Best Robot Vacuums is reader-supported. When you buy through links on our site, we may earn a commission. Details.
We may earn a commission when you buy through links on this page. Learn more.
Dreame D20 Pro Plus vs Dreame L40 Ultra
The Dreame L40 Ultra wins with a score of 8.4/10. Best for: Pet households with mostly hard floors and large open spaces.
Dreame D20 Pro Plus
0.0/10$400
Winner
Dreame L40 Ultra
8.4/10$599
The Dreame L40 Ultra delivers near-flagship cleaning performance and the longest battery efficiency we've measured at a mid-range price.
Read full reviewScore Comparison
Dreame D20 Pro PlusDreame L40 Ultra
Overall
—8.4
Hard Floor
—9.0
Carpet
—8.0
Mopping
—8.5
Navigation
—8.8
Noise
—7.5
Smart Features
—8.5
Maintenance
—8.8
Specifications
| Dreame D20 Pro Plus | Spec | Dreame L40 Ultra |
|---|---|---|
| $400 | Price | $599 |
| 8000 | Suction (Pa) | 11000 |
| — | Battery (mAh) | 5200 |
| — | Noise (dB) | 65.0 |
| — | Dustbin (ml) | — |
| — | Water Tank (ml) | — |
| — | Mop Lift (mm) | 10.5 |
| — | Height (mm) | — |
| — | Weight (kg) | — |
| LiDAR + 3D Structured Light | Navigation | LiDAR + 3D Structured Light |
| ✅ | Self-Empty | ✅ |
| ❌ | Self-Wash Mop | ✅ |
| ❌ | Self-Dry Mop | ✅ |
| ✅ | AI Obstacle | ✅ |
Pros & Cons
Dreame D20 Pro Plus
Dreame L40 Ultra
Pros
- + 11,000Pa suction handles hard floors with ease
- + Class-leading battery efficiency (194 min runtime)
- + TriCut anti-tangle brush handles long hair well
- + 60°C hot water mop wash and auto-dry
- + Built-in voice control + Matter, Alexa, Google, HomeKit
Cons
- − Lower carpet performance vs flagship X40
- − Mop pad retention occasionally drops a pad
- − Louder than premium competitors at full power
- − Mopping won't replace deep manual cleaning on heavy stains
The Verdict
The Dreame L40 Ultra is the better choice with an overall score of 8.4/10 — best for pet households with mostly hard floors and large open spaces. The Dreame D20 Pro Plus is more affordable at $400 vs $599.