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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.

SwitchBot S20 × Best on 1 fact Dreame L40s Ultra AE × Best on 2 facts MOVA V50 Ultra Complete × Best on 7 facts
Most important facts
Lowest price – – –
Score not in our ranking 7.4 7.7 best
Customer rating – ★ 4.7 · 618 reviews ★ 4.7 · 123 reviews
Tests – Just A Dad Approved Vacuum Wars Just A Dad Approved Vacuum Wars TechRadar
Suction power higher is better 10,000 Pa 19,000 Pa 24,000 Pa best
Runtime per charge longer is better 180 min 180 min 200 min best
Climbs thresholds up to higher is better 0.8 in (20 mm) 0.8 in (20 mm) 1.7 in (42 mm) best
Robot height lower is better 4.5 in (11.5 cm) 3.8 in (9.7 cm) 3.5 in (9 cm) best
Mop lift on carpet higher is better – 0.4 in (10.5 mm) 0.4 in (10.5 mm)
Dust bag lasts longer is better up to 90 days up to 100 days best up to 100 days best
Navigation not judged LiDAR turret LiDAR turret retractable LiDAR
Rank
Rank – rank 36 of 94 with an all-in-one station rank 8 of 94 with an all-in-one station
Mopping
Mop type roller mop spinning pads spinning pads
Automatic mop detach same on all no 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) yes (best) no
Brush and obstacles
Anti-tangle brush same on all yes yes yes
Obstacle avoidance same on all AI camera AI camera AI camera
Climbing system for high thresholds no (assumed) no (assumed) yes (best)
Noise and age
Noise while cleaning not judged – 74 dB 68 dB
On the market since September 2025 April 2025 March 2025
Suction and brushes
Extending side brush yes no (assumed) yes
Carpet detection detects carpet and boosts suction detects carpet –
Suitable for pet hair same on all yes yes yes
Main brush – rubber –
Dirt detection – yes yes
Mopping
Mop extends to the edges no (assumed) yes yes
Mop refreshed while mopping yes no (assumed) no (assumed)
Water tank in the robot – – 70 ml
Steam – – no (assumed)
Dock
Empties the dust bin same on all yes yes yes
Bagless same on all no no no
Dust bag capacity 4 l 3.2 l 3.2 l
Dries the mop same on all yes yes yes
Drying temperature 122 °F (50 °C) – –
Dispenses detergent same on all yes yes yes
Clean water tank 2.7 l 4.5 l 4 l
Dirty water tank 2.5 l 4 l 3.5 l
Wash temperature – 167 °F (75 °C) 176 °F (80 °C)
Navigation and obstacles
Camera on board same on all obstacle camera obstacle camera obstacle camera
Stair-edge sensors yes yes –
Double threshold (two steps together) – – 2.4 in (60 mm)
Robotic arm – – no (assumed)
Robot
Robot diameter 14.4 in (36.5 cm) 13.8 in (35 cm) 13.8 in (35 cm)
Robot weight 12.1 lb (5.5 kg) 8.8 lb (4 kg) –
Dust bin in the robot 310 ml 395 ml 300 ml
Battery
Battery capacity 4,000 mAh 5,200 mAh 6,400 mAh
Charging time 4 h 3.5 h –
Smart features and warranty
Matter yes no (assumed) no (assumed)
Voice assistants Alexa, Google Assistant, Apple Home Alexa, Google Assistant, Siri Alexa, Google Assistant, Siri
Warranty 1 year 2 years 3 years
Scheduled runs yes yes –

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.

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