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Robot vacuums

iRobot Roomba Plus 515 Combo + AutoWash Dock vs iRobot Roomba Plus 678 Combo + AutoWash Dock

iRobot Roomba Plus 515 Combo + AutoWash Dock costs $699.99, against $899.99 for iRobot Roomba Plus 678 Combo + AutoWash Dock.UK prices for these two aren't verified yet.EU prices for these two aren't verified yet.

Self-emptying: yes, up to 3 months (iRobot) on iRobot Roomba Plus 515 Combo + AutoWash Dock, yes, up to 90 days (iRobot) on iRobot Roomba Plus 678 Combo + AutoWash Dock.

Mop: Two spinning pads (DualClean) on iRobot Roomba Plus 515 Combo + AutoWash Dock, Roller mop (PowerSpin) on iRobot Roomba Plus 678 Combo + AutoWash Dock.

iRobot Roomba Plus 515 Combo + AutoWash Dock and iRobot Roomba Plus 678 Combo + AutoWash Dock, side by side
iRobot Roomba Plus 515 Combo + AutoWash DockiRobot Roomba Plus 678 Combo + AutoWash Dock
Price$699.99Not verifiedNot verified$899.99Not verifiedNot verified
NavigationLiDAR (ClearView)LiDAR (ClearView Pro) with PrecisionVision AI
Self-emptyingyes, up to 3 months (iRobot)yes, up to 90 days (iRobot)
MopTwo spinning pads (DualClean)Roller mop (PowerSpin)
ClimbsNot listed3.5 cm
See iRobot Roomba Plus 515 Combo + AutoWash DockSee iRobot Roomba Plus 678 Combo + AutoWash Dock

Prices checked November 7, 2026.

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