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- L40s Pro Ultra vs X40 Ultra
Dreame L40s Pro Ultra vs Dreame X40 Ultra
What L40s Pro Ultra does better (4) and where X40 Ultra wins (5) — every spec side by side.
vs
6.7Cleaning power6.3
9.1Navigation9.6
7.1Mopping7.4
8.2Base station8.2
7.4Battery9.5
Dimensions
Size comparison
L40s Pro UltraX40 Ultra
| L40s Pro Ultra | X40 Ultra | Difference | |
|---|---|---|---|
| Height | 104 mm | 97 mm | +7 mm |
| Width / diameter | 350 mm | 350 mm | = |
| Length | 350 mm | 350 mm | = |
| Weight | 4.2 kg | 4.2 kg | = |
Drawn to the same scale from the official dimensions (front and side).
Why is L40s Pro Ultra better than X40 Ultra?
- Suction power19,000 Pa vs 12,000 Pa+58%
- Threshold climbing40 mm vs 22 mm+82%
- Charging time210 min vs 270 min+29%
- Noise level74 dB vs 76 dB+3%
Why is X40 Ultra better than L40s Pro Ultra?
- Obstacle avoidanceAI camera vs AI camera + 3D structured light
- Runtime180 min vs 260 min+44%
- Battery capacity5,200 mAh vs 6,400 mAh+23%
- Height104 mm vs 97 mm+7%
- Dustbin (robot)300 ml vs 380 ml+27%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 19,000 Pa | 12,000 Pa |
| Dustbin (robot) | 300 ml | 380 ml |
| Main brush | Dual main brushes | Single main brush |
| Anti-tangle brush | Yes | — |
| Side brushes | 1 | 1 |
| Extending side brush | Yes | Yes |
| Carpet detection | Yes | Yes |
| Dirt detection | Yes | Yes |
| Noise level | 74 dB | 76 dB |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Laser (LiDAR) |
| Navigation sensors | LiDAR laser (LDS), Cliff sensors, Ultrasonic sensor | LiDAR laser (LDS), Wall sensor, Cliff sensors |
| Obstacle avoidance | AI camera | AI camera + 3D structured light |
| Threshold climbing | 40 mm | 22 mm |
| No-go zones / virtual walls | Yes | Yes |
| Room mapping & room selection | Yes | Yes |
| Mopping | ||
| Mop type | Rotating mop pads | Rotating mop pads |
| Mop lifting on carpets | Yes | Yes |
| Mop lift height | 10.5 mm | 10.5 mm |
| Extending mop (edges) | Yes | Yes |
| Water tank (robot) | 80 ml | — |
| Base station | ||
| Base station | All-in-one dock (empty + wash) | All-in-one dock (empty + wash) |
| Auto-empty dust station | Yes | Yes |
| Dust bag (dock) | 3.2 l | 3.2 l |
| Mop washing in the dock | Yes | Yes |
| Hot-water mop washing | Yes | Yes |
| Hot-air mop drying | Yes | Yes |
| Automatic water refill | Yes | Yes |
| Plumbed water connection | Yes | Yes |
| Clean water tank (dock) | 4.5 l | 4.5 l |
| Dirty water tank (dock) | 4 l | 4 l |
| Battery & runtime | ||
| Battery capacity | 5,200 mAh | 6,400 mAh |
| Runtime | 180 min | 260 min |
| Charging time | 210 min | 270 min |
| Recharge & resume | Yes | — |
| Size & weight | ||
| Width / diameter | 350 mm | 350 mm |
| Length | 350 mm | 350 mm |
| Height | 104 mm | 97 mm |
| Weight | 4.2 kg | 4.2 kg |
| Shape | Round | Round |
| Colours | White, Gold | White |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant, Apple Siri | Amazon Alexa, Google Assistant |
| Live camera view / video call | Yes | — |
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