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: May 9, 2026
Overall Score
91.0/ 100
S8 MaxV Ultra
Roborock
89.0/ 100
Roomba Combo j9+
iRobot
Score Breakdown
94
Performance90
90
Reliability88
92
Ease of Use95
95
Intelligence92
85
Value82
88
Ecosystem95
90
Safety92
92
Design88
Specs Comparison
| Spec | S8 MaxV Ultra | Roomba Combo j9+ |
|---|---|---|
| Price | $1,399 | $799 |
| Noise Db | 67 | 65 |
| Dustbin Ml | 400 | 400 |
| Navigation | LiDAR + dual camera AI | PrecisionVision + iAdapt 3.0 |
| Smart Home | Alexa, Google, Siri | Alexa, Google, Matter |
| Suction Pa | 6000 | 5000 |
| Battery Min | 180 | 120 |
| Water Tank Ml | 300 | 300 |
Buyer Intelligence
| Metric | S8 MaxV Ultra | Roomba Combo j9+ |
|---|---|---|
| Vendor Health Score | — | — |
| 5-Year TCO Estimate | $1,959 | $1,119 |
| Annual Maintenance | — | — |
| Support Model | — | — |
| Safety Certifications | — | — |