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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.

Lefant M210 Omni × Roborock Qrevo CurvX × Best on 5 facts
Most important facts
Lowest price – $749Roborock (brand store)
Score not in our ranking 7.7
Customer rating – ★ 4.7 · 9 reviews
Tests – Just A Dad Approved Vacuum Wars
Suction power higher is better 20,000 Pa 22,000 Pa best
Runtime per charge longer is better 120 min 220 min best
Climbs thresholds up to higher is better – 1.2 in (30 mm)
Robot height lower is better 3.3 in (8.5 cm) 3.1 in (8 cm) best
Mop lift on carpet higher is better – 0.7 in (17 mm)
Dust bag lasts longer is better – up to 65 days
Navigation not judged LiDAR turret retractable LiDAR
Rank
Rank – rank 5 of 94 with an all-in-one station
Mopping
Mop type roller mop spinning pads
Automatic mop detach same on both no no (assumed)
Washes the mop same on both yes yes
Hot-air drying no yes (best)
Station
Station same on both all-in-one station all-in-one station
Plumbing hookup same on both no (assumed) no
Brush and obstacles
Anti-tangle brush same on both yes yes
Obstacle avoidance – AI camera
Climbing system for high thresholds no (assumed) yes (best)
Noise and age
Noise while cleaning not judged – 62 dB
On the market since July 2026 May 2025
Suction and brushes
Extending side brush no (assumed) yes
Carpet detection – detects carpet and boosts suction
Suitable for pet hair – yes
Dirt detection – yes
Mopping
Mop extends to the edges no (assumed) yes
Mop refreshed while mopping yes no (assumed)
Dock
Empties the dust bin no (assumed) yes
Bagless yes no (assumed)
Dries the mop same on both yes yes
Dispenses detergent same on both no (assumed) no
Clean water tank 2.4 l –
Dirty water tank 1.5 l –
Dust bag capacity – 2.7 l
Wash temperature – 176 °F (80 °C)
Navigation and obstacles
Double threshold (two steps together) – 1.6 in (40 mm)
No-go zones – zones in the app
Camera on board – obstacle camera
Stair-edge sensors – yes
Robot
Robot diameter 11 in (28 cm) 13.9 in (35.2 cm)
Dust bin in the robot 800 ml 259 ml
Robot weight – 9.7 lb (4.42 kg)
Battery
Battery capacity – 6,400 mAh
Smart features and warranty
Matter no (assumed) yes
Voice assistants Alexa, Google Assistant Alexa, Google Assistant, Siri
Warranty – 2 years
Scheduled runs – yes
Home Assistant – official integration

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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