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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.

iRobot Roomba Combo j5 × Best on 1 fact Roborock Q7 M5 × Best on 3 facts
Most important facts
Lowest price – € 129Roborock (brand store)
Score not in our ranking 5.4
Customer rating – –
Tests – Just A Dad Approved Vacuum Wars TechRadar Tom's Guide
Suction power higher is better – 10,000 Pa
Runtime per charge longer is better 75 min 180 min best
Climbs thresholds up to higher is better 16 mm 20 mm best
Robot height lower is better 8.6 cm best 9.9 cm
Mop lift on carpet higher is better same on both no no
Dust bag lasts longer is better – up to 30 days
Navigation not judged camera LiDAR turret
Rank
Rank – rank 1 of 6 without a station
Mopping
Mop type same on both flat or vibrating pad flat or vibrating pad
Automatic mop detach same on both no (assumed) no (assumed)
Washes the mop – no
Hot-air drying – no
Station
Station same on both charging dock only charging dock only
Plumbing hookup – no
Brush and obstacles
Anti-tangle brush no (assumed) yes (best)
Obstacle avoidance AI camera –
Climbing system for high thresholds same on both no (assumed) no (assumed)
Noise and age
Noise while cleaning not judged – 65 dB
On the market since August 2023 April 2025
Suction and brushes
Extending side brush same on both no (assumed) no (assumed)
Dirt detection yes –
Main brush – two rubber rollers
Carpet detection – detects carpet and boosts suction
Suitable for pet hair – no
Mopping
Mop extends to the edges same on both no (assumed) no (assumed)
Mop refreshed while mopping same on both no (assumed) no (assumed)
Water tank in the robot 210 ml 270 ml
Dock
Empties the dust bin – no
Dries the mop – no
Dispenses detergent – no
Navigation and obstacles
Camera on board obstacle camera –
No-go zones – zones in the app
Recharge and resume – yes
Stair-edge sensors – yes
Robot
Robot diameter 33.8 cm 32.5 cm
Robot weight 3.4 kg 3.3 kg
Dust bin in the robot 210 ml 400 ml
Battery
Battery capacity 2,210 mAh 3,200 mAh
Charging time – 4 h
Smart features and warranty
Matter same on both no (assumed) no (assumed)
Voice assistants Alexa, Google Assistant, Siri Alexa, Google Assistant
Warranty 1 year 2 years
Home Assistant same on both official integration official integration
Scheduled runs – 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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