Dreame L40 Ultra Gen 2 vs iRobot Roomba 205

The Dreame L40 Ultra Gen 2 is the more capable robot. It vacuums and mops, has much more suction, runs far longer, self-empties and self-washes, and carries a three-year warranty. The iRobot Roomba 205 is the simpler, more affordable vacuum-only pick with dual-band Wi-Fi.

The mop and the dock. The Dreame L40 Ultra Gen 2 mops and returns to a station that empties the bin and washes and dries the pads, while the iRobot Roomba 205 is a vacuum-only robot with no mop and no dock.

The Dreame L40 Ultra Gen 2 comes with a three-year warranty, while the iRobot Roomba 205 is covered for one year. That is one of the clearest advantages the Dreame holds over the iRobot.

Yes. Its dock empties the dustbin, washes the mop pads and dries them with hot air, so the routine upkeep is minimal. Note that the auto-detergent dispenser is sold separately rather than included.

A small home or apartment that only needs dry cleaning, where a compact base, no bags, no water and dual-band Wi-Fi matter more than mopping and a self-emptying dock.

A larger home with mixed floors and pets that wants one robot to vacuum, mop and maintain itself, with a three-year warranty, and can accept 2.4 GHz-only Wi-Fi.