Robot Vacuums · Head to head

Roborock Qrevo Curv 2 Flow vs Roborock Saros 20 Sonic

Full Robot Vacuums comparison in 2026

Updated September 2026
Data from Amazon and official Roborock site.
2026 verdict
Roborock Qrevo Curv 2 Flow beats Roborock Saros 20 Sonic in 2026, with its clearest edge on price, rating, and battery life.
It has the clearer edge on price, rating, and battery life, and it stays ahead on onboard dustbin capacity. Roborock Saros 20 Sonic still makes sense if connectivity and suction power are your priority, but most buyers should still lean toward Roborock Qrevo Curv 2 Flow. In practical terms, Roborock Qrevo Curv 2 Flow is the easier product to recommend.
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FeatureRoborock Qrevo Curv 2 FlowRoborock Saros 20 SonicWinner
Price$699.99$1499.99Roborock Qrevo Curv 2 Flow
Rating4.34.2Roborock Qrevo Curv 2 Flow
Battery Life242 minutes190 minutesRoborock Qrevo Curv 2 Flow
Connectivity2.4 GHz WiFi2.4 GHz WiFi, 5 GHz WiFi, BluetoothRoborock Saros 20 Sonic
Suction Power20000Pa36000PaRoborock Saros 20 Sonic
Onboard Dustbin Capacity325ml228mlRoborock Qrevo Curv 2 Flow
Warranty1 year1 yearTie
Auto RechargeYESYESTie
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

Frequently Asked Questions

Which is better overall: Roborock Qrevo Curv 2 Flow or Roborock Saros 20 Sonic?

Roborock Qrevo Curv 2 Flow has the stronger overall profile in this comparison, especially for price, rating, and battery life.

What is the biggest difference between Roborock Qrevo Curv 2 Flow and Roborock Saros 20 Sonic?

Price is one of the clearest differences: Roborock Qrevo Curv 2 Flow lists $699.99, while Roborock Saros 20 Sonic lists $1499.99.

Which one looks better on price?

Roborock Qrevo Curv 2 Flow is listed at $699.99, while Roborock Saros 20 Sonic is listed at $1499.99. Roborock Qrevo Curv 2 Flow (better spec).

Who should buy Roborock Qrevo Curv 2 Flow?

Choose Roborock Qrevo Curv 2 Flow if your priority is price and rating and that matters more than connectivity.

Who should buy Roborock Saros 20 Sonic?

Choose Roborock Saros 20 Sonic if your priority is connectivity and suction power and that matters more than price.

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