Roborock Qrevo Curv S5X
For buyers who want the Qrevo Curv’s cleaning features and round dock at a lower price, without its threshold-climbing chassis.
Amazon $599.99$599.99
The Roborock Qrevo Curv S5X and the Roborock S8 Max Ultra are evenly matched, rated 4.2 and 4.1. The Roborock Qrevo Curv S5X leads on mopping.
Roborock S8 Max Ultra
For buyers who can plumb in the dock and want a hands-off mopping robot that never needs its water tanks touched.
Amazon $599.99$599.99
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?
- Choose the Roborock Qrevo Curv S5X for mopping (Dual spinning pads, lifts 10 mm, extends to edges vs Vibrating pad, lifts 20 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 Curv S5X | Roborock S8 Max Ultra |
|---|---|---|
| Overall rating | 4.2/5 | 4.1/5 |
| Cleaning 30% | 63 not yet tested; estimated from 19 tested Roborock robots and the median of the 70 tested robots | 63 not yet tested; estimated from 19 tested Roborock robots and the median of the 70 tested robots |
| Value 25% | 67 $600 | 67 $600 |
| Dock 20% | 100 Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying, optional water hookup | 100 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 light | 85 LiDAR + 3D light |
| Mopping 10% | 76 Dual spinning pads, lifts 10 mm, extends to edges | 62 Vibrating pad, lifts 20 mm, extends to edges |
Specifications
| Roborock Qrevo Curv S5X | Roborock S8 Max Ultra | |
|---|---|---|
| Vacuum | ||
| Claimed suction | 18,500 Pa | 8,000 Pa |
| Main brush | DuoDivide floating anti-tangle brush | DuoRoller Riser dual rubber brushes |
| Dustbin | 325 mL | - |
| Extending side brush | Yes | Yes |
| Mopping | ||
| Mop | Dual spinning pads, lifts 10 mm, extends to edges | Vibrating pad, lifts 20 mm, extends to edges |
| Mop lift | 10 mm | 20 mm |
| Leaves mop at dock | No | No |
| Extending mop | Yes | Yes |
| Water tank | 72 mL | - |
| Dock | ||
| Dock | Washes mop + empties | Washes mop + empties |
| Self-empties | Yes | Yes |
| Washes mop | Yes | Yes |
| Hot-water wash | Yes | Yes |
| Hot-air drying | Yes | Yes |
| Detergent dosing | - | Yes |
| Water hookup option | Yes | Yes |
| Navigation & app | ||
| Navigation | LiDAR + 3D light | LiDAR + 3D light |
| Obstacle avoidance | Structured light (Reactive Tech) | 3D structured light (Reactive 3D) |
| Climbs thresholds | 20 mm | - |
| Matter | Yes | - |
| Voice assistants | - | Alexa, Google Assistant, Siri Shortcuts |
| Build | ||
| Height | 3.9 in (98 mm) | 3.8 in (97 mm) |
| Retracting LiDAR | No | No |
| Battery | 5,200 mAh | 5,200 mAh |
| Run time | Up to 3 h 10 min | - |
| Released | 2025-03 | 2024-04 |