ROBOVERDICT

Head to head · Robot vacuums

Narwal Freo Z10 Ultra vs Roborock Saros Z70

Narwal Freo Z10 Ultra or Roborock Saros Z70? Verdict Scores 86 and 85, where each leads on published specs and which to choose.

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

Verdict

The Narwal Freo Z10 Ultra has the higher Verdict Score, 86 to 85.

The Narwal Freo Z10 Ultra has the edge in automation, value and reliability. The Roborock Saros Z70 has the edge in navigation, mopping and obstacle avoidance.

No published figure puts the Narwal Freo Z10 Ultra ahead. In the manufacturers' published figures the Roborock Saros Z70 is ahead on one row: suction (22,000 Pa against 18,000 Pa).

The Narwal Freo Z10 Ultra suits mixed floors with rugs and carpet, where the lift and the boost matter. The Roborock Saros Z70 suits households with children or pets, where the floor is never quite clear.

Narwal
Freo Z10 Ultra≈ $540
Roborock
Saros Z70$1,000

Where the Narwal Freo Z10 Ultra is ahead

  • Automation90 · 74
  • Reliability66 · 64
  • Value78 · 55

Where the Roborock Saros Z70 is ahead

  • Navigation90 · 82
  • Mopping92 · 86
  • Obstacle Avoidance95 · 85
  • Suction22,000 Pa · 18,000 Pa

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
Narwal
Freo Z10 Ultra
Roborock
Saros Z70
Narwal Freo Z10 Ultra
Narwal press image
Roborock Saros Z70
Roborock press image
≈ $540Price in the manufacturer's shop
$1,000Price in the manufacturer's shop
Highest Verdict Score
Check priceCheck 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
  • Automation
  • Reliability
  • Value
  • Navigation
  • Mopping
  • Obstacle Avoidance
Pros
  • 360° LiDAR with a four-layer 3D map plus two 136° cameras
  • Triangular mops that extend to the edge and a sensor that mops until clean
  • 12 mm mop lift with a 160% suction boost on carpet; SGS-certified zero tangling
  • 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
  • 18,000 Pa, the lowest of the Narwal flagships
  • 110 mm tall with the turret
  • Bin, tank, noise, runtime and threshold height not published
  • 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
  • Mixed floors with rugs and carpet, where the lift and the boost matter
  • Buyers who want LiDAR reliability over the newest mop
  • Households with children or pets, where the floor is never quite clear
  • Low furniture that a LiDAR turret cannot fit under
Score breakdown
Verdict Score86/10085/100
Cleaning
93
93
Navigation
82
90
Mopping
86
92
Obstacle Avoidance
85
95
Automation
90
74
Ease of Use
94
94
Reliability
66
64
Value
78
55
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
Suction18,000 Pa22,000 Pa
Brush systemTangle-resistantTangle-resistant
Side brushes11
Carpet boostYesYes
DustbinNot publishedNot published
Carpet suction boost160%Not published
Tangle-free certificateSGSNot published
Navigation
MappingLiDAR + cameraSolid-state 3D ToF + camera
Obstacle avoidanceTwin-camera AICamera + depth sensor
Saved floor plansNot publishedNot published
Threshold climbNot publishedNot published
MapFour-layer 3D map from 360° LiDARNot published
Mopping
Mop typeTwin spinning padsTwin spinning pads
Mop lift12 mmDetaches for carpet
Extending mopYesYes
Water tankNot publishedNot published
Dirt sensorMops a patch until the water runs cleanNot published
Dock
Self-emptyingYesYes
Mop washingYesYes
Mop wash temperatureNot published80 °C
Mop dryingYesYes
Water refillYesNo
Plumbed drainNoNo
Dust bag interval120 daysNot published
Dock size and weight431 × 462 × 388 mm, 12.2 kgNot published
Software
No-go zonesYesYes
Pet waste recognitionNoNo
Power
Battery92 Wh6,400 mAh
RuntimeNot publishedNot published
Charging timeNot publishedNot published
Battery voltage14.4 VNot published
Rated power65 WNot published
Connectivity
Wi-FiYesYes
BluetoothNoYes
4G / LTENoNo
Voice controlYesYes
Physical
Weight4.5 kgNot published
L × W × H355 × 350 × 110 mm353 × 350 × 80 mm
NoiseNot publishedNot published
Support
WarrantyNot published12 months
ReleasedNot published2025
Obstacles
Cameras2 × 136°, two AI chipsNot 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

    Aqua10 Roller

    Roller mop and legs without the retracting turret: 30,000 Pa with a carpet boost, a roller at 9 to 11 N that lifts 14 mm under a guard, a 4.2 cm sill or 6 cm double step, 120 mm tall, a 100 °C wash.

  • 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.

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