iRobot Roomba Max 705 Combo vs Roborock Saros 20 Flow

The Roborock Saros 20 Flow, for its 36,000 Pa of suction, up to 301 minutes of runtime, lower body and faster recharge. The iRobot Roomba Max 705 Combo is the more affordable one and the only one that joins 5 GHz Wi-Fi, and both share the same dock routine and platform support.

Suction and runtime. The Roborock Saros 20 Flow is rated at 36,000 Pa and up to 301 minutes, close to three times the 13,000 Pa and about two and a half times the 120 minutes of the iRobot Roomba Max 705 Combo, though the iRobot is the one with 5 GHz Wi-Fi.

Yes, in function. Both docks empty the robot's bin, wash and dry the mop and dispense cleaning solution automatically, and both robots mop and lift the mop on carpet. The iRobot also adds automatic detergent dosing.

The iRobot Roomba Max 705 Combo lists both 2.4 GHz and 5 GHz Wi-Fi, plus Bluetooth. The Roborock Saros 20 Flow documents only 2.4 GHz, and Roborock does not document Bluetooth for it.

Buyers who need 5 GHz Wi-Fi, want the AutoWash dock, and can check the model's reliability record and return policy carefully, since a share of owners report errors and leaks.

Homes with a large floor plan or low furniture that want the strongest suction and the longest runtime, and buyers who prefer a faster recharge over dual-band Wi-Fi.