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Choose any two products to compare local price, specifications, strengths, weaknesses and practical ownership.

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Comparison view

Flow or Saros 20?

Flow is best suited to homes prioritising track-style flowwash mop and ai obstacle avoidance; Saros 20 is best suited to early adopters who want roborock's newest premium floor-care system. Compare their features and compromises below.

ProductLocal priceStatus
Choose Flow if...

Homes prioritising track-style flowwash mop and ai obstacle avoidance.

Main compromise: buyers who want a basic vacuum without mopping, advanced navigation or dock automation.
Choose Saros 20 if...

Early adopters who want Roborock's newest premium floor-care system.

Main compromise: buyers who want a lower-cost robot or a compact dock.

Side by side

The meaningful differences.

SpecificationNarwal FlowRoborock Saros 20
Cleaning system—Vacuum and mop
Body height—7.98cm
Launch date—24 August 2026
Navigation—StarSight Autonomous System 2.0
Dock—Brand-New RockDock with hot-water self-cleaning: 100°C hot-water mop washing, 55°C hot-air drying, auto-emptying, automatic water refilling
Mopping—Rotating mop module with FlexiArm edge and corner cleaning

Official product sources

Head-to-heads we have written

The comparisons people ask for most, with a verdict, the verified specifications and both prices.

vsRoborock Saros 10 vs Saros 20

Buy the Saros 10.

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Buy the Roborock Saros 10 unless you need the climb.

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Buy the C28 and save £150.

Read the head-to-head vseufy E15 vs C15 robot lawn mower

Buy the C15 if your lawn is under 500m² and reasonably flat — it is £500 cheaper, in stock, and has the most completely verified specification of any mower we researched.

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Start with the Qrevo S Pro.

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Buy the LUBA 3 AWD for difficult ground.

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