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Dreame L10s Ultra Gen 2 vs Dreame L40 Ultra
These two robot vacuums are evenly matched with the same overall score.

Dreame L10s Ultra Gen 2
8.4/10$449
The single best value in robot vacuums for 2026 — flagship-grade specs for under $500.
Read full review 
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 review Score Comparison
Dreame L10s Ultra Gen 2Dreame L40 Ultra
Specifications
| Dreame L10s Ultra Gen 2 | Spec | Dreame L40 Ultra |
|---|
| $449 | Price | $599 |
| 10000 | Suction (Pa) | 11000 |
| 5200 | Battery (mAh) | 5200 |
| 60.0 | Noise (dB) | 65.0 |
| — | Dustbin (ml) | — |
| — | Water Tank (ml) | — |
| — | Mop Lift (mm) | 10.5 |
| — | Height (mm) | — |
| — | Weight (kg) | — |
| Smart Pathfinder LiDAR + 3DAdapt | Navigation | LiDAR + 3D Structured Light |
| ❌ | Self-Empty | ✅ |
| ❌ | Self-Wash Mop | ✅ |
| ❌ | Self-Dry Mop | ✅ |
| ❌ | AI Obstacle | ✅ |
Pros & Cons
Dreame L10s Ultra Gen 2
Pros- + 10,000Pa Vormax suction (2x Gen 1)
- + MopExtend RoboSwing reaches 4cm into corners
- + 75-day auto-empty dock
- + Hot water mop washing
- + Up to 240-minute runtime in Quiet Mode
Cons- − Mop lift only 10.5mm — not safe for thick carpet
- − Cat hair pickup is average vs flagships
- − No real-time carpet detection boost
- − Mid-tier obstacle avoidance vs flagships
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
Both vacuums scored equally. Your choice depends on your specific needs and budget.