Dreame L40s Ultra vs Dreame L10s Ultra Gen 2
vs
Quick take: The Dreame L10s Ultra Gen 2 costs $60 less; the Dreame L40s Ultra has stronger suction (19,000 vs 10,000 Pa); the Dreame L40s Ultra runs longer per charge (260 vs 240 min).
| Spec | Dreame L40s Ultra | Dreame L10s Ultra Gen 2 |
|---|---|---|
| Price | ~$500 | ~$440 |
| Type | Robot Vacuum & Mop | Robot Vacuum & Mop |
| Suction | 19000 Pa | 10,000 Pa |
| Battery | 260 min | 240 min |
| Navigation | LiDAR + Camera | LiDAR + Camera |
| Filtration | — | Washable filter |
| Cordless | Yes | Yes |
| Bagged | — | — |
| Noise | 66 dB | — |
| Dustbin | 395 ml | 300 ml |
| Water tank | 300 ml | — |
| 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 | 13.8 x 13.8 x 4.1 in | — |
| Weight | 9.9 lbs | — |
| Warranty | 1 year | 1 year |
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 L10s Ultra Gen 2
- ✓Hot-water mop washing and heated drying at a midrange price — mops stay fresh
- ✓MopExtend swing-out mop actually cleans edges and under cabinets
- ✓Huge 3.2 L dust bag needs changing only every couple of months
- ✓Ultrasonic carpet detection with flexible per-room carpet strategies
- ✓10,000 Pa suction is strong for the price bracket
- ✓240-minute quiet-mode runtime plus auto-recharge covers big homes
- ✗Obstacle avoidance trails flagship models — cables and socks are still at risk
- ✗Single rubber roller can let long hair reach the bearings over time
- ✗Dreame's app is powerful but cluttered compared with Roborock's
- ✗Only a 1-year standard warranty (extensions cost extra)
- ✗Quiet-mode runtime figure flatters real-world mixed cleaning times