Robot Vacuums · Head to head

iRobot Roomba Plus 405 vs iRobot Roomba Plus 415 Combo Robot + AutoWash Dock

Full Robot Vacuums comparison in 2026

Updated September 2026
Data from Amazon and official iRobot site.
2026 verdict
iRobot Roomba Plus 415 Combo Robot + AutoWash Dock wins the 2026 matchup against iRobot Roomba Plus 405, mainly on price, rating, and battery life.
It separates itself most clearly on price, rating, and battery life, while still looking better on suction power. There is still a case for iRobot Roomba Plus 405, but mainly if its specific feature mix is what you value most. That is why iRobot Roomba Plus 415 Combo Robot + AutoWash Dock wins the verdict here.
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FeatureiRobot Roomba Plus 405iRobot Roomba Plus 415 Combo Robot + AutoWash DockWinner
Price$699.95$599.99iRobot Roomba Plus 415 Combo Robot + AutoWash Dock
Rating3.94.2iRobot Roomba Plus 415 Combo Robot + AutoWash Dock
Battery Life120 minutes202 minutesiRobot Roomba Plus 415 Combo Robot + AutoWash Dock
Suction Power7000Pa20000PaiRobot Roomba Plus 415 Combo Robot + AutoWash Dock
Warranty1 year1 yearTie
Auto RechargeYESYESTie
Connectivity2.4 GHz WiFi, 5 GHz WiFi2.4 GHz WiFi, 5 GHz WiFiTie
IntegrationsGoogle Home, AlexaGoogle Home, AlexaTie
Navigation TypeLaser (LiDAR)Laser (LiDAR)Tie
Obstacle DetectionYESYESTie
Cliff DetectionYESYESTie
Multi-Room MappingYESYESTie

Frequently Asked Questions

Which is better overall: iRobot Roomba Plus 405 or iRobot Roomba Plus 415 Combo Robot + AutoWash Dock?

iRobot Roomba Plus 415 Combo Robot + AutoWash Dock has the stronger overall profile in this comparison, especially for price, rating, and battery life.

What is the biggest difference between iRobot Roomba Plus 405 and iRobot Roomba Plus 415 Combo Robot + AutoWash Dock?

Price is one of the clearest differences: iRobot Roomba Plus 405 lists $699.95, while iRobot Roomba Plus 415 Combo Robot + AutoWash Dock lists $599.99.

Which one looks better on price?
Who should buy iRobot Roomba Plus 405?

Choose iRobot Roomba Plus 405 if your priority is its specific strengths and that matters more than price.

Who should buy iRobot Roomba Plus 415 Combo Robot + AutoWash Dock?

Choose iRobot Roomba Plus 415 Combo Robot + AutoWash Dock if your priority is price and rating and that matters more than the competing advantages.

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