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Comparing 3 robot vacuums

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

Green is the best of these 3, also when they share the lead.

Roborock Saros 20 × Best on 9 facts Xiaomi X20 Max × MOVA V50 Ultra Complete × Best on 5 facts
Most important facts
Lowest price $1,599Roborock (brand store) – $799MOVA (brand store) best
Score 7.7 not in our ranking 7.7
Customer rating – ★ 4.7 · 116 reviews ★ 4.7 · 123 reviews
Tests Just A Dad Approved Vacuum Wars TechRadar Tom's Guide TechRadar Vacuum Wars Just A Dad Approved Vacuum Wars TechRadar
Suction power higher is better 36,000 Pa best 8,000 Pa 24,000 Pa
Runtime per charge longer is better 200 min best 120 min 200 min best
Climbs thresholds up to higher is better 1.8 in (45 mm) best 0.8 in (20 mm) 1.7 in (42 mm)
Robot height lower is better 3.1 in (8 cm) best 3.8 in (9.7 cm) 3.5 in (9 cm)
Mop lift on carpet higher is better 0.6 in (15 mm) best 0.4 in (10 mm) 0.4 in (10.5 mm)
Dust bag lasts longer is better up to 65 days up to 75 days up to 100 days best
Navigation not judged built-in LiDAR, no turret LiDAR turret retractable LiDAR
Rank
Rank rank 10 of 94 with an all-in-one station – rank 7 of 94 with an all-in-one station
Mopping
Mop type same on all spinning pads spinning pads spinning pads
Automatic mop detach yes (best) no (assumed) no (assumed)
Washes the mop same on all yes yes yes
Hot-air drying same on all yes yes yes
Station
Station same on all all-in-one station all-in-one station all-in-one station
Plumbing hookup yes (best) no (assumed) no
Brush and obstacles
Anti-tangle brush same on all yes yes yes
Obstacle avoidance AI camera best 3D sensor (structured light) AI camera best
Climbing system for high thresholds yes (best) no yes (best)
Noise and age
Noise while cleaning not judged 63 dB 68 dB 68 dB
On the market since February 2026 October 2024 March 2025
Suction and brushes
Anti-tangle system split brush blade that cuts hair –
Extending side brush yes no (assumed) yes
Carpet detection detects carpet detects carpet and boosts suction –
Suitable for pet hair same on all yes yes yes
Dirt detection yes – yes
Mopping
Mop extends to the edges same on all yes yes yes
Mop refreshed while mopping yes yes no (assumed)
Water tank in the robot 69 ml – 70 ml
Steam – no (assumed) no (assumed)
Dock
Empties the dust bin same on all yes yes yes
Bagless same on all no (assumed) no no
Dust bag capacity 2.5 l 2.5 l 3.2 l
Wash temperature 212 °F (100 °C) 131 °F (55 °C) 176 °F (80 °C)
Dries the mop same on all yes yes yes
Drying temperature 131 °F (55 °C) – –
Dispenses detergent yes no (assumed) yes
Clean water tank same on all 4 l 4 l 4 l
Dirty water tank 3.5 l 3.8 l 3.5 l
Navigation and obstacles
Double threshold (two steps together) 3.5 in (88 mm) – 2.4 in (60 mm)
Camera on board obstacle camera – obstacle camera
Video calls through the camera yes – –
Stair-edge sensors yes yes –
No-go zones – zones in the app –
Recharge and resume – yes –
Robotic arm – – no (assumed)
Robot
Robot diameter 13.9 in (35.3 cm) 13.8 in (35 cm) 13.8 in (35 cm)
Robot weight 11.1 lb (5.05 kg) 8.6 lb (3.9 kg) –
Dust bin in the robot 259 ml 350 ml 300 ml
Battery
Battery capacity 6,400 mAh 5,200 mAh 6,400 mAh
Charging time 2.5 h – –
Smart features and warranty
Matter yes no (assumed) no (assumed)
Voice assistants Alexa, Google Assistant, Siri Alexa, Google Assistant Alexa, Google Assistant, Siri
Built-in voice assistant yes – –
Warranty 2 years 2 years 3 years
Scheduled runs yes – –
Home Assistant official integration – –

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