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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.

Roborock S7 MaxV × Best on 4 facts iRobot Roomba Combo 115 × Best on 2 facts
Most important facts
Lowest price – –
Score not in our ranking 4.3
Customer rating – ★ 5.0 · 3 reviews
Tests – Just A Dad Approved
Suction power higher is better 5,100 Pa 15,000 Pa best
Runtime per charge longer is better 180 min best 100 min
Climbs thresholds up to higher is better 0.8 in (20 mm) best 0.6 in (16 mm)
Robot height lower is better 3.8 in (9.7 cm) 3.1 in (7.9 cm) best
Mop lift on carpet higher is better 0.2 in (5 mm) best no
Navigation same on both LiDAR turret LiDAR turret
Rank
Rank – rank 2 of 13 without a station
Mopping
Mop type same on both 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 both charging dock only charging dock only
Plumbing hookup – no
Brush and obstacles
Anti-tangle brush yes (best) no (assumed)
Obstacle avoidance AI camera none
Climbing system for high thresholds – no (assumed)
Noise and age
Noise while cleaning not judged 67 dB 63 dB
On the market since March 2022 April 2026
Suction and brushes
Main brush rubber –
Suitable for pet hair no –
Extending side brush – no (assumed)
Mopping
Water tank in the robot 200 ml –
Mop extends to the edges – yes
Mop refreshed while mopping – no (assumed)
Steam – no (assumed)
Dock
Empties the dust bin same on both no no
Dries the mop – no
Dispenses detergent – no
Navigation and obstacles
Camera on board obstacle camera –
Robotic arm – no (assumed)
Robot
Robot weight 10.4 lb (4.7 kg) 4.7 lb (2.15 kg)
Dust bin in the robot 400 ml –
Robot diameter – 11.9 in (30.3 cm)
Battery
Battery capacity 5,200 mAh 2,500 mAh
Smart features and warranty
Voice assistants Alexa, Google Assistant Alexa, Google Assistant, Siri
Warranty same on both 2 years 2 years
Home Assistant same on both official integration official integration
Matter – no (assumed)

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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