Roborock Qrevo CurvX vs Roborock Saros Z70: Which to Buy

The Roborock Qrevo CurvX is the better robot vacuum overall, rated 4.1 to 3.5. The Roborock Qrevo CurvX leads on cleaning. The Roborock Saros Z70 wins on dock and mopping. The Roborock Qrevo CurvX costs $49.99 less ($949.99 vs $999.98).

Higher rated

Roborock Qrevo CurvX

#59 in Self-cleaning dock4.1Full review

For most homes wanting a fully hands-off robot at a mid-range price, with strong carpet cleaning and long range.

Amazon $949.99

$949.99

Roborock Saros Z70

#100 in Self-cleaning dock3.5Full review

For early adopters who want a robot that tidies small clutter; buyers who just want clean floors get more for less elsewhere.

Amazon $999.98

$999.98

Prices were last checked November 2, 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 Roborock Qrevo CurvX for cleaning (measured 92% of sand from carpet, 77.5% of pet hair, no hair tangled vs measured 67% of sand from carpet, 83% of pet hair, some hair tangled (0.5)).
Choose the Roborock Saros Z70 for dock (Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying, doses detergent, optional water hookup vs Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying) and mopping (Dual spinning pads, leaves its mop at the dock for carpet, extends to edges vs Dual spinning pads, lifts 10 mm, extends to edges).

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 Qrevo CurvX	Roborock Saros Z70
Overall rating	4.1/5	3.5/5
Cleaning 30%	82 measured 92% of sand from carpet, 77.5% of pet hair, no hair tangled	20 measured 67% of sand from carpet, 83% of pet hair, some hair tangled (0.5)
Value 25%	39 $950	36 $1,000
Dock 20%	85 Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying	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%	76 Dual spinning pads, lifts 10 mm, extends to edges	86 Dual spinning pads, leaves its mop at the dock for carpet, extends to edges

Independent tests