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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.

EZVIZ RE4 Plus × Best on 4 facts Roborock S8+ × Best on 2 facts
Most important facts
Lowest price 261 €Saturn best 694 €EURONICS
Score not in our ranking 5.9
Customer rating ★ 4.5 · 6 reviews ★ 5.0 · 7 reviews
Tests – Vacuum Wars
Suction power higher is better 4,000 Pa 6,000 Pa best
Runtime per charge longer is better 240 min best 180 min
Climbs thresholds up to higher is better same on both 20 mm 20 mm
Robot height lower is better 9.5 cm best 9.7 cm
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 13 with an auto-empty station
Mopping
Mop type same on both flat or vibrating pad flat or vibrating pad
Automatic mop detach no (assumed) –
Station
Station same on both auto-empty station auto-empty station
Brush and obstacles
Anti-tangle brush no (assumed) yes (best)
Obstacle avoidance none 3D sensor (structured light)
Climbing system for high thresholds no (assumed) –
Noise and age
Noise while cleaning not judged 55 dB 68.5 dB
On the market since May 2024 March 2023
Suction and brushes
Main brush rubber and bristle –
Extending side brush no (assumed) –
Carpet detection detects carpet –
Mopping
Mop extends to the edges no (assumed) –
Mop refreshed while mopping no (assumed) –
Water tank in the robot same on both 300 ml 300 ml
Steam no (assumed) –
Dock
Empties the dust bin same on both yes yes
Bagless same on both no no
Dust bag capacity 4 l 2.5 l
Navigation and obstacles
Robotic arm no (assumed) –
Robot
Robot diameter 34.5 cm 35.3 cm
Robot weight 3.09 kg –
Dust bin in the robot same on both 350 ml 350 ml
Battery
Battery capacity 4,930 mAh 5,200 mAh
Area per charge 300 m² –
Charging time 5 h –
Smart features and warranty
Matter no (assumed) –
Voice assistants Alexa, Google Assistant –
Warranty 2 years 1 year
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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