Robot Vacuums · Head to head

Roborock Qrevo Edge S5A vs Roborock Saros 20 Flow

Full Robot Vacuums comparison in 2026

Updated September 2026
Data from Amazon and official Roborock site.
2026 verdict
Suction is the only spec that breaks this Roborock tie, and the Roborock Saros 20 Flow is the better robot vacuum at 36000Pa versus 18500Pa on the Roborock Qrevo Edge S5A.
Roborock Saros 20 Flow
Winner
Roborock Saros 20 Flow
$1699.99
Buy on Amazon USACheck price
Both mop, wash pads, self-empty and use LiDAR. The Roborock Qrevo Edge S5A is the more affordable Edge-class body. Take the Roborock Saros 20 Flow when flagship pickup is the reason to buy, and the Roborock Qrevo Edge S5A when you want most of the same dock at the lower price.
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FeatureRoborock Qrevo Edge S5ARoborock Saros 20 FlowWinner
Price$999.99$1699.99Roborock Qrevo Edge S5A
Suction Power18500Pa36000PaRoborock Saros 20 Flow
Rating4.24.2Tie
Warranty1 year1 yearTie
Auto RechargeYESYESTie
Connectivity2.4 GHz WiFi2.4 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
No-Go ZonesYESYESTie

Frequently Asked Questions

Which is better overall: Roborock Qrevo Edge S5A or Roborock Saros 20 Flow?

The Roborock Saros 20 Flow is better overall. The scored gap is suction: 36000Pa versus 18500Pa on the Roborock Qrevo Edge S5A.

What is the biggest difference between Roborock Qrevo Edge S5A and Roborock Saros 20 Flow?

Pickup class. The Roborock Saros 20 Flow is rated at 36000Pa. The Roborock Qrevo Edge S5A is rated at 18500Pa and is the more affordable of the two.

Do both of these robot vacuums mop and self-empty?

Yes. The Roborock Qrevo Edge S5A and the Roborock Saros 20 Flow both mop, wash and dry pads and self-empty.

Who should buy the Roborock Saros 20 Flow?

Buy the Roborock Saros 20 Flow if you want the current Roborock suction ceiling and will pay flagship money for it.

Who should buy the Roborock Qrevo Edge S5A?

Buy the Roborock Qrevo Edge S5A if you want an Edge-class mopping dock at the lower price and 18500Pa is enough for your floors.

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