MOVA P50 Ultra
A budget self-cleaning robot with a plumb-in option, for tidy hard-floor homes.
Amazon $599.99$599.99
The MOVA P50 Ultra is the better robot vacuum overall, rated 4.3 to 4.1. The MOVA P50 Ultra 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 November 2, 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 MOVA P50 Ultra for mopping (Dual spinning pads, lifts 10.5 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 | MOVA P50 Ultra | Roborock S8 Max Ultra |
|---|---|---|
| Overall rating | 4.3/5 | 4.1/5 |
| Cleaning 30% | 73 not yet tested; estimated from 5 tested MOVA 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 10.5 mm, extends to edges | 62 Vibrating pad, lifts 20 mm, extends to edges |
Specifications
| MOVA P50 Ultra | Roborock S8 Max Ultra | |
|---|---|---|
| Vacuum | ||
| Claimed suction | 19,000 Pa | 8,000 Pa |
| Main brush | Rubber brush (CleanChop TriCut brush optional) | DuoRoller Riser dual rubber brushes |
| Dustbin | 300 mL | - |
| Extending side brush | Yes | Yes |
| Mopping | ||
| Mop | Dual spinning pads, lifts 10.5 mm, extends to edges | Vibrating pad, lifts 20 mm, extends to edges |
| Mop lift | 10.5 mm | 20 mm |
| Leaves mop at dock | No | No |
| Extending mop | Yes | Yes |
| Water tank | 80 mL | - |
| Dock | ||
| Dock | Washes mop + empties | Washes mop + empties |
| Self-empties | Yes | Yes |
| Dust bag | 3.2 L | - |
| Washes mop | Yes | Yes |
| Hot-water wash | Yes | Yes |
| Hot-air drying | Yes | Yes |
| Detergent dosing | - | Yes |
| Water hookup option | Yes | Yes |
| Clean water tank | 4 L | - |
| Navigation & app | ||
| Navigation | LiDAR + 3D light | LiDAR + 3D light |
| Obstacle avoidance | Line laser | 3D structured light (Reactive 3D) |
| Climbs thresholds | 22 mm | - |
| 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 |
| Released | 2025-03 | 2024-04 |