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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.

SwitchBot K11+ × Best on 2 facts Roborock S8+ × Best on 3 facts
Most important facts
Lowest price 209 €Amazon.de best 694 €EURONICS
Score not in our ranking 6.4
Customer rating – –
Tests – Vacuum Wars
Suction power higher is better same on both 6,000 Pa 6,000 Pa
Runtime per charge longer is better 150 min 180 min best
Climbs thresholds up to higher is better 17 mm 20 mm best
Robot height lower is better 9.9 cm 9.7 cm best
Mop lift on carpet higher is better – 5 mm
Dust bag lasts longer is better up to 90 days best up to 49 days
Navigation same on both LiDAR turret LiDAR turret
Rank
Rank – 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
Brush and obstacles
Anti-tangle brush same on both yes yes
Obstacle avoidance none 3D sensor (structured light)
Climbing system for high thresholds no (assumed) –
Noise and age
Noise while cleaning not judged 80 dB 68.5 dB
On the market since June 2025 March 2023
Suction and brushes
Extending side brush no (assumed) –
Suitable for pet hair yes –
Filter type HEPA –
Mopping
Mop extends to the edges no (assumed) –
Mop refreshed while mopping no (assumed) –
Water tank in the robot – 300 ml
Dock
Empties the dust bin same on both yes yes
Bagless same on both no no
Dust bag capacity 4 l 2.5 l
Dries the mop no –
Dispenses detergent no –
Navigation and obstacles
Recharge and resume yes –
Stair-edge sensors yes –
Robot
Robot diameter 24.8 cm 35.3 cm
Robot weight 2.3 kg –
Dust bin in the robot – 350 ml
Battery
Battery capacity 3,200 mAh 5,200 mAh
Charging time 5 h –
Smart features and warranty
Matter yes –
Voice assistants Alexa, Google Home, Apple Home –
Warranty 1 year –
Scheduled runs yes –
Home Assistant – 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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