The iRobot Roomba 650 vs iRobot Roomba 675 comparison proves that these robot vacuums have many common features. Based on our rating, both robot vacuums have the same overall rating of 6.5.
A noticeable difference between two models is the size, which is 34 x 9.1/13.4 x 3.6 (D x H) cm/inches for the Roomba 650 and 42 x 14/16.5 x 5.5 (D x H) cm/inches for the Roomba 675. The weight of the Roomba 650 is 5.3/11.7 kg/lbs, and for the Roomba 675 it is 3.5/7.8 kg/lbs.
The iRobot Roomba 650 is better robot vacuums in this comparison. Check iRobot Roomba 650 price