Dreame L40s Ultra AE vs Dreame L50 Ultra
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Quick take: The Dreame L40s Ultra AE costs $230 less; the Dreame L50 Ultra has stronger suction (19,500 vs 19,000 Pa).
| Spec | Dreame L40s Ultra AE | Dreame L50 Ultra |
|---|---|---|
| Price | ~$670 | ~$900 |
| Type | Robot Vacuum & Mop | Robot Vacuum & Mop |
| Suction | 19,000 Pa | 19,500 Pa |
| Battery | 180 min | — |
| Navigation | LiDAR + Camera | LiDAR + Camera |
| Filtration | — | — |
| Cordless | Yes | Yes |
| Bagged | — | — |
| Noise | — | — |
| Dustbin | 395 ml | 395 ml |
| Water tank | 4.5 L | 4.5 L |
| Self-empty dock | Yes | Yes |
| Auto mop washing | Yes | Yes |
| Hot water washing | Yes | Yes |
| Obstacle avoidance | Yes | Yes |
| Carpet detection | Yes | Yes |
| Auto mop lifting | Yes | Yes |
| Multi-floor mapping | Yes | Yes |
| App control | Yes | Yes |
| Dimensions | 13.78 x 13.78 x 3.82 in | 13.7 x 13.86 x 3.82 in |
| Weight | 8.8 lbs | 9.8 lbs |
| Warranty | 3 years | 3 years |
Pros & cons
Dreame L40s Ultra AE
- ✓19,000Pa suction matches the pricier L40s Ultra
- ✓75°C hot-water mop washing plus hot-air pad drying at the dock
- ✓Auto solution adding and auto water tank refilling reduce manual dock topping-off
- ✓LiDAR + camera navigation with multi-floor mapping and app no-go zones
- ✓Self-empty base rated for roughly 100 days between bag changes
- ✗No 40mm double-step obstacle crossing or extending side brush the full L40s Ultra gets
- ✗No mop-pad removal, so it still mops with pads attached when going over rugs unless you set no-mop zones
- ✗395ml onboard dust box is small if the auto-empty dock is ever unavailable
- ✗Noise level isn't published by Dreame
- ✗Price sits close enough to the full L40s Ultra that the savings may not be worth the feature cuts
Dreame L50 Ultra
- ✓19,500Pa suction and a bigger 6,400mAh battery than the L40s Ultra
- ✓167°F hot-water mop washing, hotter than the L40s Ultra's 149°F cycle
- ✓2.36in double-step obstacle crossing clears taller thresholds and rug edges
- ✓Auto solution adding and auto water tank refilling cut down on dock maintenance
- ✓Self-empty dock rated for roughly 100 days between bag changes
- ✗Costs more than the L40s Ultra AE for what's an incremental spec bump, not a redesign
- ✗Battery runtime in minutes and noise level aren't published by Dreame
- ✗395ml onboard dust box is small if the auto-empty dock is ever unavailable
- ✗Base station has a large footprint like other Dreame Ultra docks