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

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Comparison view

D30 Ultra or Saros 20?

D30 Ultra is best suited to homes prioritising all-in-one cleaning dock and vacuum-and-mop automation; 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 D30 Ultra if...

Homes prioritising all-in-one cleaning dock and vacuum-and-mop automation.

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.

SpecificationDreame D30 UltraRoborock Saros 20
Claimed suction25,000Pa Vormax with 6th-generation TurboForce motor—
Navigation3DAdapt obstacle avoidance with dynamic laser navigation; up to 4 mapsStarSight Autonomous System 2.0
DockPowerDock: auto-empty into a 3.2L bag lasting up to 100 days, automatic mop cleaning, 50°C hot-air dryingBrand-New RockDock with hot-water self-cleaning: 100°C hot-water mop washing, 55°C hot-air drying, auto-emptying, automatic water refilling
MoppingDuoScrub dual rotating pads at 160rpm and 6N downforce; MopExtend RoboSwing extends 4 cm for edges; 10.5 mm mop lift for carpetRotating mop module with FlexiArm edge and corner cleaning
Battery5200mAh—
Run time230 minutes—
Threshold clearance20 mm—
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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