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
3.7/5
For homes with low furniture and pets that want a slim, hands-off robot; buy it on discount, as its deep carpet cleaning trails cheaper Roborocks.
- Washes mop + emptiesDock
- 71% measuredCarpet pickup
- LiDAR + cameraNavigation
- Vibrating padMop
- 3.1 inHeight
- 3 h 40 minRun time
Check price at Amazon$799.99
Price checked October 26, 2026. As an Amazon Associate we earn from qualifying purchases.
Older model: this replaces the Roborock S8 MaxV Ultra (rated 3.8). See every Roborock Saros 20 generation.
Pros
- Retracts its LiDAR to clean under furniture 3.1 in high
- Lifted 86% of pet hair from carpet and wrapped none on its brushes in Vacuum Wars’ tests
- Drops its mop at the dock, so carpets stay dry on vacuum-only runs
- Washes mops in hot water and dries them with heated air, with an optional plumbed-in dock
Cons
- Lifted only 71% of sand worked into carpet in Vacuum Wars’ test, low for its price
- Vibrating pad scrubs more lightly than spinning pads or a roller
- Supports only 2.4 GHz Wi-Fi
The Roborock Saros 10 family
Every Roborock Saros 10 model we rank, smallest first. Ratings compare each against its own type.
| Model | Dock | Rating | Price |
|---|---|---|---|
| Roborock Saros 10 (this one) | Washes mop + empties | 3.7/5 | $799.99 |
| Roborock Saros 10R | Washes mop + empties | 4.1/5 | $799.99 |
How it scores
The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its type. How we rank explains each one.
Independent tests
What independent testers measured, on their own test floors with their own units. Carpet deep clean and pet hair are the share of debris lifted; these feed the Cleaning score.
| Tested by | Carpet deep clean | Pet hair | Hair tangle (0 = none) | Area per charge | Conditions |
|---|---|---|---|---|---|
| Vacuum Wars | 71% | 86% | 0 | 1,128 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
| Vacuum | |
|---|---|
| Claimed suction | 22,000 Pa |
| Main brush | DuoDivide anti-tangle brush |
| Dustbin | 270 mL |
| Extending side brush | Yes |
| Mopping | |
| Mop | Vibrating pad, leaves its mop at the dock for carpet |
| Mop lift | 8 mm |
| Leaves mop at dock | Yes |
| Extending mop | No |
| Water tank | 70 mL |
| Dock | |
| Dock | Washes mop + empties |
| Self-empties | Yes |
| Washes mop | Yes |
| Hot-water wash | Yes |
| Hot-air drying | Yes |
| Detergent dosing | Yes |
| Water hookup option | Yes |
| Navigation & app | |
| Navigation | LiDAR + camera |
| Obstacle avoidance | Structured light and RGB camera, with side-facing VertiBeam structured light |
| Climbs thresholds | 40 mm |
| Matter | Yes |
| Voice assistants | Alexa, Google Assistant, Siri Shortcuts |
| Build | |
| Height | 3.1 in (79.8 mm) |
| Retracting LiDAR | Yes |
| Battery | 6,400 mAh |
| Run time | Up to 3 h 40 min |
| Warranty | 1 year |
| Released | 2025-02 |
Alternatives in this type
Eufy Omni C20
The cheapest way into a dock that washes the mops, for small homes with low furniture. Its weak carpet cleaning and short range rule it out for bigger or carpeted homes.
Amazon $379.99$379.99
Roborock Saros Z70
For early adopters who want a robot that tidies small clutter; buyers who just want clean floors get more for less elsewhere.
Amazon $999.98$999.98
Compare
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