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Robot Vacuum S20 or Saros 20?

Robot Vacuum S20 is best suited to homes prioritising laser-guided mapping and combined 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 S20 if...

Homes prioritising laser-guided mapping and combined 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 S20Roborock Saros 20
Claimed suction5,000Pa—
NavigationLDS laser navigation systemStarSight Autonomous System 2.0
Mopping400ml dustbin and 270ml water tankRotating mop module with FlexiArm edge and corner cleaning
Cleaning system—Vacuum and mop
Body height—7.98cm
Launch date—24 August 2026
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

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.

Read the head-to-head vsDreame X50 Ultra vs Roborock Saros 10

Buy the Roborock Saros 10 unless you need the climb.

Read the head-to-head vseufy Omni E25 vs Omni C28

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.

Read the head-to-head vsRoborock Qrevo Curv 2 Pro vs Qrevo S Pro

Start with the Qrevo S Pro.

Read the head-to-head vsMammotion LUBA 3 AWD vs Husqvarna Automower 405VE NERA

Buy the LUBA 3 AWD for difficult ground.

Read the head-to-head