18% OFF
$659.40
$799.99
Updated November 2026
Data from the official iRobot site.
2026 verdict
For most buyers in 2026, iRobot Roomba Plus 575 Combo Robot + AutoWash Dock is the safer pick over iRobot Roomba Plus 405 because of price, rating, and battery life.
It has the clearer edge on price, rating, and battery life, and it stays ahead on suction power. iRobot Roomba Plus 405 is still relevant if you care most about connectivity, but iRobot Roomba Plus 575 Combo Robot + AutoWash Dock is the stronger recommendation overall. That makes iRobot Roomba Plus 575 Combo Robot + AutoWash Dock the clearer recommendation in 2026.
Works with
Connectivity
- Wi-Fi 2.4/5 GHz
- Bluetooth
vs
Winner
38% OFF
$499.99
$799.99
Works with
Connectivity
- Wi-Fi 2.4 GHz
- Bluetooth
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The biggest differences
Where these two are furthest apart, and by how much.
- Suction Power3.6×iRobot Roomba Plus 575 Combo Robot + AutoWash Dock25000Pa vs 7000Pa
- Battery Life+11%iRobot Roomba Plus 575 Combo Robot + AutoWash Dock200 minutes vs 180 minutes
| Feature | iRobot Roomba Plus 405 | iRobot Roomba Plus 575 Combo Robot + AutoWash Dock | Winner |
|---|---|---|---|
| Price | $659.40 | $499.99 | iRobot Roomba Plus 575 Combo Robot + AutoWash Dock |
| Rating | 3.2 | 4.2 | iRobot Roomba Plus 575 Combo Robot + AutoWash Dock |
| Battery Life | 180 minutes | 200 minutes | iRobot Roomba Plus 575 Combo Robot + AutoWash Dock |
| Connectivity | 2.4 GHz WiFi, 5 GHz WiFi, Bluetooth | 2.4 GHz WiFi, Bluetooth | iRobot Roomba Plus 405 |
| Suction Power | 7000Pa | 25000Pa | iRobot Roomba Plus 575 Combo Robot + AutoWash Dock |
| Warranty | 1 year | 1 year | Tie |
| Auto Recharge | YES | YES | Tie |
| Integrations | Google Home, Alexa | Google Home, Alexa | Tie |
| Navigation Type | Laser (LiDAR) | Laser (LiDAR) | Tie |
| Obstacle Detection | YES | YES | Tie |
| Cliff Detection | YES | YES | Tie |
| Multi-Room Mapping | YES | YES | Tie |
18% OFF
$659.40
$799.99
- + Connectivity: 2.4 GHz WiFi, 5 GHz WiFi, Bluetooth
- - Price: $659.40 vs $499.99
- - Rating: 3.2 vs 4.2
Winner
38% OFF
$499.99
$799.99
- + Price: $499.99
- + Rating: 4.2
- + Battery Life: 200 minutes
- - Connectivity: 2.4 GHz WiFi, Bluetooth vs 2.4 GHz WiFi, 5 GHz WiFi, Bluetooth
Frequently Asked Questions
Which is better overall: iRobot Roomba Plus 405 or iRobot Roomba Plus 575 Combo Robot + AutoWash Dock?
iRobot Roomba Plus 575 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 575 Combo Robot + AutoWash Dock?
Price is one of the clearest differences: iRobot Roomba Plus 405 lists $659.40, while iRobot Roomba Plus 575 Combo Robot + AutoWash Dock lists $499.99.
Which one looks better on price?
iRobot Roomba Plus 405 is listed at $659.40, while iRobot Roomba Plus 575 Combo Robot + AutoWash Dock is listed at $499.99. iRobot Roomba Plus 575 Combo Robot + AutoWash Dock (better spec).
Who should buy iRobot Roomba Plus 405?
Choose iRobot Roomba Plus 405 if your priority is connectivity and that matters more than price.
Who should buy iRobot Roomba Plus 575 Combo Robot + AutoWash Dock?
Choose iRobot Roomba Plus 575 Combo Robot + AutoWash Dock if your priority is price and rating and that matters more than connectivity.
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