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 4.1. The Ecovacs Deebot N30 Omni costs $20.59 less ($549.39 vs $569.98).
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.
Ecovacs Deebot N30 Omni
A budget all-in-one dock robot for hard-floor homes with pets; its carpet deep cleaning is weak and ECOVACS publishes few US specs.
Amazon $549.39$549.39
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 | Ecovacs Deebot N30 Omni |
|---|---|---|
| Overall rating | 4.3/5 | 4.1/5 |
| Cleaning 30% | 73 not yet tested; estimated from 12 tested Dreame robots and the median of the 70 tested robots | 55 measured 77% of sand from carpet, 97% of pet hair, no hair tangled |
| Value 25% | 70 $570 | 72 $549 |
| Dock 20% | 94 Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying | 94 Self-empties the bin, washes the mop, hot-air mop drying |
| Navigation 15% | 85 LiDAR + 3D light | 85 LiDAR + 3D light |
| Mopping 10% | 76 Dual spinning pads, lifts 10.5 mm, extends to edges | 71 Dual spinning pads, extends to edges |
Independent tests
Dreame L40 Ultra Gen 2
No independent test published yet.
Ecovacs Deebot N30 Omni
| Tested by | Carpet deep clean | Pet hair | Hair tangle (0 = none) | Area per charge | Conditions |
|---|---|---|---|---|---|
| Vacuum Wars | 77% | 97% | 0 | - | 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
| Dreame L40 Ultra Gen 2 | Ecovacs Deebot N30 Omni | |
|---|---|---|
| Vacuum | ||
| Claimed suction | 25,000 Pa | 10,000 Pa |
| Main brush | Rubber brush (TriCut brush optional) | single anti-tangle brush (ZeroTangle) |
| Dustbin | 250 mL | - |
| Extending side brush | Yes | - |
| Mopping | ||
| Mop | Dual spinning pads, lifts 10.5 mm, extends to edges | Dual spinning pads, extends to edges |
| Mop lift | 10.5 mm | - |
| Leaves mop at dock | No | No |
| Extending mop | Yes | Yes |
| Dock | ||
| Dock | Washes mop + empties | Washes mop + empties |
| Self-empties | Yes | Yes |
| Dust bag | 3.2 L | 2.6 L |
| Washes mop | Yes | Yes |
| Hot-water wash | Yes | - |
| Hot-air drying | Yes | Yes |
| Detergent dosing | No | No |
| Clean water tank | 4.5 L | - |
| Navigation & app | ||
| Navigation | LiDAR + 3D light | LiDAR + 3D light |
| Obstacle avoidance | 3D structured light (3DAdapt) | 3D structured light (TrueDetect 3D 3.0) |
| Climbs thresholds | 20 mm | 20 mm |
| Matter | Yes | - |
| Voice assistants | Alexa, Siri, Google Home | Alexa, Google Assistant |
| Build | ||
| Height | 3.8 in (97 mm) | - |
| Retracting LiDAR | No | No |
| Battery | 5,200 mAh | 5,200 mAh |
| Run time | Up to 3 h 51 min | Up to 5 h 20 min |
| Weight | 8.8 lb (4 kg) | - |
| Warranty | 3 years | 1 year |
| Released | 2025-12 | 2024-09 |