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Comparison · 2 models

Comparing 2 robot vacuums

Your shortlist side by side: today’s price, our score and every fact the maker states.

  1. ×
    Xiaomi X20 Max

    On the market since October 2024

    No price today

    not in our ranking Best on 1 fact
  2. ×
    • Highest score
    • Best on the most facts
    MOVA S70 Roller

    On the market since February 2026

    $589MOVA (brand store)

    8.4 Best on 4 facts

Side by side

Green is the best of these 2, also when they share the lead.

Xiaomi X20 Max × Best on 1 fact MOVA S70 Roller × Best on 4 facts
Price and ranking
Lowest price – $589MOVA (brand store)
Score not in our ranking 8.4
Tests TechRadar Vacuum Wars Just A Dad Approved
Rank – rank 3 of 85 with an all-in-one station
Customer rating – –
Mopping
Mop type spinning pads roller mop
Mop lift on carpet higher is better 0.4 in (10 mm) 0.5 in (12 mm) best
Automatic mop detach same on both no (assumed) no (assumed)
Washes the mop same on both yes yes
Hot-air drying same on both yes yes
Station
Station same on both all-in-one station all-in-one station
Dust bag lasts longer is better up to 75 days up to 100 days best
Plumbing hookup same on both no (assumed) no
Brush and obstacles
Anti-tangle brush yes (best) no (assumed)
Obstacle avoidance 3D sensor (structured light) AI camera
Climbs thresholds up to higher is better 0.8 in (20 mm) 0.9 in (22 mm) best
Climbing system for high thresholds same on both no no (assumed)
Size, noise and age
Robot height lower is better 3.8 in (9.7 cm) 3.5 in (9 cm) best
Noise not judged – 73 dB
On the market since October 2024 February 2026
Suction and brushes
Suction power 8,000 Pa 28,000 Pa
Extending side brush same on both no (assumed) no (assumed)
Carpet detection detects carpet and boosts suction –
Suitable for pet hair yes –
Mopping
Mop extends to the edges same on both yes yes
Mop refreshed while mopping – yes
Water tank in the robot – 150 ml
Dock
Empties the dust bin same on both yes yes
Bagless same on both no no
Dust bag capacity 2.5 l 3.2 l
Wash temperature 131 °F (55 °C) 176 °F (80 °C)
Dries the mop same on both yes yes
Dispenses detergent same on both no (assumed) no
Clean water tank 4 l 5 l
Dirty water tank 3.8 l 4.5 l
Navigation and obstacles
Navigation LiDAR turret built-in LiDAR, no turret
No-go zones zones in the app –
Recharge and resume yes –
Stair-edge sensors yes –
Camera on board – obstacle camera
Robot
Robot diameter same on both 13.8 in (35 cm) 13.8 in (35 cm)
Robot weight 8.6 lb (3.9 kg) 10.4 lb (4.73 kg)
Dust bin in the robot 300 ml 240 ml
Battery
Battery capacity same on both 5,200 mAh 5,200 mAh
Runtime per charge 120 min 220 min
Smart features and warranty
Voice assistants Alexa, Google Assistant –
Matter – no (assumed)
Warranty – 3 years

Facts as the maker states them. A dash means the maker does not name it. Each model’s page gives the source of every fact. Noise is the maker’s own figure, so we do not judge it, and a customer rating only counts from 20 reviews.

For exactly this situation we have a top 10, with why each model fits and today’s price: The 10 best robot vacuums for high thresholds (2026) →

Score out of 10: 60% test-site results, 25% owners’ ratings at the stores that ship to the United States, 15% the maker’s facts. Price does not count. Only models a test site has tested are ranked, and only models sold in the United States count. Method.

Thresholds0.8 to 1.6 in (2 to 4 cm)
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Lowest price at every store that ships to the United States, shipping included, before sales tax.

How we rank

Six rules every robot is ranked by

The same rules for every brand, every day. No brand or store can pay its way up.

  1. Tested, or not ranked

    A robot enters the ranking only after a cleaning test. 173 have been tested so far.

  2. Price never counts

    A discount can’t lift a model. The price sits beside the score, checked every morning at 6 stores.

  3. Cleaning weighs most

    60% of the score is measured cleaning: carpet, pet hair, mopping, obstacles and navigation.

  4. Owners and makers have a say

    25% comes from owners’ star ratings at the stores that ship to you, 15% from the facts the maker states.

  5. Thin evidence counts less

    The fewer tests behind a result, the more we pull it toward the average of its station type, so one lucky run can’t top the list.

  6. Reviewers shown, not blended

    The picks of RTINGS, TechRadar, Tom's Guide, Vacuum Wars, and Wirecutter sit next to our score, so you can see where they agree.

How our method works →

5 tests, 5 different winners

The number one on the main list of each test we follow, and where that model stands in our ranking. Their picks are shown beside our score and do not count in it.

TestTheir number oneWith us
RTINGS ↗list as of September 25, 2026 Roborock Saros 10R rank 17 of 85 with an all-in-one station
TechRadar ↗list as of September 25, 2026 Roborock Qrevo Curv rank 25 of 85 with an all-in-one station
Tom's Guide ↗list as of September 25, 2026 Dreame X60 Max Ultra Complete rank 6 of 85 with an all-in-one station
Vacuum Wars ↗list as of September 26, 2026 MOVA V70 Ultra Complete not on sale today
Wirecutter ↗list as of August 4, 2026 Roborock Q7 M5+ rank 11 of 18 with a self-emptying station

The main list is a test’s overall top list, not its lists for a budget, pets or carpet, which we show too. The date is the day we last read the list.

Robot vacuum market report, September 2026 A median price of $699 and 8 new models.

Where we check prices

We read prices every day at most stores, from their product feed or web store. We check them for errors and keep them, so you can see what a price did over the last 90 days. We link to Amazon too, but show no Amazon price until we read it through Amazon’s own API. Until then the price is on Amazon itself.

Whose tests we use

The test-site part of our score comes from the measured tests of Just A Dad Approved and Vacuum Wars.

Beside each model we also show where these testers place it in their own lists, without counting it in the score:

How we combine test-site results, owners’ ratings and facts into one score is on the method page.

Mostly after a robot that mops well? The best robot vacuums that mop →

Looking for a bargain? The robots with a real price drop today →

Looking for something new? The robots launched in the past year →

Filters

Thresholds · 0.8 to 1.6 in (2 to 4 cm)

Station type

Price

Color

Discount · 30% & up

Sort

Floors

Hair

Mopping

Upkeep

Clutter

Low furniture

Plumbing hookup

Customer rating

Ecosystems

Number of reviews

Clear all filters

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