ROBOVERDICT

Head to head · Robot vacuums

Dreame L50 Ultra vs Roborock Saros Z70

Dreame L50 Ultra or Roborock Saros Z70? Verdict Scores 85 and 84. The L50 Ultra: warranty 36 vs 12 months; the Saros Z70: height 80 vs 97 mm.

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

Verdict

The Dreame L50 Ultra has the higher Verdict Score, 85 to 84.

The Dreame L50 Ultra has the edge in obstacle avoidance, automation, value and reliability. The Roborock Saros Z70 has the edge in cleaning and navigation.

In the manufacturers' published figures the Dreame L50 Ultra is ahead on one row: warranty (36 months against 12 months). In turn, the Roborock Saros Z70 is ahead on 2 rows: suction (22,000 Pa against 19,500 Pa) and mop wash temperature (80 °C against 75 °C).

At $760 against $1,700, the Dreame L50 Ultra is the cheaper of the two. The Dreame L50 Ultra suits homes with high sills or a step between rooms. The Roborock Saros Z70 suits households with children or pets, where the floor is never quite clear.

Dreame
L50 Ultra$760
Roborock
Saros Z70$1,700

Where the Dreame L50 Ultra is ahead

  • Obstacle Avoidance100 · 95
  • Automation90 · 74
  • Reliability73 · 64
  • Value48 · 46
  • Warranty36 months · 12 months

Where the Roborock Saros Z70 is ahead

  • Cleaning93 · 92
  • Navigation90 · 80
  • Suction22,000 Pa · 19,500 Pa
  • Mop wash temperature80 °C · 75 °C

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

Full specification, side by side

Compare
Dreame
L50 Ultra
Roborock
Saros Z70
Dreame L50 Ultra
Dreame press image
Roborock Saros Z70
Roborock press image
$760Price in the manufacturer's shop
$1,700Price in the manufacturer's shop
Highest Verdict Score
Check price on Amazon.comCheck price on Amazon.com

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

At a glance
Leads on
  • Obstacle Avoidance
  • Automation
  • Reliability
  • Value
  • Cleaning
  • Navigation
Pros
  • Legs for a 4.2 cm sill or a 6 cm double step
  • RGB camera with structured light, 180+ object types and pet recognition
  • The dock washes at up to 75 °C, re-mops by the colour of the wash water, dries, refills and holds dust for 100 days
  • Five-axis arm lifts socks, slippers, tissues and small toys out of its path
  • Solid-state 3D sensing with no turret, in an 80 mm body
  • Mops lift, and come off entirely for carpet while the chassis rises and suction boosts
Cons
  • 97 mm tall with a fixed LiDAR, against the L50 Pro Ultra's 89.5 mm
  • No noise figure, charging time or robot tank size published
  • Sold out on Dreame's Polish shop and not listed on the German one
  • 22,000 Pa, well under the Saros 20's 36,000, at a higher price
  • No threshold height, bin or tank capacity on Roborock's page
  • The dock does not refill the water tank
Best for
  • Homes with high sills or a step between rooms
  • Pet owners who want the robot to see the animal and keep clear of it
  • Households with children or pets, where the floor is never quite clear
  • Low furniture that a LiDAR turret cannot fit under
Score breakdown
Verdict Score85/10084/100
Cleaning
92
93
Navigation
80
90
Mopping
92
92
Obstacle Avoidance
100
95
Automation
90
74
Ease of Use
94
94
Reliability
73
64
Value
48
46
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
Suction19,500 Pa22,000 Pa
Brush systemTangle-resistantTangle-resistant
Side brushes11
Carpet boostYesYes
Dustbin395 mlNot published
Side brushExtends and liftsNot published
Hair length handled without tanglingUp to 30 cmNot published
Navigation
MappingLiDARSolid-state 3D ToF + camera
Obstacle avoidanceCamera + depth sensorCamera + depth sensor
Saved floor plansNot publishedNot published
Threshold climb42 mmNot published
Mopping
Mop typeTwin spinning padsTwin spinning pads
Mop liftDetaches for carpetDetaches for carpet
Extending mopYesYes
Water tankNot publishedNot published
Dock
Self-emptyingYesYes
Mop washingYesYes
Mop wash temperature75 °C80 °C
Mop dryingYesYes
Water refillYesNo
Plumbed drainNoNo
Dust bag interval100 daysNot published
Wash temperature settingsFour, up to 75 °CNot published
Dirt detectionA colour sensor reads the wash water, sets one of 32 wash volumes and sends the robot back to re-mopNot published
Water tanks4.5 l clean, 4.0 l dirtyNot published
Dust bag3.2 lNot published
Dock size and weight457 × 340 × 589 mm, 9.2 kgNot published
Software
No-go zonesYesYes
Pet waste recognitionYesNo
Power
Battery6,400 mAh6,400 mAh
Runtime3 h 20 minNot published
Charging timeNot publishedNot published
Area per charge186 m², quiet modeNot published
Connectivity
Wi-FiYesYes
BluetoothNoYes
4G / LTENoNo
Voice controlYesYes
Physical
Weight4.44 kgNot published
L × W × H352 × 348 × 97 mm353 × 350 × 80 mm
NoiseNot publishedNot published
Support
Warranty36 months12 months
ReleasedNot published2025
Chassis
Double-step threshold60 mm over two steps more than 40 mm apart (ProLeap legs)Not published
Obstacles
Recognised object types180+Not published
Arm
OmniGrip mechanical armNot publishedFive-axis, foldable; lifts socks, slippers, tissues, small toys

Also worth a look

  • Dreame

    Aqua10 Ultra Roller Complete

    Dreame's roller-mop flagship: 30,000 Pa, a 270 mm roller at 9 to 11 N that slides to the wall and lifts 14 mm, legs for a 4.2 cm sill or 8 cm double step, two AI cameras and a 100 °C wash.

  • 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.

  • Roborock

    Saros 20

    Roborock's flagship: 36,000 Pa, twin spinning mops the dock washes at 100 °C, and a solid-state 3D sensor instead of a LiDAR turret.

Other comparisons

Side by side →