Same brand, same tier, two different approaches to floor care. The Qrevo Curv brings 18,500 Pa of suction, dual spinning mop pads with 12 N of downward pressure, and a taller 40 mm obstacle clearance, making it the pick for homes with carpet, pets, and cluttered floors. The S8 MaxV Ultra counters with a high-frequency vibrating mop pad plus a rotating edge mop and a dock that adds detergent automatically when it washes the pad, which suits mostly hard-floor homes that want extra edge attention.
Here's an unusual situation: two Roborock machines that rate identically overall, yet clean in noticeably different ways. The Qrevo Curv leans into scrubbing power and suction, pairing dual spinning mop pads with 18,500 Pa and a chassis that climbs 40 mm thresholds. The S8 MaxV Ultra takes the vibration route, buzzing its mop pad 4,000 times per minute and adding a small rotating edge mop for baseboards, with a dock that mixes in detergent during pad washing. Add the fact that the Curv currently costs a lot less, and this becomes a question of cleaning style, not tier.
Roborock Qrevo Curv
out of 10Roborock S8 MaxV Ultra
These two land in the same place: an 8.0 overall rating each. The category ratings barely move apart either, with cleaning at 7.4 versus 7.3, navigation at 7.9 versus 7.8, and features at 9.7 versus 9.6, all leaning slightly toward the Qrevo Curv. Value sits at 5.5 for both, though that reading predates the current price gap. In short, the ratings say these are equals, so the decision comes down to which hardware suits your floors.
Suction is the loudest gap on paper: 18,500 Pa for the Qrevo Curv against 10,000 Pa for the S8 MaxV Ultra, backed by a mixed rubber and bristle brush pair and a bigger onboard dustbin. Mopping splits along different lines. The Curv uses dual spinning pads pressing down at 12 N with 30 water levels to choose from, which is the stronger scrubbing setup, and the S8 MaxV Ultra answers with a vibrating pad running at 4,000 vibrations per minute plus a small rotating edge mop for skirting boards. Range favors the Curv too, at 4,305 sq ft per charge versus 3,229 sq ft. And the S8 MaxV Ultra's dock adds detergent when washing its pad, so pads come back cleaner.
The Qrevo Curv pulls 18,500 Pa against the S8 MaxV Ultra's 10,000 Pa, and it backs that with a dual rubber and bristle brush setup that grabs embedded grit from carpet fibers. Its 325 mL dustbin also holds a bit more between dock trips than the 270 mL bin.
Dual spinning pads with 12 N of pressure give the Qrevo Curv real scrubbing action on dried spills, plus 30 moisture levels to fine-tune how wet the floor gets. The S8 MaxV Ultra vibrates its pad 4,000 times per minute and adds a rotating edge mop for baseboards, useful detail work, though vibration alone doesn't scrub as hard as spinning pads.
For homes with a shedding dog, the Curv's 18,500 Pa and slightly larger 2.7 L dock bag mean fewer clogs and longer stretches between bag changes. The S8 MaxV Ultra still handles hair well with its all-rubber brush pair, which resists tangling.
Both run LiDAR mapping with AI, camera, and 3D structured light obstacle avoidance, so they dodge socks and cords the same way. The Curv separates itself physically: it climbs obstacles up to 40 mm versus 20 mm, so tall thresholds and thick rug edges stop being no-go areas.
Both docks self-empty and wash the mop, but the S8 MaxV Ultra's dock adds detergent automatically during pad washing, which returns cleaner pads to the floor. The Curv's dock offsets that slightly with a 2.7 L dust bag.
A 6,400 mAh battery lets the Qrevo Curv cover 4,305 sq ft in a single run, compared to 3,229 sq ft from the S8 MaxV Ultra's 5,200 mAh pack. On a large single-floor layout, that's the difference between finishing in one pass and pausing to recharge.
This one's a genuine tie. Both offer built-in voice control alongside Amazon Alexa, Google Assistant, and Apple support, plus no-go zones, multi-level maps, and smart obstacle avoidance through the same Roborock app.
| Feature | Roborock Qrevo Curv | Roborock S8 MaxV Ultra |
|---|---|---|
| Suction Power | 18,500 Pa | 10,000 Pa |
| Main Brush Type | Dual (rubber & bristle) | Dual (rubber) |
| Mop Type | Dual spinning mop pads | Vibrating mop pad + rotating edge mop |
| Auto Detergent Dispensing | No | Yes |
| Battery Life | 6,400 mAh | 5,200 mAh |
| Sq Ft in One Run | 4,305 sq ft | 3,229 sq ft |
We may earn a commission if you make a purchase
Both machines deliver the full hands-off package: self-emptying, mop washing, LiDAR mapping, and multi-floor memory. The Qrevo Curv wins on suction, scrubbing pressure, range, and climbing ability, and it costs considerably less. Pick the S8 MaxV Ultra if edge mopping and detergent-assisted pad washing are what your hard floors need most.
