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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 Q7 M5 × Best on 2 facts Roborock Q7 L5 × Roborock S8 × Best on 2 facts
Most important facts
Lowest price – $159Roborock (brand store) –
Score 4.4 best 4.1 not in our ranking
Customer rating – – –
Tests Just A Dad Approved Vacuum Wars TechRadar Tom's Guide Vacuum Wars –
Suction power higher is better 10,000 Pa best 8,000 Pa 6,000 Pa
Runtime per charge longer is better same on all 180 min 180 min 180 min
Climbs thresholds up to higher is better same on all 0.8 in (20 mm) 0.8 in (20 mm) 0.8 in (20 mm)
Robot height lower is better 3.9 in (9.9 cm) 3.9 in (9.9 cm) 3.8 in (9.7 cm) best
Mop lift on carpet higher is better no no 0.2 in (5 mm) best
Dust bag lasts longer is better up to 30 days – –
Navigation same on all LiDAR turret LiDAR turret LiDAR turret
Rank
Rank rank 1 of 13 without a station rank 4 of 13 without a station –
Mopping
Mop type same on all flat or vibrating pad flat or vibrating pad flat or vibrating pad
Automatic mop detach no (assumed) no (assumed) –
Washes the mop no no –
Hot-air drying no no –
Station
Station same on all charging dock only charging dock only charging dock only
Plumbing hookup no no –
Brush and obstacles
Anti-tangle brush same on all yes yes yes
Obstacle avoidance – – 3D sensor (structured light)
Climbing system for high thresholds no (assumed) no (assumed) –
Noise and age
Noise while cleaning not judged 65 dB – 68.5 dB
On the market since April 2025 January 2025 March 2023
Suction and brushes
Extending side brush no (assumed) no (assumed) –
Carpet detection detects carpet and boosts suction – –
Suitable for pet hair no no –
Mopping
Mop extends to the edges no (assumed) no (assumed) –
Mop refreshed while mopping no (assumed) no (assumed) –
Water tank in the robot 270 ml 270 ml 300 ml
Dock
Empties the dust bin no no –
Dries the mop no no –
Dispenses detergent no no –
Navigation and obstacles
No-go zones zones in the app – –
Recharge and resume yes – –
Stair-edge sensors yes yes –
Robot
Robot diameter 12.8 in (32.5 cm) 12.8 in (32.5 cm) 13.9 in (35.3 cm)
Robot weight 7.3 lb (3.3 kg) 7.3 lb (3.3 kg) –
Dust bin in the robot same on all 400 ml 400 ml 400 ml
Battery
Battery capacity 3,200 mAh 3,200 mAh 5,200 mAh
Charging time 4 h 4 h –
Smart features and warranty
Matter no (assumed) no (assumed) –
Voice assistants Alexa, Google Assistant Alexa, Google Assistant –
Warranty 2 years 2 years –
Scheduled runs yes yes –
Home Assistant same on all official integration 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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