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Head to head · Robot vacuums

Roborock Saros 20 vs Dreame X50 Ultra

Roborock Saros 20 or Dreame X50 Ultra? Verdict Scores 87 and 84. The Saros 20: suction 36,000 vs 20,000 Pa, mop wash temperature 100 vs 80 °C.

Manufacturers' published figures, scored by the same engine as the rankings. Nothing here is from a test we ran. · Updated

Verdict

The Roborock Saros 20 has the higher Verdict Score, 87 to 84.

The Roborock Saros 20 has the edge in cleaning, obstacle avoidance and value. The Dreame X50 Ultra has the edge in automation and reliability.

In the manufacturers' published figures the Roborock Saros 20 is ahead on 3 rows: suction (36,000 Pa against 20,000 Pa), threshold climb (45 mm against 42 mm) and mop wash temperature (100 °C against 80 °C). No published figure puts the Dreame X50 Ultra ahead.

At $1,600 against $900, the Dreame X50 Ultra is the cheaper of the two. The Roborock Saros 20 suits homes with a mix of hard floors and carpet. The Dreame X50 Ultra suits homes with sills and low furniture on a mid-range budget.

This comparison is computed from our specification database and is not edited individually. Method: specification analysis of the makers' published figures, explained on our scoring and editorial policy pages.

Roborock
Roborock Saros 20$1,600
Dreame
Dreame X50 Ultra$900

Where the Roborock Saros 20 is ahead

  • Cleaning93 · 82
  • Obstacle Avoidance100 · 95
  • Value40 · 37
  • Suction36,000 Pa · 20,000 Pa
  • Threshold climb45 mm · 42 mm
  • Mop wash temperature100 °C · 80 °C

Where the Dreame X50 Ultra is ahead

  • Automation90 · 89
  • Reliability67 · 60

Subscores are from our engine; the specification rows are the manufacturers' published figures, listed only where the better direction is beyond argument.

Where to buy

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Full specification, side by side

Compare
Roborock
Roborock Saros 20
Dreame
Dreame X50 Ultra
Roborock Saros 20
Roborock press image
Dreame X50 Ultra
Dreame press image
$1,600Price in the manufacturer's shop
$900Price in the manufacturer's shop
Highest Verdict Score

Shop links are affiliate links: a purchase through them may earn RoboVerdict a commission, which never changes a ranking.

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At a glance
Leads on
  • Cleaning
  • Obstacle Avoidance
  • Value
  • Automation
  • Reliability
Pros
  • Solid-state 3D sensing with no turret: 80 mm tall and still maps in the dark
  • Leaves the mop on the dock for carpet and lifts the chassis over 30 mm of pile
  • 36,000 Pa with a fully anti-tangle brush and an extending side brush
  • Legs for 4.2 cm sills and 6 cm double steps, with a retracting turret
  • 89 mm with the turret down
  • Full sheet: 395 ml bin, 6,400 mAh, 220 minutes, 205 m²
Cons
  • Roborock publishes neither the dustbin nor the water tank capacity
  • One year of warranty
  • No plumbed drain: the dirty-water tank is still emptied by hand
  • 20,000 Pa, less than half of what the X60 Pro claims
  • No noise figure or water tank size
  • One AI camera plus structured light rather than two cameras
Best for
  • Homes with a mix of hard floors and carpet
  • Low furniture that a LiDAR turret cannot fit under
  • Homes with sills and low furniture on a mid-range budget
  • Buyers who want a complete specification, not a marketing sheet
Score breakdown
Verdict Score87/10084/100
Cleaning
93
82
Navigation
94
94
Mopping
92
92
Obstacle Avoidance
100
95
Automation
89
90
Ease of Use
94
94
Reliability
60
67
Value
40
37
Specifications

In green: the better figure where the direction is beyond argument, such as more lawn or less noise. Where it depends on your home, nothing is marked.

Cleaning
Suction36,000 Pa20,000 Pa
Brush systemTangle-resistantTangle-resistant
Side brushes11
Carpet boostYesNo
DustbinNot published395 ml
Navigation
MappingSolid-state 3D ToF + cameraRetracting LiDAR
Obstacle avoidanceCamera + depth sensorCamera + depth sensor
Saved floor plansNot publishedNot published
Threshold climb45 mm42 mm
Height with the turret raisedNot published111 mm
Mopping
Mop typeTwin spinning padsTwin spinning pads
Mop liftDetaches for carpetDetaches for carpet
Extending mopYesYes
Water tankNot publishedNot published
Mop reachNot publishedPad extends 4 cm; side brush extends
Dock
Self-emptyingYesYes
Mop washingYesYes
Mop wash temperature100 °C80 °C
Mop dryingYesYes
Water refillYesYes
Plumbed drainNoNo
Dust bag intervalNot published100 days
Warm-air drying131 °F / 55 °CNot published
Detergent dispensingAutomaticNot published
Wash temperature settingsNot publishedUp to 80 °C, four settings
UV treatmentNot publishedTwo UV lamps, on the mops and the dust bag opening
Dock size and weightNot published457 × 340 × 590 mm, 9.09 kg
Software
No-go zonesYesYes
Pet recognitionYesNo
Power
Battery6,400 mAh6,400 mAh
RuntimeNot published3 h 40 min
Charging timeNot publishedNot published
Area per chargeNot published205 m², quiet vacuuming
Connectivity
Wi-FiYesYes
BluetoothYesNo
4G / LTENoNo
Voice controlYesYes
Physical
WeightNot published4.53 kg
L × W × HNot published350 × 350 × 89 mm
NoiseNot publishedNot published
Support
Warranty12 monthsNot published
Released20262025
Chassis
Carpet pile cleared1.18 in / 30 mmNot published
Double-step thresholdNot published6 cm
Brush liftNot publishedMain brush 5 mm, side brush 10 mm
Obstacles
Recognised object types300+Not published
Recognised obstacle typesNot published200

Also worth a look

  • Dreame

    Dreame X50 Master

    The X50 Ultra robot on a plumbed 249 mm dock: 20,000 Pa, legs for a 4.2 cm sill, a LiDAR that retracts to 89 mm, an 80 °C wash, 220 minutes a charge and a 3-year warranty.

  • Dreame

    Dreame L50 Ultra

    Dreame's ProLeap legs on a fixed-LiDAR L robot: 19,500 Pa, a 4.2 cm sill or 6 cm double step, an RGB camera with structured light, pads that lift and detach, a 75 °C wash, 200 minutes a charge.

  • Dreame

    Dreame L60 Pro Ultra

    The L60 with legs: 35,000 Pa, ProLeap legs for 8.8 cm double-layer thresholds, a LiDAR that retracts to 89 mm, 280 object types, mops with 40 °C water, and a 6,400 mAh battery for 220 minutes.

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