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- Romo P vs L40 Ultra AE
DJI Romo P vs Dreame L40 Ultra AE
What Romo P does better (4) and where L40 Ultra AE wins (4) — every spec side by side.
vs
8.8Cleaning power7.5
8.2Navigation7.6
7.6Mopping7.4
6.3Base station8.2
6.5Battery6.8
Dimensions
Size comparison
Romo PL40 Ultra AE
| Romo P | L40 Ultra AE | Difference | |
|---|---|---|---|
| Height | 98 mm | 97 mm | +1 mm |
| Width / diameter | 351 mm | 350 mm | +1 mm |
| Length | 351 mm | 350 mm | +1 mm |
| Weight | 4.4 kg | 4 kg | +0.4 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is Romo P better than L40 Ultra AE?
- Suction power25,000 Pa vs 19,000 Pa+32%
- Charging time150 min vs 210 min+40%
- Noise level56 dB vs 74 dB+32%
- Cleaning area per charge178 m² vs 168 m²+6%
Why is L40 Ultra AE better than Romo P?
- Battery capacity5,000 mAh vs 5,200 mAh+4%
- Dustbin (robot)260 ml vs 395 ml+52%
- Dust bag (dock)2.4 l vs 3.2 l+33%
- Clean water tank (dock)4 l vs 4.5 l+12%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 25,000 Pa | 19,000 Pa |
| Dustbin (robot) | 260 ml | 395 ml |
| Main brush | Dual main brushes | Single main brush |
| Anti-tangle brush | Yes | — |
| Side brushes | 2 | 1 |
| Extending side brush | Yes | — |
| Carpet detection | Yes | Yes |
| Dirt detection | — | Yes |
| UV disinfection | Yes | — |
| Noise level | 56 dB | 74 dB |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Laser (LiDAR) |
| Navigation sensors | LiDAR laser (LDS), Cliff sensors, Ultrasonic sensor | LiDAR laser (LDS), Wall sensor, Cliff sensors, Ultrasonic sensor |
| Obstacle avoidance | AI camera | AI camera |
| Threshold climbing | — | 20 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 |
| Extending mop (edges) | Yes | Yes |
| Water tank (robot) | 164 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) | 2.4 l | 3.2 l |
| Mop washing in the dock | Yes | Yes |
| Hot-water mop washing | Yes | Yes |
| Hot-air mop drying | — | Yes |
| Automatic water refill | Yes | Yes |
| Plumbed water connection | — | Yes |
| Clean water tank (dock) | 4 l | 4.5 l |
| Dirty water tank (dock) | 3.2 l | 4 l |
| Battery & runtime | ||
| Battery capacity | 5,000 mAh | 5,200 mAh |
| Runtime | 180 min | 180 min |
| Charging time | 150 min | 210 min |
| Cleaning area per charge | 178 m² | 168 m² |
| Recharge & resume | — | Yes |
| Size & weight | ||
| Width / diameter | 351 mm | 350 mm |
| Length | 351 mm | 350 mm |
| Height | 98 mm | 97 mm |
| Weight | 4.4 kg | 4 kg |
| Shape | Round | Round |
| Colours | Transparent, White | Black |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | — | Amazon Alexa, Google Assistant, Apple Siri |
| Live camera view / video call | Yes | Yes |
