MOVA S70 Roller
A cheaper roller-mop robot for low-furniture homes with mostly hard floors and few rugs.
Amazon $589$589
The MOVA S70 Roller is the better robot vacuum overall, rated 4.2 to 3.9. The Dreame X40 Ultra wins on navigation.
Prices were last checked November 4, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
Dreame X40 Ultra
Dreame’s 2024 flagship, now hard to find new; worth it only at a deep discount, as the X50 and L-series robots clean better.
Amazon $589.99$589.99
Which should you buy?
- Choose the Dreame X40 Ultra for navigation (LiDAR + camera vs LiDAR + 3D light).
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 S70 Roller | Dreame X40 Ultra |
|---|---|---|
| Overall rating | 4.2/5 | 3.9/5 |
| Cleaning 30% | 73 not yet tested; estimated from 5 tested MOVA robots and the median of the 70 tested robots | 37 measured 80% of sand from carpet, 75.5% of pet hair, some hair tangled (0.8) |
| Value 25% | 68 $589 | 68 $590 |
| Dock 20% | 89 Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying | 90 Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying, doses detergent |
| Navigation 15% | 85 LiDAR + 3D light | 100 LiDAR + camera |
| Mopping 10% | 85 Roller, extends to edges | 86 Dual spinning pads, leaves its mop at the dock for carpet, extends to edges |
Independent tests
MOVA S70 Roller
No independent test published yet.
Dreame X40 Ultra
| Tested by | Carpet deep clean | Pet hair | Hair tangle (0 = none) | Area per charge | Conditions |
|---|---|---|---|---|---|
| Vacuum Wars | 80% | 75.5% | 0.8 | 1,287 sq ft | Embedded sand in medium-pile carpet; flattened 2.5 in pet hair on carpet, two runs; 7 in hair tangle on hard floor (0 = none wrapped). |
Specifications
| MOVA S70 Roller | Dreame X40 Ultra | |
|---|---|---|
| Vacuum | ||
| Claimed suction | 30,000 Pa | 12,000 Pa |
| Main brush | Single rubber brush (TriCut brush optional) | Liftable rubber brush (TriCut Brush 2.0 sold separately) |
| Dustbin | 240 mL | 300 mL |
| Extending side brush | Yes | Yes |
| Mopping | ||
| Mop | Roller, extends to edges | Dual spinning pads, leaves its mop at the dock for carpet, extends to edges |
| Mop lift | - | 10.5 mm |
| Leaves mop at dock | No | Yes |
| Extending mop | Yes | Yes |
| Water tank | 150 mL | 80 mL |
| Dock | ||
| Dock | Washes mop + empties | Washes mop + empties |
| Self-empties | Yes | Yes |
| Dust bag | 3.2 L | 3.2 L |
| Washes mop | Yes | Yes |
| Hot-water wash | Yes | Yes |
| Hot-air drying | Yes | Yes |
| Detergent dosing | - | Yes |
| Water hookup option | No | No |
| Clean water tank | 5 L | 4.5 L |
| Navigation & app | ||
| Navigation | LiDAR + 3D light | LiDAR + camera |
| Obstacle avoidance | Dual-line laser, ToF edge sensing, ultrasonic rug detection | RGB camera plus 3D structured light, recognises 120 object types |
| Climbs thresholds | 22 mm | 22 mm |
| Voice assistants | - | Alexa, Siri, Google Home |
| Build | ||
| Height | 3.5 in (90 mm) | - |
| Retracting LiDAR | No | - |
| Battery | 5,200 mAh | 6,400 mAh |
| Warranty | 3 years | 3 years |
| Released | 2026-03 | 2024-04 |