MOVA Z70 Ultra Roller Complete vs Roborock Saros 20 Sonic

The Roborock Saros 20 Sonic is the better robot vacuum overall, rated 4.2 to 4.0. The MOVA Z70 Ultra Roller Complete wins on mopping.

Higher rated

Roborock Saros 20 Sonic

#44 in Self-cleaning dock4.2Full review

For homes that want the Saros 20’s slim build and threshold climbing with a retractable LiDAR and a sonic mop.

Amazon

MOVA Z70 Ultra Roller Complete

#76 in Self-cleaning dock4.0Full review

MOVA’s top roller-mop robot for hard-floor homes with raised thresholds and low furniture that want the most automated dock.

Amazon $1,299

$1,299

Prices were last checked October 26, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.

Which should you buy?

Choose the MOVA Z70 Ultra Roller Complete for mopping (Roller, lifts 13 mm, extends to edges vs Vibrating pad, leaves its mop at the dock for carpet).

Scores side by side

Each factor is scored 0-100 against the same fixed reference points for every self-cleaning dock robot vacuum; a clear win is highlighted. How we rank explains each one.

Factor weight	Roborock Saros 20 Sonic	MOVA Z70 Ultra Roller Complete
Overall rating	4.2/5	4.0/5
Cleaning 30%	82 measured 92% of sand from carpet, 77.8% of pet hair, no hair tangled	73 not yet tested; estimated from 5 tested MOVA robots and the median of the 70 tested robots
Value 25%	50 no current price (neutral score used)	20 $1,299
Dock 20%	100 Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying, doses detergent, optional water hookup	100 Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying, doses detergent, optional water hookup
Navigation 15%	100 LiDAR + camera	100 LiDAR + camera
Mopping 10%	46 Vibrating pad, leaves its mop at the dock for carpet	93 Roller, lifts 13 mm, extends to edges

Independent tests

Roborock Saros 20 Sonic

Tested by	Carpet deep clean	Pet hair	Hair tangle (0 = none)	Area per charge	Conditions
Vacuum Wars	92%	77.8%	0	1,225 sq ft	Embedded sand in medium-pile carpet; flattened 2.5 in pet hair on carpet, two runs; 7 in hair tangle on hard floor (0 = none wrapped).