Compare Roborock S5 Max vs. VIOMI S9

All robot vacuums

Cleaning Features
	Roborock S5 Max	VIOMI S9
Photo
Where to buy	Amazon.com$544.49 Amazon.de€420.25 Amazon.caC$531.02 Amazon.co.uk£477.86 Roborock$379.99	Amazon.com$374.89 Amazon.de€129.00 Amazon.co.uk--
SRR Score	198	185
Mapping / Path planning	Yes	Yes
Mapping Sensor Type	LDS	LDS
High-Precision Map	Yes	Yes
Objects recognition (front camera)	No	No
Recharge & Resume	Yes	Yes
Autocally Docks and Recharges	Yes	Yes
Noise Level	60 dB	70 dB
Display	No	No
Side Brushes (one or two)	1	1
Voice Prompts	Yes	Yes
Suction Power	2000 Pa	2700 Pa
Сleaning Area	250 ㎡ / 2691 ft²	320 ㎡ / 3444 ft²
Dustbin Capacity	460 ml / 15.55 oz	300 ml / 10.14 oz
Disposable dustbag capacity	N/A	3 L
Automatic Dirt Disposal	No	Yes
Barrier-cross Height	20 mm / 0.79 in	20 mm / 0.79 in
HEPA filter	Yes	Yes
Washable Filter	Yes	Yes
Mopping Features
Wet Mopping	Yes	Yes
Electric water flow control	Yes	Yes
Water Tank Capacity	280 ml / 9.47 oz	250 ml / 8.45 oz
Vibrating mopping pad	No	No
Automatic mop lifting	No	No
Auto water tank refilling	No	No
Auto mop washing	No	No
Battery
Battery Capacity	5200 mAh	5200 mAh
Battery life	180 min	150 min
Charging Time	240 min	N/A
Rated Power (Watts)	58 W	50 W
Control
Scheduling	Yes	Yes
IR/RF Remote Control	No	No
Wi-Fi / Smartphone App	Yes	Yes
Wi-Fi Frequency Band	2.4 GHz	2.4 GHz
Amazon Alexa Support	Yes	N/A
Google Assistant Support	Yes	N/A
Magnetic/Optical Virtual Walls	No	No
App Features
Real-time tracking	Yes	Yes
Digital Blocked Areas	Yes	Yes
Zoned cleaning	Yes	Yes
Multi-floor maps	Yes	Yes
Manual movement control	Yes	Yes
Selected Room Cleaning	Yes	Yes
No-mop zones	Yes	No
Sensors
Carpet Boost	Yes	Yes
Anti-drop / Cliff Sensor	Yes	Yes
Dirt Sensor	No	No
Full Dustbin Sensor	No	No
Other Specifications
Weight	3.5 kg / 7.72 lbs	3.8 kg / 8.38 lbs
Width	35 cm / 13.78 in	35 cm / 13.78 in
Height	9.65 cm / 3.8 in	9.8 cm / 3.86 in
In the box	water tank, mopping pad, user manual, AC adapter, charging dock
Release Date	Sep 2019	Nov, 2020
Warranty	12 months	12 months