Head to head · Robot vacuums

Roborock Saros 20 vs Dreame L50 Pro Ultra

Roborock Saros 20 or Dreame L50 Pro Ultra? Verdict Scores 87 and 81. The Saros 20: threshold climb 45 vs 22 mm, suction 36,000 vs 19,500 Pa.

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 81.

The Roborock Saros 20 has the edge in cleaning, navigation and value. The Dreame L50 Pro 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 19,500 Pa), threshold climb (45 mm against 22 mm) and mop wash temperature (100 °C against 75 °C). No published figure puts the Dreame L50 Pro Ultra ahead.

The Roborock Saros 20 suits homes with a mix of hard floors and carpet. The Dreame L50 Pro Ultra suits flats with low sofas and beds where 89.5 mm decides coverage.

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 L50 Pro Ultra≈ $740

Where the Roborock Saros 20 is ahead

  • Cleaning93 · 82
  • Navigation94 · 84
  • Value40 · 25
  • Suction36,000 Pa · 19,500 Pa
  • Threshold climb45 mm · 22 mm
  • Mop wash temperature100 °C · 75 °C

Where the Dreame L50 Pro Ultra is ahead

  • Automation90 · 89
  • Reliability64 · 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 Saros 20
Roborock press image
Dreame L50 Pro Ultra
Dreame press image
$1,600Price in the manufacturer's shop
≈ $740Price 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
  • Navigation
  • 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
  • Retracting turret: 89.5 mm under furniture
  • Camera plus 3D structured light, people and pets recognised
  • Pads lift, extend and detach; 75 °C wash and 100 days of dust
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
  • 22 mm single-step threshold; the 40 mm figure needs two steps
  • 19,500 Pa, well under the flagships
  • Plumbing kit costs extra
Best for
  • Homes with a mix of hard floors and carpet
  • Low furniture that a LiDAR turret cannot fit under
  • Flats with low sofas and beds where 89.5 mm decides coverage
  • Homes with a pet and cables, on a mid-range budget
Score breakdown
Verdict Score87/10081/100
Cleaning
93
82
Navigation
94
84
Mopping
92
92
Obstacle Avoidance
100
100
Automation
89
90
Ease of Use
94
94
Reliability
60
64
Value
40
25
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 Pa19,500 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 mm22 mm
Two-step thresholdNot published40 mm over two steps with a gap of more than 3 cm (EasyLeap)
Height with the sensor raisedNot published111.5 mm
Mopping
Mop typeTwin spinning padsTwin spinning pads
Mop liftDetaches for carpetDetaches for carpet
Extending mopYesYes
Water tankNot publishedNot published
Area per chargeNot published214 m²
Dock
Self-emptyingYesYes
Mop washingYesYes
Mop wash temperature100 °C75 °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 published75 °C, four adjustable levels
Water tanks (clean / dirty)Not published4.5 l / 4.0 l
Plumbing kitNot publishedOptional, for automatic refill and drain
Dock size and weightNot published457 × 340 × 590 mm, 9 kg
Software
No-go zonesYesYes
Pet recognitionYesYes
MatterNot publishedYes
Power
Battery6,400 mAh6,400 mAh
RuntimeNot published3 h 50 min
Charging timeNot publishedNot published
Connectivity
Wi-FiYesYes
BluetoothYesNo
4G / LTENoNo
Voice controlYesYes
Physical
WeightNot published4.13 kg
L × W × HNot published352 × 350 × 90 mm
NoiseNot publishedNot published
Support
Warranty12 monthsNot published
Released2026Not published
Chassis
Carpet pile cleared1.18 in / 30 mmNot published
Obstacles
Recognised object types300+Not published

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