Dreame L40s Ultra vs Dreame D30 Ultra
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Quick take: The Dreame L40s Ultra costs $40 less; the Dreame D30 Ultra has stronger suction (25,000 vs 19,000 Pa); the Dreame L40s Ultra runs longer per charge (260 vs 230 min).
| Spec | Dreame L40s Ultra | Dreame D30 Ultra |
|---|---|---|
| Price | ~$500 | ~$540 |
| Type | Robot Vacuum & Mop | Robot Vacuum & Mop |
| Suction | 19000 Pa | 25,000 Pa |
| Battery | 260 min | 230 min |
| Navigation | LiDAR + Camera | LiDAR + Camera |
| Filtration | — | — |
| Cordless | Yes | Yes |
| Bagged | — | — |
| Noise | 66 dB | — |
| Dustbin | 395 ml | 300 ml |
| Water tank | 300 ml | 4.5 L |
| Self-empty dock | Yes | Yes |
| Auto mop washing | Yes | Yes |
| Hot water washing | Yes | No |
| Obstacle avoidance | Yes | Yes |
| Carpet detection | Yes | Yes |
| Auto mop lifting | Yes | Yes |
| Multi-floor mapping | Yes | Yes |
| App control | Yes | Yes |
| Dimensions | 13.8 x 13.8 x 4.1 in | 13.78 x 13.78 x 3.81 in |
| Weight | 9.9 lbs | 8.6 lbs |
| Warranty | 1 year | 3 years |
Pros & cons
Dreame L40s Ultra
- ✓Flagship-grade 19000Pa suction and hot water mop washing at a mid-range price
- ✓81% positive owner sentiment — praised for obstacle avoidance and pet hair
- ✓DuoBrush design shrugs off long hair that kills single-roller robots
- ✓MopExtend reaches baseboards and into corners most round robots miss
- ✓260-minute battery covers large homes in a single run
- ✗Carpet performance is good but not class-leading — fine dust stays in thick pile
- ✗Dock takes up serious floor space and the water tanks need weekly attention
- ✗Dreame app notifications are chatty out of the box
- ✗Frequent sale-price swings make it easy to overpay — wait for the $600s
Dreame D30 Ultra
- ✓25,000Pa suction beats several pricier Dreame L-series robots
- ✓230-minute runtime covers large homes in a single charge
- ✓MopExtend arm and TriCut detangling brush handle corners and pet hair well
- ✓Self-empty dock rated for roughly 100 days between bag changes
- ✓LiDAR navigation with multi-floor mapping and app no-go zones
- ✗Mop pads are rinsed with room-temperature water, not heat-washed, so greasy spots need more passes
- ✗No hot-air pad drying claim published, so pads may stay damp longer between cycles
- ✗Noise level isn't published by Dreame
- ✗300ml onboard dust box is small without the auto-empty dock
- ✗D30 Ultra CE sibling looks similar in listings but drops the self-cleaning washboard — easy to buy the wrong one