Roborock
Roborock QV 35A
- Autonomy
- IIIConditional
- Score
- 68/100Capable
- Readiness
- Ready Now
- Price
- $649.99list
ComparisonRoborock QV 35A and Ultenic MX50
Ultenic
Ultenic MX50
- Autonomy
- IIIConditional
- Score
- 66/100Capable
- Readiness
- Ready Now
- Price
- $639.99list
Up to three
Autonomy Ladder
- IManual
- IIAssisted
- IIIConditional
- IVEnvironmental
- VGeneralized
All robot vacuums. Every figure below is placed against the whole class, so a gap can be read against how much the class itself varies.
Where each one suits you.
The conditions each robot was assessed against, side by side. Rows marked in gold are where these machines genuinely differ.
| Condition | Roborock QV 35A | Ultenic MX50 |
|---|---|---|
| Home size | ||
| Under 1,500 sqft | GoodA six-month owner account reports no missed areas here, and 2cm threshold crossing handles typical doorway transitions. | Good180-minute runtime and a 200 m² rated area leave margin for a smaller home. |
| 1,500 – 3,000 | GoodA six-month owner account reports no pattern of missed areas across daily runs, with maps for up to 4 floors retained. | GoodMuyComputer cleaned a three-bedroom home twice on one charge; Ultenic rates 200 m² per charge. |
| Over 3,000 | DependsUp to 4 floor maps are stored, but no source specifies a single-floor coverage limit for homes at this larger scale. | DependsUltenic rates about 200 m², roughly 2,150 sq ft, per charge; larger homes need a recharge mid-run. |
| Primary floors | ||
| Hard floors | GoodA six-month owner account reports it excelling on hardwood, tile, vinyl and laminate, clearing dust and crumbs with minimal residue. | GoodReviewers found daily cleaning on hard floors effective, with hot-water mop care in the dock. |
| Low / medium pile | GoodDual spinning mop pads auto-lift when carpet is detected, so it crosses low-pile carpet without mopping it unintentionally. | GoodCarpet detection boosts suction and lifts the mop 15 mm, which SmartWorld says protects low-pile rugs. |
| High pile / shag | Depends8,000 Pa suction sits below Roborock's own Q10 S5 line, and owners on a user forum report the brush leaving hair clumps in some cases. | DependsThe mop lifts only 15 mm, and no reviewer tested deep or high-pile carpet. |
| Mopping needs | ||
| Vacuum only | GoodStrong vacuum; the mop lifts or detaches when not needed. | GoodStrong vacuum; the mop lifts or detaches when not needed. |
| Light mopping | GoodActive mopping system covers routine floors easily. | GoodActive mopping system covers routine floors easily. |
| Frequent mopping | GoodPressure or rotating mop with self-wash is built for frequent mopping. | GoodPressure or rotating mop with self-wash is built for frequent mopping. |
| Upkeep you accept | ||
| Regular upkeep | GoodAbout 40 minutes of upkeep a month. | GoodAbout 60 minutes of upkeep a month. |
| Some upkeep | GoodAbout 40 minutes of upkeep a month. | GoodAbout 60 minutes of upkeep a month. |
| Minimal upkeep | DependsAbout 40 minutes of upkeep a month. Minimal is 30 or less. | DependsAbout 60 minutes of upkeep a month. Minimal is 30 or less. |
A robot being poor for a condition is a fact about fit, not a fault. “Depends” means the record names a limit worth reading, not that the answer is unknown.
What the score is built from.
Nine inputs across three pillars, each weighted as shown and each scored so more is better. A robot can lead on one and trail on another, which is the point of showing them apart.
Capability
Task completion16% of score
Does it finish the job it is sold to do, unattended
7275
- Roborock QV 35A72
- Ultenic MX5075
18median 72 across 438 scored robots100
Coverage and navigation10% of score
Does it work the whole area, and hold that between runs
7875
- Roborock QV 35A78
- Ultenic MX5075
0median 72 across 426 scored robots100
Edge-case recovery10% of score
Does it recover from the failures its category presents
8250
- Roborock QV 35A82
- Ultenic MX5050
18median 52 across 325 scored robots100
Operating envelope4% of score
How far conditions can vary before performance drops
7260
- Roborock QV 35A72
- Ultenic MX5060
28median 68 across 402 scored robots100
Dependability
Field failure rate16% of score
Documented hardware failures per owner-year
6270
- Roborock QV 35A62
- Ultenic MX5070
6median 70 across 362 scored robots100
Software stability14% of score
Whether updates fix more than they break
6265
- Roborock QV 35A62
- Ultenic MX5065
15median 65 across 344 scored robots100
Support longevity10% of score
Committed parts, service and updates, with dates
5855
- Roborock QV 35A58
- Ultenic MX5055
0median 62 across 434 scored robots100
Ownership burden
Routine maintenance12% of score
Hands-on time it asks for in normal operation
7565
- Roborock QV 35A75
- Ultenic MX5065
22median 67 across 439 scored robots100
Consumables8% of score
Parts that must be bought to keep it working
5872
- Roborock QV 35A58
- Ultenic MX5072
8median 69 across 439 scored robots100
How far apart is a long way?
A number only means something next to the spread it sits in. Each track is the real range across every classified robot in the class, with the median marked.
Price226 with a published figure
$649.99$639.99
- Roborock QV 35A$649.99
- Ultenic MX50$639.99
$160median $799.99$2,599.99
Suction228 with a published figure
8,000 Pa20,000 Pa
- Roborock QV 35A8,000 Pa
- Ultenic MX5020,000 Pa
1,000 Pamedian 10,000 Pa42,000 Pa
Height245 with a published figure
3.8 in3.8 in
- Roborock QV 35A3.8 in
- Ultenic MX503.8 in
2.6 inmedian 3.8 in7.8 in
Not compared, because fewer than two of these robots carry a published figure: Runtime, Charge time, Noise, Weight.
What the numbers leave out.
Written on each record, and the only thing here every robot on the site carries.
The trade-off
What each design gives up to be good at what it is good at.
Roborock QV 35A
Full mop-wash-and-dry dock at a value price, but the water in it never runs hot.
Reactive Tech obstacle avoidance uses structured light instead of a camera: it detects shapes it cannot classify.
8,000 Pa suction trails Roborock’s own Q10 S5 by 2,000 Pa, the tradeoff for a dock the S5 does not have.
Ultenic MX50
The dock does the hot wash and dry; you still fill and drain its tanks through fiddly plugs.
LiDAR maps quickly and accurately, while the lack of a front camera means cables and toys on the floor are its problem to hit, not avoid.
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 QV 35A
- Buyers requiring hot-water mop washing
- The dock washes and refills the mop pads but dries them with cold air only; heated drying, which dries pads faster and more thoroughly, is reserved for Roborock's higher tiers.
- Buyers wanting camera-based obstacle classification
- Reactive Tech obstacle avoidance uses structured light rather than a camera, so it cannot visually identify and classify specific objects the way camera-equipped flagships in Roborock's own line do.
- Households with multiple dogs generating heavy hair volume
- A six-month owner account reports the auto-empty struggling to keep pace with pet hair volume from multiple dogs, a documented condition-specific weak point worth checking against a busy multi-dog household.
- Buyers wanting stronger suction than the Q10 S5 line
- 8,000 Pa HyperForce suction sits below the 10,000 Pa on Roborock's cheaper Q10 S5 line, a documented tradeoff for the QV line's full multifunction dock.
Ultenic MX50
- Floors with loose cables, socks or pet toys
- MuyComputer found no front-facing camera, so small objects go undetected.
- Homes with delicate furniture legs
- SmartWorld reports it can strike obstacles such as chair legs forcefully.
- Owners wanting spills and stubborn stains lifted
- Both reviewers describe the mop as suited to daily upkeep, not dried spills or stubborn marks.
- Anyone who dislikes draining water tanks by hand
- MuyComputer found the tank plugs awkward to drain, leaving standing water that can smell.
What stays your job
The upkeep ownership hands back to you, whatever the autonomy level says.
Roborock QV 35A
- Weekly: Refill the dock’s clean water tank and empty and rinse the dirty water tank; the dock refills the robot automatically, but both tanks are handled by hand.
- Monthly: Clean the main brush and rinse the washable filter; Roborock’s printed schedule is every 2 weeks for both, with 24 hours of drying before the filter goes back in.
- Monthly: Unscrew and clean the side brush, and check the dual mop cloths for wear; the manual rates the cloths for replacement every 1-3 months.
- Every 3-6 months: Replace the side brush, per the manual’s rating.
- Annually: Replace the main brush and washable filter; the manual rates both at 6-12 months.
- As needed: Swap the dock’s disposable dust bag (Roborock warns never to run auto-empty without one installed) and rinse the dock’s cleaning tray and tray filter.
- As needed: Wipe the wall, carpet, cliff, and obstacle-avoidance sensors and charging contacts, and rinse the 330 ml dustbin with clean water, allowing 24 hours to dry.
Ultenic MX50
- Every 3-6 months: Replace the 3 L dock dust bag, rated for about 90 days.
- Weekly: Refill the 4 L clean-water tank and drain the dirty-water tank, working around the small rubber plugs.
- Weekly: Rinse the dock tray and check the mop for residue after hot-water washing.
- Monthly: Clean the HEPA filter and clear hair from the floating brush.
- As needed: Replace HEPA filters, side brushes and mop pads from Ultenic’s accessory bundles.
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 QV 35A | Pending | 2 | Aug 2026 |
| Ultenic MX50 | Provisional | 3 | Sep 2026 |
Evidence status counts the sources behind a classification, not their kind. A high count can be maker documentation and price coverage, so read it as how much was reviewed rather than as independent testing. How we weigh evidence.
Keep going.
The full recordRoborock QV 35ASpecifications, evidence, the Fit Check in full, and every tracked change.
The full recordUltenic MX50Specifications, evidence, the Fit Check in full, and every tracked change.Robovations classifies robots; it does not rank them. Nothing on this page is a recommendation, and no manufacturer influences a classification or its placement here.
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