Narwal Freo Z10 Ultra vs Roborock Saros 20

Full specification, side by side

Compare	Narwal Freo Z10 Ultra	Roborock Saros 20
	87/100 ≈ $480Price in the manufacturer's shop	86/100 $1,600Price in the manufacturer's shop
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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	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
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	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
Best for	Mixed floors with rugs and carpet, where the lift and the boost matter Buyers who want LiDAR reliability over the newest mop	Homes with a mix of hard floors and carpet Low furniture that a LiDAR turret cannot fit under
Score breakdown
Verdict Score	87/100	86/100
Cleaning	93	93
Navigation	82	94
Mopping	86	92
Obstacle Avoidance	85	95
Automation	90	89
Ease of Use	95	95
Reliability	66	64
Value	86	37
SpecificationsOnly differences 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
Suction	18,000 Pa	36,000 Pa
Brush system	Tangle-resistant	Tangle-resistant
Side brushes	1	1
Carpet boost	Yes	Yes
Dustbin	Not published	Not published
Carpet suction boost	160%	Not published
Tangle-free certificate	SGS	Not published
Navigation
Mapping	LiDAR + camera	Solid-state 3D ToF + camera
Obstacle avoidance	Twin-camera AI	Camera + depth sensor
Saved floor plans	Not published	Not published
Threshold climb	Not published	45 mm
Map	Four-layer 3D map from 360° LiDAR	Not published
Mopping
Mop type	Twin spinning pads	Twin spinning pads
Mop lift	12 mm	Detaches for carpet
Extending mop	Yes	Yes
Water tank	Not published	Not published
Dirt sensor	Mops a patch until the water runs clean	Not published
Dock
Self-emptying	Yes	Yes
Mop washing	Yes	Yes
Mop drying	Yes	Yes
Water refill	Yes	Yes
Plumbed drain	No	No
Dust bag interval	120 days	Not published
Dock size and weight	431 × 462 × 388 mm, 12.2 kg	Not published
Mop washing temperature	Not published	212 °F / 100 °C
Warm-air drying	Not published	131 °F / 55 °C
Detergent dispensing	Not published	Automatic
Software
No-go zones	Yes	Yes
Pet waste recognition	No	No
Power
Battery	92 Wh	Not published
Runtime	Not published	Not published
Charging time	Not published	Not published
Battery voltage	14.4 V	Not published
Rated power	65 W	Not published
Connectivity
Wi-Fi	Yes	Yes
Bluetooth	No	Yes
4G / LTE	No	No
Voice control	Yes	Yes
Physical
Weight	4.5 kg	Not published
L × W × H	355 × 350 × 110 mm	Not published
Noise	Not published	Not published
Support
Warranty	Not published	12 months
Released	Not published	2025
Obstacles
Cameras	2 × 136°, two AI chips	Not published
Recognised object types	Not published	300+
Chassis
Carpet pile cleared	Not published	1.18 in / 30 mm

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