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- L40 Ultra AE vs Probot R90 Pro
Dreame L40 Ultra AE vs Welltec Probot R90 Pro
What L40 Ultra AE does better (9) and where Probot R90 Pro wins (1) — every spec side by side.
vs
7.5Cleaning power4.6
7.6Navigation5.8
7.4Mopping6.1
8.2Base station9.4
6.8Battery5.5
Dimensions
Size comparison
L40 Ultra AEProbot R90 Pro
| L40 Ultra AE | Probot R90 Pro | Difference | |
|---|---|---|---|
| Height | 97 mm | 99 mm | −2 mm |
| Width / diameter | 350 mm | 325 mm | +25 mm |
| Length | 350 mm | 325 mm | +25 mm |
| Weight | 4 kg | 3.4 kg | +0.6 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is L40 Ultra AE better than Probot R90 Pro?
- Suction power19,000 Pa vs 8,000 Pa2.4×
- Obstacle avoidanceAI camera vs Basic sensors (infrared / bumper)
- Runtime180 min vs 150 min+20%
- Mop lift height10.5 mm vs 8 mm+31%
- Charging time210 min vs 390 min+86%
- Height97 mm vs 99 mm+2%
- Dustbin (robot)395 ml vs 270 ml+46%
- Dust bag (dock)3.2 l vs 3 l+7%
- Noise level74 dB vs 76 dB+3%
Why is Probot R90 Pro better than L40 Ultra AE?
- Cleaning area per charge168 m² vs 300 m²+79%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 19,000 Pa | 8,000 Pa |
| Dustbin (robot) | 395 ml | 270 ml |
| Main brush | Single main brush | Single main brush |
| Anti-tangle brush | — | Yes |
| Side brushes | 1 | 1 |
| Carpet detection | Yes | Yes |
| Dirt detection | Yes | — |
| HEPA filter | — | Yes |
| Noise level | 74 dB | 76 dB |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Laser (LiDAR) |
| Navigation sensors | LiDAR laser (LDS), Wall sensor, Cliff sensors, Ultrasonic sensor | LiDAR laser (LDS), Wall sensor, Cliff sensors |
| Obstacle avoidance | AI camera | Basic sensors (infrared / bumper) |
| Threshold climbing | 20 mm | 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 | 8 mm |
| Extending mop (edges) | Yes | Yes |
| 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 l |
| Mop washing in the dock | Yes | Yes |
| Hot-water mop washing | Yes | — |
| Hot-air mop drying | Yes | Yes |
| Automatic water refill | Yes | Yes |
| Plumbed water connection | Yes | — |
| Clean water tank (dock) | 4.5 l | 4.5 l |
| Dirty water tank (dock) | 4 l | 4.5 l |
| Battery & runtime | ||
| Battery capacity | 5,200 mAh | 5,200 mAh |
| Runtime | 180 min | 150 min |
| Charging time | 210 min | 390 min |
| Cleaning area per charge | 168 m² | 300 m² |
| Recharge & resume | Yes | — |
| Size & weight | ||
| Width / diameter | 350 mm | 325 mm |
| Length | 350 mm | 325 mm |
| Height | 97 mm | 99 mm |
| Weight | 4 kg | 3.4 kg |
| Shape | Round | Round |
| Colours | Black | Black |
| 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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