Dyson Big Ball Multi Floor vs Kenmore Elite 21814 comparison definitely makes sense. Based on our rating, Big Ball Multi Floor has the overall rating of 7.8 out of 10 versus 8.8 for Elite 21814. Difference between two canister vacuums is the cleaning system, which is cyclonic for the Big Ball Multi Floor and multi-level for the Elite 21814. Big Ball Multi Floor is bagless and Elite 21814 is bagged.
A noticeable difference between two models is the size, which is 30.7 x 39.9 x 34.8/12.1 x 15.7 x 13.7 (H x W x D) cm/inches for the Big Ball Multi Floor and 70.6 x 45.4 x 35.5/27.8 x 17.9 x 14 (H x W x D) cm/inches for the Elite 21814. The weight of the Big Ball Multi Floor is 8/17.64 kg/lbs, and for the Elite 21814 it is 13.4/29.6 kg/lbs.