We would like to share our experience after comparing and testing two robot vacuums – iRobot Roomba 614 vs iRobot Roomba i7+. Based on our rating, Roomba 614 has the overall rating of 5.7 out of 10 versus 8.2 for Roomba i7+.
A noticeable difference between two models is the size, which is 43.1 x12.7/'17 x 5 (D x H) cm/inches for the Roomba 614 and 33.7 x 9.1/13.3 x 3.6 (D x H) cm/inches for the Roomba i7+. The weight of the Roomba 614 is 5.2/11.5 kg/lbs, and for the Roomba i7+ it is 3.3/7.4 kg/lbs.
The iRobot Roomba i7+ is better robot vacuum in this comparison. Check iRobot Roomba i7+ price