The iRobot Roomba S9plus vs roborock S6 comparison proves that these robot vacuums have many common features. Based on our rating, Roomba S9plus has the overall rating of 8.5 out of 10 versus 9.5 for S6.
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 S6. The weight of the Roomba S9plus is 3.6/8.1 kg/lbs, and for the S6 it is 15.5/7 kg/lbs.
The roborock S6 is better robot vacuum in this comparison. Check roborock S6 price