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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 × iRobot Roomba Combo 115 × Best on 2 facts
Most important facts
Lowest price – € 136 *Amazon.es
Score not in our ranking 5.4
Customer rating – ★ 5.0 · 3 reviews
Tests – Just A Dad Approved
Suction power higher is better – 15,000 Pa
Runtime per charge longer is better 75 min 100 min best
Climbs thresholds up to higher is better same on both 16 mm 16 mm
Robot height lower is better 8.6 cm 7.9 cm best
Mop lift on carpet higher is better same on both no no
Navigation not judged camera LiDAR turret
Rank
Rank – rank 2 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 same on both no (assumed) no (assumed)
Obstacle avoidance AI camera none
Climbing system for high thresholds same on both no (assumed) no (assumed)
Noise and age
Noise while cleaning not judged – 63 dB
On the market since August 2023 April 2026
Suction and brushes
Extending side brush same on both no (assumed) no (assumed)
Dirt detection yes –
Mopping
Mop extends to the edges no (assumed) yes
Mop refreshed while mopping same on both no (assumed) no (assumed)
Water tank in the robot 210 ml –
Steam – no (assumed)
Dock
Empties the dust bin – no
Dries the mop – no
Dispenses detergent – no
Navigation and obstacles
Camera on board obstacle camera –
Robotic arm – no (assumed)
Robot
Robot diameter 33.8 cm 30.3 cm
Robot weight 3.4 kg 2.15 kg
Dust bin in the robot 210 ml –
Battery
Battery capacity 2,210 mAh 2,500 mAh
Smart features and warranty
Matter same on both no (assumed) no (assumed)
Voice assistants same on both Alexa, Google Assistant, Siri Alexa, Google Assistant, Siri
Warranty 1 year 2 years
Home Assistant same on both 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. * Foreign shop: delivery cost and VAT to the Netherlands estimated.

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