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If you’re in the market for a robot vacuum and want to invest in the best, you are probably considering the iRobot Roomba S9plus and roborock S4. Based on our rating, Roomba S9plus has the overall rating of 8.5 out of 10 versus 9 for S4.
Advantages iRobot Roomba S9plus over roborock S4
Advantages roborock S4 over iRobot Roomba S9plus
- Lower noise level, 68 dB vs 70 dB
- Larger dust bin capacity, 420 ml vs 400 ml
- Washable filter
- Better battery life, 150 min vs 60 min
Common features and specifications
- The same suction power: 2000 PA
- Both robot vacuums are Wi-Fi enabled
- Dry cleaning mode
- A Virtual Wall creates an invisible barrier that robot vacuums won't cross
- Both robot vacuums use smart path planning to clean more efficient
- One side brush
- Single room mode
- Intensive clean mode
Dimensions
A noticeable difference between two models is the size, which is 30.9 x 8.8/12.2 x 3.5 (D x H) cm/inches for the Roomba S9plus and 35 x 9.1/13.8 x 3.6 (D x H) cm/inches for the S4. The weight of the Roomba S9plus is 3.6/8.1 kg/lbs, and for the S4 it is 3.1/7 kg/lbs.