An affordable robot vacuum is always a good option to consider, so iRobot Roomba 614 vs iRobot Roomba 880 comparison definitely makes sense. Based on our rating, Roomba 614 has the overall rating of 5.7 out of 10 versus 6.2 for Roomba 880.
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 35.3 x 9.1/13.9 x 3.6 (D x H) cm/inches for the Roomba 880. The weight of the Roomba 614 is 5.2/11.5 kg/lbs, and for the Roomba 880 it is 3.8/8.4 kg/lbs.