Dreame L40 Ultra Gen 2
A low-cost full self-cleaning dock with edge-reaching brush and mops, for homes with mostly hard floors and few clutter hazards.
Amazon $569.98$569.98
The Dreame L40 Ultra Gen 2 is the better robot vacuum overall, rated 4.3 to 4.2. The Dreame L40 Ultra Gen 2 leads on mopping. The Dreame L40 Ultra Gen 2 costs $10.01 less ($569.98 vs $579.99).
Prices were last checked November 3, 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.
Eufy Omni C30
A mid-price self-cleaning robot with spinning mop pads for homes that want hands-off dust storage and Matter control. Homes with lots of baseboard to mop should look at the C30 Edge.
Amazon $579.99$579.99
Which should you buy?
- Choose the Dreame L40 Ultra Gen 2 for mopping (Dual spinning pads, lifts 10.5 mm, extends to edges vs Dual spinning pads, lifts 12 mm).
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 | Dreame L40 Ultra Gen 2 | Eufy Omni C30 |
|---|---|---|
| Overall rating | 4.3/5 | 4.2/5 |
| Cleaning 30% | 73 not yet tested; estimated from 12 tested Dreame robots and the median of the 70 tested robots | 68 not yet tested; estimated from 9 tested Eufy robots and the median of the 70 tested robots |
| Value 25% | 70 $570 | 69 $580 |
| Dock 20% | 94 Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying | 100 Self-empties the bin, washes the mop |
| Navigation 15% | 85 LiDAR + 3D light | 85 LiDAR + 3D light |
| Mopping 10% | 76 Dual spinning pads, lifts 10.5 mm, extends to edges | 63 Dual spinning pads, lifts 12 mm |
Specifications
| Dreame L40 Ultra Gen 2 | Eufy Omni C30 | |
|---|---|---|
| Vacuum | ||
| Claimed suction | 25,000 Pa | 35,000 Pa |
| Main brush | Rubber brush (TriCut brush optional) | Anti-tangle floating rolling brush |
| Dustbin | 250 mL | - |
| Extending side brush | Yes | - |
| Mopping | ||
| Mop | Dual spinning pads, lifts 10.5 mm, extends to edges | Dual spinning pads, lifts 12 mm |
| Mop lift | 10.5 mm | 12 mm |
| Leaves mop at dock | No | - |
| Extending mop | Yes | No |
| Dock | ||
| Dock | Washes mop + empties | Washes mop + empties |
| Self-empties | Yes | Yes |
| Dust bag | 3.2 L | 2.5 L |
| Washes mop | Yes | Yes |
| Hot-water wash | Yes | - |
| Hot-air drying | Yes | - |
| Detergent dosing | No | - |
| Clean water tank | 4.5 L | 3 L |
| Navigation & app | ||
| Navigation | LiDAR + 3D light | LiDAR + 3D light |
| Obstacle avoidance | 3D structured light (3DAdapt) | Line laser, recognises 100+ object types |
| Climbs thresholds | 20 mm | 20 mm |
| Matter | Yes | Yes |
| Voice assistants | Alexa, Siri, Google Home | Alexa, Google Assistant, Siri |
| Build | ||
| Height | 3.8 in (97 mm) | 4.5 in (114 mm) |
| Retracting LiDAR | No | No |
| Battery | 5,200 mAh | 5,200 mAh |
| Run time | Up to 3 h 51 min | - |
| Weight | 8.8 lb (4 kg) | 10.8 lb (4.9 kg) |
| Warranty | 3 years | 1 year |
| Released | 2025-12 | 2026-09 |