Roborock Qrevo Curv 2 Flow vs Roborock Saros Z70

Last updated: October 26, 2026

The Roborock Qrevo Curv 2 Flow is the better robot vacuum overall, rated 3.9 to 3.5. The Roborock Qrevo Curv 2 Flow leads on cleaning. The Roborock Saros Z70 wins on dock and navigation.

Roborock Qrevo Curv 2 Flow vs Roborock Saros Z70

Prices were last checked October 27, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.

Which should you buy?

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 weightRoborock Qrevo Curv 2 FlowRoborock Saros Z70
Overall rating3.9/53.5/5
Cleaning 30%70 measured 87% of sand from carpet, 77.5% of pet hair, no hair tangled20 measured 67% of sand from carpet, 83% of pet hair, some hair tangled (0.5)
Value 25%36 $1,00036 $1,000
Dock 20%85 Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying100 Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying, doses detergent, optional water hookup
Navigation 15%85 LiDAR + 3D light100 LiDAR + camera
Mopping 10%80 Roller, lifts 15 mm86 Dual spinning pads, leaves its mop at the dock for carpet, extends to edges

Independent tests

Roborock Qrevo Curv 2 Flow

Tested byCarpet deep cleanPet hairHair tangle (0 = none)Area per chargeConditions
Vacuum Wars87%77.5%01,287 sq ftEmbedded 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).

Roborock Saros Z70

Tested byCarpet deep cleanPet hairHair tangle (0 = none)Area per chargeConditions
Vacuum Wars67%83%0.51,204 sq ftEmbedded 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).

Specifications

Roborock Qrevo Curv 2 FlowRoborock Saros Z70
Vacuum
Claimed suction20,000 Pa22,000 Pa
Main brushdual short anti-tangle rollersFreeFlow brush
Dustbin324 mL180 mL
Extending side brushNoYes
Mopping
MopRoller, lifts 15 mmDual spinning pads, leaves its mop at the dock for carpet, extends to edges
Mop lift15 mm15 mm
Leaves mop at dockNoYes
Extending mopNoYes
Water tank102 mL69 mL
Dock
DockWashes mop + emptiesWashes mop + empties
Self-emptiesYesYes
Washes mopYesYes
Hot-water washYesYes
Hot-air dryingYesYes
Detergent dosingNoYes
Water hookup optionNoYes
Navigation & app
NavigationLiDAR + 3D lightLiDAR + camera
Obstacle avoidanceStructured light3D sensing, VertiBeam and dual cameras; the OmniGrip arm can move light items such as socks out of the way
Climbs thresholds20 mm40 mm
MatterYesYes
Voice assistants-Alexa, Google Assistant
Build
Height4.7 in (119 mm)3.1 in (79.8 mm)
Retracting LiDARNoNo
Battery5,200 mAh6,400 mAh
Run timeUp to 4 h 2 minUp to 3 h
Warranty1 year1 year
Released2025-122025-05

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