Roborock
Comparison · 2 robots
Roborock Qrevo MaxV · Roborock Saros Z70
All robot vacuums. Every measure below is plotted against the full class, so a difference can be read against how much the class itself varies.
- Roborock Qrevo MaxV
- Roborock Saros Z70
01 Classification
What each one does on its own.
The Autonomy Ladder is the same five rungs for every robot on the site. A rung describes the conditions a robot handles without you, not how good it is.
V
Generalized
Any task, any setting
IV
Environmental
Handles new obstacles without help
III
Conditional
Finishes familiar jobs on its own
Roborock Qrevo MaxVRoborock Saros Z70
II
Assisted
Runs preset routines, needs rescue
I
Manual
One action, on command
02 Assessment
Where they actually differ.
The Robovations Score is nine inputs across three pillars, each weighted as shown and each scored so that more is better. A robot can lead on one and trail on another, which is the point of showing them apart. Cost of ownership and data handling are reported on each robot's own page and are never averaged into the score.
Capability
Task completion16% of score
Does it finish the job it is sold to do, unattended
9768
- Roborock Qrevo MaxV97
- Roborock Saros Z7068
18median 72 across 381 scored robots100
Coverage and navigation10% of score
Does it work the whole area, and hold that between runs
7576
- Roborock Qrevo MaxV75
- Roborock Saros Z7076
15median 70 across 371 scored robots100
Edge-case recovery10% of score
Does it recover from the failures its category presents
8448
- Roborock Qrevo MaxV84
- Roborock Saros Z7048
18median 50 across 287 scored robots100
Operating envelope4% of score
How far conditions can vary before performance drops
7678
- Roborock Qrevo MaxV76
- Roborock Saros Z7078
25median 68 across 345 scored robots100
Dependability
Field failure rate16% of score
Documented hardware failures per owner-year
8873
- Roborock Qrevo MaxV88
- Roborock Saros Z7073
6median 70 across 371 scored robots100
Software stability14% of score
Whether updates fix more than they break
7470
- Roborock Qrevo MaxV74
- Roborock Saros Z7070
15median 65 across 300 scored robots100
Support longevity10% of score
Committed parts, service and updates, with dates
8588
- Roborock Qrevo MaxV85
- Roborock Saros Z7088
0median 63 across 377 scored robots100
Ownership burden
Routine maintenance12% of score
Hands-on time it asks for in normal operation
9775
- Roborock Qrevo MaxV97
- Roborock Saros Z7075
22median 65 across 382 scored robots100
Consumables8% of score
Parts that must be bought to keep it working
7171
- Roborock Qrevo MaxV71
- Roborock Saros Z7071
8median 69 across 381 scored robots100
03 Measured against the class
How far apart is a long way?
A number only means something next to the spread it sits in. Each track below is the real range across every classified robot in the class, with the median marked.
Price195 with a published figure
$1,399.99$2,599
- Roborock Qrevo MaxV$1,399.99
- Roborock Saros Z70$2,599
$160median $799.99$2,599
Suction (mode not stated)172 with a published figure
7,000 Pa22,000 Pa
- Roborock Qrevo MaxV7,000 Pa
- Roborock Saros Z7022,000 Pa
1,000 Pamedian 8,000 Pa36,000 Pa
Runtime170 with a published figure
180 min180 min
- Roborock Qrevo MaxV180 min
- Roborock Saros Z70180 min
60 minmedian 180 min360 min
Charge time150 with a published figure
240 min150 min
- Roborock Qrevo MaxV240 min
- Roborock Saros Z70150 min
90 minmedian 240 min420 min
Noise148 with a published figure
67 dB67 dB
- Roborock Qrevo MaxV67 dB
- Roborock Saros Z7067 dB
43 dBmedian 67 dB80 dB
Height191 with a published figure
4 in3.1 in
- Roborock Qrevo MaxV4 in
- Roborock Saros Z703.1 in
2.6 inmedian 3.8 in7.8 in
Not compared, because fewer than two of these robots carry a published figure: Weight.
04 Ownership
What the numbers leave out.
The trade-off
What each design gives up to be good at what it is good at.
Roborock Qrevo MaxV
The FlexiArm extends the mop to the wall edge; it moves nothing. Homes with floor-level obstacle scatter still require a pre-run tidying pass or accepted avoidance routing.
7,000 Pa suction: competitive at launch in early 2024, now below the 10,000-plus Pa ratings of 2025-generation flagships. Cleaning ability in open hard-floor spaces holds up; the gap shows on carpeted zones with heavier debris.
Roborock Saros Z70
The OmniGrip arm adds autonomous item pickup, a real capability, but operates on the robot’s terms: shape and weight constraints mean manual intervention remains necessary for fragile and irregular objects.
The flagship price reflects integrated dock and arm, yet mid-tier Roborock models deliver comparable Level III autonomy for half the cost, making the arm itself a premium component for specific use cases only.
Who each one is wrong for
Stated by the record itself. A robot being wrong for a household is a fact about fit, not a fault.
Roborock Qrevo MaxV
- Homes dominated by high-pile or shag carpet
- The 10 mm mop lift clears standard and low-pile carpet; owner reports (2024-2026) describe coverage inconsistency on high-pile and shag. Suction performance is rated at 7,000 Pa, which is moderate by 2024 flagship standards.
- Privacy-sensitive owners uncomfortable with onboard camera
- The RGB camera operates during cleaning sessions to classify obstacles. Roborock documents on-device processing, but the hardware is present and active. Owners who prefer camera-free units have other Level III options without onboard imaging.
- Compact apartments under 800 sqft with minimal clutter
- The full dock suite occupies meaningful floor space. LiDAR mapping and FlexiArm edge coverage deliver diminishing return in small, open-plan spaces where a lighter setup achieves similar results at lower cost.
- Buyers who do not need the full dock suite
- Roborock lists the Qrevo MaxV at $1,399.99 and has sold it well below that. At list price, the Dock 2.0 and FlexiArm mopping are what the money buys. Buyers who do not need hot-water mop washing or edge mopping will find comparable LiDAR navigation in less expensive configurations.
Roborock Saros Z70
- Minimalist, clutter-free spaces
- The arm's value diminishes without floor scatter. Standard navigation and mopping alone do not justify the $2400+ premium over mid-tier Level III models costing half as much.
- Owners with fragile or oddly-shaped items
- The arm applies fixed gripping force without adaptive sensing. Delicate objects risk damage; manual pre-clearing remains necessary for breakables and irregular shapes.
- Budget-conscious buyers
- Mid-tier Roborock models deliver 90% of navigation autonomy at half the cost. The arm itself accounts for the substantial price premium and complexity burden.
- Very small apartments
- Dock footprint requires 60cm clearance; arm extension adds spatial demand. Compact homes benefit from smaller, less complex models.
- Homes with wall-mounted obstacles or low clearance
- Wall shelves, low-hanging art, or tight corners obscure the arm's reach zone. Pickup attempts fail in confined spaces.
What stays your job
The upkeep ownership hands back to you, whatever the autonomy level says.
Roborock Qrevo MaxV
- After every use: Confirm dock auto-empty cycle completed; check app for obstacle alerts or skipped zones.
- Weekly: Inspect side brush for hair tangles; clear brush guard if debris has accumulated.
- Monthly: Rinse dock wash tray and inlet to prevent mop-pad odor buildup.
- Every 3-6 months: Replace HEPA filter (roughly $15-25 per filter); inspect mop pads and swap if worn.
- Every 3-6 months: Clean LiDAR sensor window and camera lens with a dry cloth; check FlexiArm mop attachment for wear.
- Annually: Inspect dock water reservoir seal and drainage path; verify dock electrical connections are dry.
- As needed: Refill dock water reservoir when app alerts low level; update firmware via Roborock app when available.
Roborock Saros Z70
- After every use: Empty dock bag if indicator shows capacity near full, typically weekly in normal households.
- Weekly: Visual inspection of arm gripper fingers for debris; compressed air cleanup if hair wrapping detected.
- Monthly: Replace main filter, rinse side brush, check dock connection for dust accumulation.
- Every 3-6 months: Deep clean dock gaskets, test camera clarity with mapping pass, inspect mopping pad for mineral buildup.
- As needed: Manual item extraction if arm encounters stuck or oversized object during cycle.
05 Evidence
How much each of these is standing on.
Classifications rest on different depths of evidence. A pre-release assessment and a verified one are not the same kind of claim.
| Robot | Evidence status | Sources reviewed | Last assessed |
|---|---|---|---|
| Roborock Qrevo MaxV | Verified | 8 | Aug 2026 |
| Roborock Saros Z70 | Verified | 11 | Aug 2026 |
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