that. As it is likely going to be an issue.

@darreny2433 Год назад

Noise level test in your review is an important item, unfortunately many reviewers did not include. High pitch noise of robovac can spread to other room and even apartments but it would be good to measure on hard floor too because carpet will mute the sound since sound include vent and roller brush etc.

@ModernCastle Год назад

Indeed - we always make a point of including a real world noise test and a dB reading

@funcake22 Год назад

As for pet hair issues, what is the best Robotvacuum you guys have used for this?

@ModernCastle Год назад

Robrock S8 is way up there, as is Roborock S7, Roomba S9+, Roomba i7+, and Roomba j7+

@somebodyoncetoldme1704 Год назад

How does this mopping action compare to the spinning brushes moppers like the dreame W10?

@ModernCastle Год назад

I haven't tested the W10, but I have tested the L10S, Narwal, Narwal Freo, and others with the spinning moppers. The spinning action in most cases is slightly better, though it's not a massive difference. In any case, the usability and maintience of these different bots have ended up being far more significant factors than a slight performance difference between the mopping types, based on my experiences.

@cartermw Год назад

I have two large breed dogs that shed a lot. My current robot vacuum leaves clumps and gets clogged in the vacuum a lot. I believe your video shows that this would not be a problem with the robot vacuum part of the s8 ultra. But what about the dock itself? Do you have to clean/maintain the rock dock? It would be helpful if you did a video showing how to clean the dock only. I did not see any how to videos of this nature. Thanks

@ModernCastle Год назад

Thanks for the suggestion. I'll see if we can create a standalone video where we show more specifically how to clean / maintain the dock. There is indeed quite a lot to it.

@cartermw Год назад

@@ModernCastle when doing a video on maintaining/cleaning the dock it’s self can you please say very clearly one of these scenarios: “ if you have multiple pets, and have had issues with dog clumps/clogs with your old robot vacuum the maintenance/unclogging on the dock may be problematic for you” or “see the manual unclogging of pet hair was extremely simple and required very few if any special tools”. I hope those two scenarios make sense, and of course it does not have to be spoken verbatim.

@ModernCastle Год назад

@@cartermw Thanks! I'll make a point to cover those topics.

@mrpcakes Год назад

thoughts on the non removable mop and water tank ? big deal or no ?

@ModernCastle Год назад

Feels like not a big deal. In the entire time I've used the S7 MaxV Ultra I have never once had the thought to remove the water tank.

@radul476 Год назад

Do you think a mixture of vinegar and water on a ratio of 1:4, to be used in the clean water tank is a good idea or do you think it can damage it's components?

@ModernCastle Год назад

I expect Roborock wouldn't recommend it and I would guess that over time it could damage the seals. I had another robot with a similar design that I used a vinegar mixture in and it did not go well. Overtime, it began to leak.

@radul476 Год назад

@@ModernCastle I see. Well I guess I will just use distled water until they come up with some special solution. Ty!

@ModernCastle Год назад

@@radul476 My pleasure

@orioncepheus8778 Год назад

vinegar is an accid and will damage seals over time

@eightofhearts Год назад

Can you please review the Clearly water pitcher. Is it better than the waterdrop chubby?

@ModernCastle Год назад

We recently tested Clearly Filtered. Performance was quite concerning. In the first lab test the Clearly Filtered showed that it ADDED cobalt to the water. We assumed it must be an error. So we got a brand new Clearly Filtered pitcher and filter, re-tested, and sent back to the lab for analysis, only to have the exact same result...Cobalt was added to the water.

@dgollas Год назад

Seems to me like the cup and coord avoidance were successful. The only point of avoidance is to not get tangled, not completely miss it (with the exception of 💩)

@ModernCastle Год назад

Indeed - maybe instead of "no" I should have scored them with a "partial". In any case, we've seen others, including the earlier S7 MaxV fully avoid those issues. So seeing even a slight bump was a difference.

@xamomax Год назад

They seem to clean well now, but obstacle avoidance seems to still lack for cables, shoe laces, floor to ceiling windows and mirrors, navigating around barstools, and not getting stuck in all sorts of random places. I wish more RU-vid reviews would really hammer on these, as this is where the robots are still frustrating.

@ModernCastle Год назад

I'll be sure we cover all of these issues in our 100 day test video (coming up in a few months). I've got all of these obstacles in my home, so we should have some good info on them.

@tpfrk8977 Год назад

I agree.. I have the S7 max V and I would concur. You still have to babysit these things, especially when it comes to avoiding cords

@pepposano4200 Год назад

Interesting… I have a roomba i bought new 2 years ago. I’m moving and I want a new robot. I saw dyson releasing theirs soon, but it didn’f seem to perform well. I thought roborock was a random brand, but it seems well and it’s $1,600 I believe. I’m between this or the roomba combo j7+. The roborock seems to be superior :))))

@ModernCastle Год назад

Indeed - Roborock is a relatively young brand, just launching in 2014. But today the S8 Pro Ultra is arguably the best robot vacuum on the market. Dyson's new robot launches later this year...but does so without obstacle detection, without a self empty dust bin, without mopping functionality, and (from what I can tell) without LIDAR. I expect the vacuum itself will be powerful, but a robot vacuum is more than just a strong vacuum. I wouldn't hold my breathe for Dyson.

@mrdurma9859 Год назад

I noticed that it has only 1 year warranty, does that mean that something will go wrong after lets say 2 years? Does anyone have experience with those robots over long time?

@ModernCastle Год назад

1 year warranty is pretty standard across the entire industry

@fahmidaafrose2525 Год назад

Hi, how is mopping for strong strain

@ModernCastle Год назад

We didn't test vs. any strong stains and I haven't had a chance to see how it is for long term use yet (just started long term tests lasts week). But if it's anything like the S7 MaxV mop, which I would say there is a 95% chance there is, it'll be reasonably good at stronger stains, though not a miracler worker. It's far better as a maintenance / every day cleaning type mop than something that's going to scrub your floors back to mint condition.

@andrewwaters3038 Год назад

If S8 water tank is not removable, do you have to let it run through cycle on dock before picking it up and taking to different level of the house? That would be a hassle for sure!

@ModernCastle Год назад

No, you don't. Why would you? I move the S8 all the time without issues and restart it elsewhere.

@pawankulkarni9910 Год назад

Hi, does the S8 connect to 5ghz wifi band? or only 2.4 ghz like its predecessors?

@ModernCastle Год назад

Only 2.4

@pawankulkarni9910 Год назад

thanks a lot! thats a let down for me. My internet provider says splitting wifi bands into 2.4 and 5 ghz reduces coverage. So was hoping they will support 5Ghz in this new version. Other brands already support it.

@ModernCastle Год назад

@@pawankulkarni9910 Hrm...that's interesting. That's not my understanding of how dual band coverage works, however, depending the type of wifi / access point that your ISP provides (assuming they provide it), that may be true. A higher end access point would solve that issue. In my experience, it is extremely rarely for smart home devices to support the 5 ghz band. There are only a handful of devices I've seen support it.

@pawankulkarni9910 Год назад

@@ModernCastle thanks! I was not aware of this. Not sure if I can explain that to my network provider though 🙂

@ModernCastle Год назад

@@pawankulkarni9910 Will your ISP allow you to get your own router / wifi access point? That would probably be easiest.

@GazalV Год назад

What would you say is your personal favourite robot vacuum so far that vacuums and mops? Thanks :)

@ModernCastle Год назад

Roborock S7 MaxV Though their is a very strong likelihood and the Roborock S8 Pro Ultra will be my new favorite by the time we finish our long term tests.

@GazalV Год назад

@@ModernCastle Nice! Thanks for the reply. When will testing be completed? Also do both of these models sense objects like shoes/loose wires etc.?

@GazalV Год назад

@@ModernCastle Sorry just one last thing! Do you have a favourite within lower budget options?

@ModernCastle Год назад

@@GazalV 2.5'ish months We're just a few weeks into a 100 day test

@ModernCastle Год назад

@@GazalV Roborock's S5 / S6 remain good robots. If you don't need the mopping then iRobot's e5 / i7 / i3 are all excellent choices.

@mikeyfl Год назад

Is it true s7 maxV ultra overall score is the same as the new s8 pro ultra? ..Making it a very minimal upgrade?

@ModernCastle Год назад

Correct, vacuuming and mopping performance is very similar. Navigation also very similar. The S8 Pro Ultra adds the drying feature to the mop pad. That's the biggest upgrade over the S7 MaxV.

@mikeyfl Год назад

@Modern Castle -- Great review! Thank you for the reply. Good point, the drying module is an extra add-on for the s7 maxV.

@ModernCastle Год назад

@@mikeyfl My pleasure!

@vikino83 Год назад

@@ModernCastle i have bought drying module for s7 maxv u and it works absolutely perfect, so seems there is no reason to upgrade :)

@ModernCastle Год назад

@@vikino83 Yep, that makes perfect sense. No real reason to upgrade if you already have S7 MaxV.

@fahmidaafrose2525 Год назад

Is it auto drainage system Like Dish washer

@ModernCastle Год назад

I'm not really sure how a dish washer's drain works...so I cannot say. Basically after it cleans it returns to the station, washes the pad, and sucks that dirty water out of the base station bottom and into the dirty water tank. Then it rewets the pads with clean water so the machine can continue cleaning.

@attomicchicken Год назад

No. This won't hook up to the drain. Maybe if you're a madman and modify it in some way 😂

@mrpcakes Год назад

when can i buy it ?

@ModernCastle Год назад

It'll be available here - geni.us/tyjQ2 (Amazon) - by the middle of May 2023

@TechMailbox Год назад

Edit: Roborock s8 Pro Ultra does not have a RGB camera, only structured light

@ModernCastle Год назад

Sorry about that mistake! Thanks for calling it out, Marc.

@Hobo_X Год назад

These things need to be coming down in price with each generation, but instead it seems like they just keep increasing them and never having step-down models that slowly introduce the last year's features. Nobody can afford this shit.

@ModernCastle Год назад

The latest and greatest is always going to be crazy expensive, especially a model like this, that's adding new features. But with each new generation the older generations are getting less expensive, while still being amazingly high performers (especially compared to just a few years back). I think of it sort of like the new generation of cell phones. They add more features every year, but the model from 2-4 years back is still amazingly good and not quite as expensive.

@attomicchicken Год назад

Agreed. These types are at least 5 years out of being somewhat affordable.

@ncruze07 Год назад

Disappointing to see a lot of requested features were left out of this model. For example the app to: show water level estimate in app, ability to drag and drop to reorder routines, ability to copy routines & schedules, ability to save zones like we do with rooms, ability to delete rooms, increase mop lift clearance, etc.

@ModernCastle Год назад

Those indeed would all be excellent additions. I haven't seen those types of features on any robot.

@nissen4700 Год назад

I wait until they make a version that dos not require a vacuum bag in the dock , unless they already did this , and you just don’t tell us about it?

@ModernCastle Год назад

They don't have any version that doesn't require a bag. I believe Shark is the only self empty dust bin I've seen that doesn't utilize a bag.

@nissen4700 Год назад

@@ModernCastle thank you for letting me know 😘

@ModernCastle Год назад

@@nissen4700 You're welcome

@Boodieman72 Год назад

It's really not a mop. At the moment only the ILIFE Shinebot series is a real mop. They are more like wiping than mopping.

@ModernCastle Год назад

For not being a "real" mop it still pulls a ton of dirt into that dirty water tank. I haven't tested the Shinebot, so I cannot say how it compares. But I can say for sure this is an amazingly good mop. When I'm not testing new robots the S7 MaxV Ultra was the robot vac / mop I am using in my personal home and office.

@Boodieman72 Год назад

@@ModernCastle I'd like to see you do a review of the Shinebot, it's a mopping only unit. They work in the same was the old iRobot Scooba did. Put down clean solution then scrub then vacuum up.

@radul476 Год назад

The mop pad is improved from the previous S7 generation. The pad has 2 vibration points and also makes a downward force which improves it's moping functionality. Also it has a default setting in the app, that let's the robot vacuum first the entire house, and then begin moping the entire house (you can also set how much moping you want, for example it can pass several times on the same location). While moping only, the 2 vacuum brushes are raised to not leave marks on the floor. This is from what I read about the product, so it sounds like a very good mop actually. And I think @Modern Castle forgot to mention is that the new S8 model Pro Ultra has auto drying feature which will dry the mop, preventing bacteria growth.

@ModernCastle Год назад

@@Boodieman72 I'll see if I can get one for testing

@wischmopps293 Год назад

Wow putting a fat owner cable instead of a charging cable on the floor. And it didn't suck it up? No way... No Test how close the mop goes to the wall - a bad test in general

@ModernCastle Год назад

Cord / cable is a cord / cable. S8 absolutely should have avoided it, as the S7 had zero issues with these cables.

@tannerfamily4152 Год назад

All that work and not even a comparison to last years model. Such a waste. Cannot wait until @vacuumwars does it properly

@ModernCastle Год назад

I mean...it's a review, not a comparison. We're going to do a complete side by side comparison to the S7 MaxV Ultra and other models in the coming months. No need to get rude about it.