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Robot Vacuums · Head to head

Narwal Flow 2 vs Roborock Saros 20 Sonic

Full Robot Vacuums comparison in 2026

Updated September 2026
Data from Amazon and official Narwal and Roborock sites.
2026 verdict
Between Roborock Saros 20 Sonic and Narwal Flow 2, Roborock Saros 20 Sonic is the better overall pick in 2026, leading on rating, suction power, and dock dustbin capacity.
Roborock Saros 20 Sonic
Winner
Roborock Saros 20 Sonic
$1499.99$1699.9912% OFF
Buy on Amazon USACheck price
It separates itself most clearly on rating, suction power, and dock dustbin capacity, while still looking better on its broader overall balance. Narwal Flow 2 is still relevant if you care most about battery life and water tank capacity, but Roborock Saros 20 Sonic is the stronger recommendation overall. For the average buyer, Roborock Saros 20 Sonic is the safer choice.
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FeatureNarwal Flow 2Roborock Saros 20 SonicWinner
Rating4.04.2Roborock Saros 20 Sonic
Battery Life275 minutes190 minutesNarwal Flow 2
Suction Power31000Pa36000PaRoborock Saros 20 Sonic
Water Tank Capacity130ml4LNarwal Flow 2
Dock Dustbin Capacity2.5L2.7LRoborock Saros 20 Sonic
Price$1499.99$1499.99Tie
Auto RechargeYESYESTie
Connectivity2.4 GHz WiFi2.4 GHz WiFi, 5 GHz WiFi, BluetoothTie
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
Multi-Room MappingYESYESTie

Price history compared

Every price change of both, in the same store, so the gap between the two lines is what one costs more than the other.

  • Narwal Flow 2
  • Roborock Saros 20 Sonic

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Frequently Asked Questions

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

Roborock Saros 20 Sonic has the stronger overall profile in this comparison, especially for rating, suction power, and dock dustbin capacity.

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

Rating is one of the clearest differences: Narwal Flow 2 lists 4.0, while Roborock Saros 20 Sonic lists 4.2.

Which one looks better on price?

Narwal Flow 2 is listed at $1499.99, while Roborock Saros 20 Sonic is listed at $1499.99. Tie.

Who should buy Narwal Flow 2?

Choose Narwal Flow 2 if your priority is battery life and water tank capacity and that matters more than rating.

Who should buy Roborock Saros 20 Sonic?

Choose Roborock Saros 20 Sonic if your priority is rating and suction power and that matters more than battery life.

Full comparison table

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