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Comparing 2 robot vacuums

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

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

Roborock Qrevo Slim × Best on 1 fact Dreame L50 Ultra × Best on 8 facts
Most important facts
Lowest price – $721Dreame (brand store)
Score 7.2 7.6 best
Customer rating – –
Tests Just A Dad Approved Vacuum Wars TechRadar Just A Dad Approved Vacuum Wars
Suction power higher is better 11,000 Pa 19,500 Pa best
Runtime per charge longer is better 180 min 200 min best
Climbs thresholds up to higher is better 0.8 in (20 mm) 1.7 in (42 mm) best
Robot height lower is better 3.2 in (8.2 cm) best 3.8 in (9.7 cm)
Mop lift on carpet higher is better 0.4 in (10 mm) 0.4 in (10.5 mm) best
Dust bag lasts longer is better up to 49 days up to 100 days best
Navigation not judged built-in LiDAR, no turret LiDAR turret
Rank
Rank rank 55 of 94 with an all-in-one station rank 17 of 94 with an all-in-one station
Mopping
Mop type same on both spinning pads spinning pads
Automatic mop detach no (assumed) yes (best)
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
Plumbing hookup same on both no (assumed) no (assumed)
Brush and obstacles
Anti-tangle brush same on both yes yes
Obstacle avoidance same on both AI camera AI camera
Climbing system for high thresholds no (assumed) yes (best)
Noise and age
Noise while cleaning not judged 67 dB –
On the market since November 2024 June 2025
Suction and brushes
Main brush two rubber rollers rubber
Extending side brush same on both yes yes
Carpet detection detects carpet and boosts suction –
Dirt detection yes –
Suitable for pet hair – yes
Mopping
Mop extends to the edges same on both yes yes
Mop refreshed while mopping same on both yes yes
Water tank in the robot 72 ml –
Dock
Empties the dust bin same on both yes yes
Bagless same on both no no
Dust bag capacity 2.7 l 3.2 l
Wash temperature 140 °F (60 °C) 167 °F (75 °C)
Dries the mop same on both yes yes
Dispenses detergent no yes
Clean water tank – 4.5 l
Dirty water tank – 4 l
Navigation and obstacles
Camera on board same on both obstacle camera obstacle camera
Video calls through the camera same on both yes yes
Stair-edge sensors same on both yes yes
Double threshold (two steps together) – 2.4 in (60 mm)
Robot
Robot diameter 13.9 in (35.3 cm) 13.9 in (35.2 cm)
Robot weight 9 lb (4.1 kg) 9.8 lb (4.44 kg)
Dust bin in the robot 220 ml 395 ml
Battery
Battery capacity 5,200 mAh 6,400 mAh
Charging time 4 h 4.5 h
Smart features and warranty
Matter same on both yes yes
Voice assistants Alexa, Siri, Google Home Alexa, Google Assistant, Siri
Built-in voice assistant same on both yes yes
Warranty 2 years 3 years
Scheduled runs same on both yes yes
Home Assistant official integration –

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