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Robot Vacuum 5 or Saros 20?

Robot Vacuum 5 is best suited to homes prioritising smart mapped cleaning and automated vacuum and mop; 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 Robot Vacuum 5 if...

Homes prioritising smart mapped cleaning and automated vacuum and mop.

Main compromise: buyers who need a robot that is available to buy immediately.
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.

SpecificationXiaomi Robot Vacuum 5Roborock Saros 20
Claimed suctionExtraordinary 20000Pa fan blower suction power—
NavigationdToF Smart Retractable Radar with S-Cross™ structured light obstacle avoidanceStarSight Autonomous System 2.0
DockSelf-cleaning base station, up to 80°C hot-water washing, 2-hour rapid hot air drying, 4L clean water tank, 2.5L dust bagBrand-New RockDock with hot-water self-cleaning: 100°C hot-water mop washing, 55°C hot-air drying, auto-emptying, automatic water refilling
MoppingExtendable dual-extension mop pad; ultrasonic carpet detection with 15mm liftRotating mop module with FlexiArm edge and corner cleaning
Battery5200mAh—
Run time140 minutes of continuous cleaning—
HeightMinimum accessible height 9.5cm—
Cleaning system—Vacuum and mop
Body height—7.98cm
Launch date—24 August 2026

Official product sources

Head-to-heads we have written

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

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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.

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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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