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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.

iRobot Roomba Combo j5 × Roborock Q7 M5 × Best on 4 facts iRobot Roomba Combo 115 × Best on 2 facts
Most important facts
Lowest price – – –
Score not in our ranking 4.4 best 4.3
Customer rating – – ★ 5.0 · 3 reviews
Tests – Just A Dad Approved Vacuum Wars TechRadar Tom's Guide Just A Dad Approved
Suction power higher is better – 10,000 Pa 15,000 Pa best
Runtime per charge longer is better 75 min 180 min best 100 min
Climbs thresholds up to higher is better 0.6 in (16 mm) 0.8 in (20 mm) best 0.6 in (16 mm)
Robot height lower is better 3.4 in (8.6 cm) 3.9 in (9.9 cm) 3.1 in (7.9 cm) best
Mop lift on carpet higher is better same on all no no no
Dust bag lasts longer is better – up to 30 days –
Navigation not judged camera LiDAR turret LiDAR turret
Rank
Rank – rank 1 of 13 without a station rank 2 of 13 without a station
Mopping
Mop type same on all flat pad flat pad flat pad
Automatic mop detach same on all no (assumed) 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 no (assumed) yes (best) no (assumed)
Obstacle avoidance AI camera – none
Climbing system for high thresholds same on all no (assumed) no (assumed) no (assumed)
Noise and age
Noise while cleaning not judged – 65 dB 63 dB
On the market since August 2023 April 2025 April 2026
Suction and brushes
Extending side brush same on all no (assumed) 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 no (assumed) no (assumed) yes
Mop refreshed while mopping same on all no (assumed) no (assumed) no (assumed)
Water tank in the robot 210 ml 270 ml –
Steam – – no (assumed)
Dock
Empties the dust bin – no no
Dries the mop – no no
Dispenses detergent – no no
Navigation and obstacles
Camera on board obstacle camera – –
No-go zones – zones in the app –
Recharge and resume – yes –
Stair-edge sensors – yes –
Robotic arm – – no (assumed)
Robot
Robot diameter 13.3 in (33.8 cm) 12.8 in (32.5 cm) 11.9 in (30.3 cm)
Robot weight 7.5 lb (3.4 kg) 7.3 lb (3.3 kg) 4.7 lb (2.15 kg)
Dust bin in the robot 210 ml 400 ml –
Battery
Battery capacity 2,210 mAh 3,200 mAh 2,500 mAh
Charging time – 4 h –
Smart features and warranty
Matter same on all no (assumed) no (assumed) no (assumed)
Voice assistants Alexa, Google Assistant, Siri Alexa, Google Assistant Alexa, Google Assistant, Siri
Warranty 1 year 2 years 2 years
Home Assistant same on all official integration 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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