Robot Vacuums · Head to head

iRobot Roomba Plus 505 vs Roborock Saros 20

Full Robot Vacuums comparison in 2026

Updated August 2026
Data from Amazon and official iRobot and Roborock sites.
2026 verdict
Suction and runtime give the Roborock Saros 20 the win over the iRobot Roomba Plus 505 in this robot vacuum matchup.
Roborock Saros 20
Winner
Roborock Saros 20
$1389.99$1599.9913% OFF
Buy on Amazon USA
The Saros 20 cleans with notably stronger suction and runs longer per charge, while the iRobot Roomba Plus 505 remains the more affordable pick and still ships with its own AutoWash dock that washes and dries its spinning mop pads. Both use LiDAR mapping, no-go zones and a self-emptying dock, so daily upkeep looks alike either way. Buyers who want stronger suction and a longer runtime should choose the Roborock Saros 20; anyone shopping on a budget should consider the iRobot Roomba Plus 505.
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FeatureiRobot Roomba Plus 505Roborock Saros 20Winner
Price$499.00$1389.99iRobot Roomba Plus 505
Battery Life120 minutes200 minutesRoborock Saros 20
Suction Power7000Pa36000PaRoborock Saros 20
Rating4.24.2Tie
Warranty1 year1 yearTie
Auto RechargeYESYESTie
Connectivity2.4 GHz WiFi, 5 GHz WiFi2.4 GHz WiFi, 5 GHz WiFiTie
IntegrationsGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterTie
Navigation TypeLaser (LiDAR)Laser (LiDAR)Tie
Obstacle DetectionYESYESTie
Cliff DetectionYESYESTie
Multi-Room MappingYESYESTie

Frequently Asked Questions

Which is better overall: iRobot Roomba Plus 505 or Roborock Saros 20?

The Roborock Saros 20 wins overall with stronger suction and a longer battery life. The iRobot Roomba Plus 505 wins on price.

What is the biggest difference between the iRobot Roomba Plus 505 and the Roborock Saros 20?

Suction power. The Saros 20 cleans with notably stronger suction than the Roomba Plus 505, even though both use LiDAR mapping and a self-washing, self-emptying dock.

Does the iRobot Roomba Plus 505 wash its own mop pads?

Yes, its AutoWash dock automatically washes and dries the spinning mop pads between cleaning runs, similar to the Roborock Saros 20's dock.

Which one runs longer per charge?

The Roborock Saros 20 has a longer battery life than the iRobot Roomba Plus 505, which helps it cover more of a home in a single run.

Who should buy the Roborock Saros 20?

Buyers who want stronger suction and a longer battery life should choose the Roborock Saros 20.

Who should buy the iRobot Roomba Plus 505?

Choose the iRobot Roomba Plus 505 if you want a self-washing mop dock at a more affordable price.

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