Compare iRobot Roomba S9+ vs. iRobot Roomba i8+

All robot vacuums

Cleaning Features
	iRobot Roomba S9+	iRobot Roomba i8+
Photo
Where to buy	Amazon.com$929.99 Amazon.de€1081.12 Amazon.caC$1255.00 Amazon.co.uk£1399.00
SRR Score	186	178
Mapping / Path planning	Yes	Yes
Mapping Sensor Type	camera	camera, odometry
High-Precision Map	Yes	Yes
Objects recognition (front camera)	No	No
Recharge & Resume	Yes	Yes
Autocally Docks and Recharges	Yes	Yes
Noise Level	N/A	68 dB
Display	No	No
Side Brushes (one or two)	1	1
Voice Prompts	Yes	Yes
Suction Power	2200 Pa	1700 Pa
Сleaning Area	200 ㎡ / 2153 ft²	200 ㎡ / 2153 ft²
Dustbin Capacity	400 ml / 13.53 oz	400 ml / 13.53 oz
Disposable dustbag capacity	1 L	N/A
Automatic Dirt Disposal	Yes	Yes
Barrier-cross Height	20 mm / 0.79 in	20 mm / 0.79 in
HEPA filter	Yes	Yes
Washable Filter	No	No
Mopping Features
Wet Mopping	No	No
Electric water flow control	N/A	N/A
Water Tank Capacity	-	-
Vibrating mopping pad	No	No
Automatic mop lifting	No	No
Auto water tank refilling	No	No
Auto mop washing	N/A	N/A
Battery
Battery Capacity	3300 mAh	2210 mAh
Battery life	120 min	90 min
Charging Time	N/A	120 min
Rated Power (Watts)	N/A	N/A
Control
Scheduling	Yes	Yes
IR/RF Remote Control	No	No
Wi-Fi / Smartphone App	Yes	Yes
Wi-Fi Frequency Band	2.4 / 5 GHz	2.4 / 5 GHz
Amazon Alexa Support	Yes	Yes
Google Assistant Support	Yes	Yes
Magnetic/Optical Virtual Walls	Yes	Yes
App Features
Real-time tracking	No	No
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	N/A	N/A
Sensors
Carpet Boost	No	Yes
Anti-drop / Cliff Sensor	Yes	Yes
Dirt Sensor	Yes	Yes
Full Dustbin Sensor	Yes	Yes
Other Specifications
Weight	3.37 kg / 7.43 lbs	3.3 kg / 7.28 lbs
Width	33.88 cm / 13.34 in	33.8 cm / 13.31 in
Height	9.22 cm / 3.63 in	9.2 cm / 3.62 in
In the box	robot vacuum, AC cord, charging dock, dual-mode virtual barrier, hepa filter, extra side-brush	clean base automatic dirt disposal, 2 dirt disposal bags, north American line cord, dual mode virtual wall barrier, extra high-efficiency filter, extra side brush
Release Date	May, 2019	Sep 2020
Warranty	12 months	12 months