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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.

Lefant M310 × Best on 1 fact Roborock Q7 L5 × Best on 3 facts Roborock S8 × Best on 3 facts
The facts that decide most
Lowest price – $159Roborock (brand store) –
Score not in our ranking 4.3 not in our ranking
Customer rating – – –
Tests – Vacuum Wars –
Suction power higher is better 4,500 Pa 8,000 Pa best 6,000 Pa
Runtime per charge longer is better 160 min 180 min best 180 min best
Climbs thresholds up to higher is better 0.5 in (12 mm) 0.8 in (20 mm) best 0.8 in (20 mm) best
Robot height lower is better 3 in (7.6 cm) best 3.9 in (9.9 cm) 3.8 in (9.7 cm)
Mop lift on carpet higher is better – no 0.2 in (5 mm) best
Navigation not judged gyroscope LiDAR turret LiDAR turret
Rank
Rank – rank 4 of 13 without a station –
Mopping
Mop type no mop flat or vibrating pad flat or vibrating pad
Automatic mop detach – no (assumed) –
Washes the mop – no –
Hot-air drying – no –
Station
Station same on all charging dock only charging dock only charging dock only
Plumbing hookup – no –
Brush and obstacles
Anti-tangle brush same on all yes yes yes
Obstacle avoidance none – 3D sensor (structured light)
Climbing system for high thresholds no (assumed) no (assumed) –
Noise and age
Noise not judged 55 dB – 68.5 dB
On the market since – January 2025 March 2023
Suction and brushes
Extending side brush no (assumed) no (assumed) –
Filter type HEPA – –
Suitable for pet hair – no –
Mopping
Mop extends to the edges – no (assumed) –
Mop refreshed while mopping – no (assumed) –
Water tank in the robot – 270 ml 300 ml
Dock
Empties the dust bin – no –
Dries the mop – no –
Dispenses detergent – no –
Navigation and obstacles
Stair-edge sensors – yes –
Robot
Robot diameter 11 in (27.9 cm) 12.8 in (32.5 cm) 13.9 in (35.3 cm)
Dust bin in the robot 500 ml 400 ml 400 ml
Robot weight – 7.3 lb (3.3 kg) –
Battery
Battery capacity 2,600 mAh 3,200 mAh 5,200 mAh
Charging time – 4 h –
Smart features and warranty
Matter no (assumed) no (assumed) –
Voice assistants Alexa, Google Assistant Alexa, Google Assistant –
Warranty 1 year 2 years –
Scheduled runs yes yes –
Home Assistant – official integration 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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