iRobot Roomba 205 vs Shark Stratos NeverTouch RV2720ZE

The Shark Stratos NeverTouch RV2720ZE wins overall because it mops and self-empties, neither of which the iRobot Roomba 205 does. The Roomba 205 counters with a lower price, longer battery life and broader Wi-Fi band support.

Mopping and self-emptying. The Shark Stratos NeverTouch RV2720ZE does both automatically at its dock, while the iRobot Roomba 205 is vacuum-only and uses an internal DustCompactor instead of a self-emptying dock.

Not in the traditional sense. It compacts debris internally so the bin needs emptying less often, but there's no self-emptying dock like the Shark Stratos NeverTouch RV2720ZE has.

The iRobot Roomba 205, which supports both 2.4GHz and 5GHz Wi-Fi. The Shark Stratos NeverTouch RV2720ZE connects only over 2.4GHz.

Buyers who only need vacuuming, want to avoid a bulky dock, and prefer to save money.

Buyers who want vacuuming and mopping combined, with automatic mop washing, drying and bin emptying handled at the dock.