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S8 MaxV Ultra vs Roomba Combo j9+

Head-to-head comparison of Roborock S8 MaxV Ultra and iRobot Roomba Combo j9+. Updated 2026.

Last updated: March 25, 2026

Overall Score

91.0/ 100

S8 MaxV Ultra

Roborock

89.0/ 100

Roomba Combo j9+

iRobot

Score Breakdown

94
Performance
90
90
Reliability
88
92
Ease of Use
95
95
Intelligence
92
85
Value
82
88
Ecosystem
95
90
Safety
92
92
Design
88

Specs Comparison

SpecS8 MaxV UltraRoomba Combo j9+
Price$1,399$799
Noise Db6765
Dustbin Ml400400
NavigationLiDAR + dual camera AIPrecisionVision + iAdapt 3.0
Smart HomeAlexa, Google, SiriAlexa, Google, Matter
Suction Pa60005000
Battery Min180120
Water Tank Ml300300
S8 MaxV Ultra Full ReviewRoomba Combo j9+ Full ReviewBest Consumer & Home Robots

Frequently Asked Questions