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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.

Viomi V5 Pro × Best on 1 fact Roborock S8 × Best on 1 fact
Most important facts
Lowest price 449 €Saturn –
Score not in our ranking not in our ranking
Customer rating – ★ 4.9 · 17 reviews
Suction power higher is better – 6,000 Pa
Runtime per charge longer is better 200 min best 180 min
Climbs thresholds up to higher is better same on both 20 mm 20 mm
Robot height lower is better 9.8 cm 9.7 cm best
Mop lift on carpet higher is better – 5 mm
Navigation same on both LiDAR turret LiDAR turret
Rank
Rank – –
Mopping
Mop type same on both flat pad flat pad
Station
Station same on both charging dock only charging dock only
Brush and obstacles
Anti-tangle brush – yes
Obstacle avoidance same on both 3D sensor (structured light) 3D sensor (structured light)
Noise and age
Noise while cleaning not judged 68 dB 68.5 dB
On the market since June 2019 March 2023
Suction and brushes
Filter type HEPA –
Mopping
Water tank in the robot – 300 ml
Navigation and obstacles
No-go zones zones in the app –
Recharge and resume yes –
Stair-edge sensors yes –
Robot
Robot diameter 35 cm 35.3 cm
Dust bin in the robot – 400 ml
Battery
Charging time 5.5 h –
Battery capacity – 5,200 mAh
Smart features and warranty
Voice assistants Alexa, Google Assistant –
Warranty 2 years –
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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