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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 105 Combo+ × Best on 3 facts Roborock S8+ × Best on 5 facts
Most important facts
Lowest price 224 €Amazon.de best 694 €EURONICS
Score 4.0 6.4 best
Customer rating ★ 3.9 · 25 reviews –
Tests Just A Dad Approved Vacuum Wars
Suction power higher is better 7,000 Pa best 6,000 Pa
Runtime per charge longer is better 120 min 180 min best
Climbs thresholds up to higher is better same on both 20 mm 20 mm
Robot height lower is better 10.4 cm 9.7 cm best
Mop lift on carpet higher is better no 5 mm best
Dust bag lasts longer is better up to 75 days best up to 49 days
Navigation same on both LiDAR turret LiDAR turret
Rank
Rank rank 9 of 10 with an auto-empty station rank 1 of 10 with an auto-empty 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 auto-empty station auto-empty station
Plumbing hookup no –
Brush and obstacles
Anti-tangle brush no yes (best)
Obstacle avoidance none 3D sensor (structured light)
Climbing system for high thresholds no (assumed) –
Noise and age
Noise not judged 62 dB 68.5 dB
On the market since March 2025 March 2023
Suction and brushes
Extending side brush no (assumed) –
Carpet detection detects carpet –
Suitable for pet hair no –
Mopping
Mop extends to the edges no –
Mop refreshed while mopping no (assumed) –
Water tank in the robot 200 ml 300 ml
Steam no (assumed) –
Dock
Empties the dust bin same on both yes yes
Bagless same on both no no
Dries the mop no –
Dispenses detergent no –
Dust bag capacity – 2.5 l
Navigation and obstacles
Multi-floor maps 3 –
Stair-edge sensors yes –
Robotic arm no (assumed) –
Robot
Robot diameter 33.6 cm 35.3 cm
Robot weight 2.92 kg –
Dust bin in the robot 240 ml 350 ml
Battery
Battery capacity 3,000 mAh 5,200 mAh
Charging time 5 h –
Smart features and warranty
Matter no (assumed) –
Voice assistants Alexa, Google Assistant, Siri –
Warranty 2 years –
Scheduled runs yes –
Wi-Fi band 2.4 GHz –
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.

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