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- D20 Pro vs Robot Vacuum S40 Pro
Dreame D20 Pro vs Xiaomi Robot Vacuum S40 Pro
What D20 Pro does better (4) and where Robot Vacuum S40 Pro wins (3) — every spec side by side.
vs
7.2Cleaning power7.6
5.8Navigation5.0
5.2Mopping7.0
8.0Battery5.9
Dimensions
Size comparison
D20 ProRobot Vacuum S40 Pro
| D20 Pro | Robot Vacuum S40 Pro | Difference | |
|---|---|---|---|
| Height | 97 mm | 99 mm | −2 mm |
| Width / diameter | 350 mm | 355 mm | −5 mm |
| Length | 350 mm | 355 mm | −5 mm |
| Weight | 3.5 kg | 4.2 kg | −0.7 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is D20 Pro better than Robot Vacuum S40 Pro?
- Runtime285 min vs 180 min+58%
- Height97 mm vs 99 mm+2%
- Dustbin (robot)700 ml vs 430 ml+63%
- Water tank (robot)350 ml vs 310 ml+13%
Why is Robot Vacuum S40 Pro better than D20 Pro?
- Mop typeMop pad vs Rotating mop pads
- Suction power13,000 Pa vs 15,000 Pa+15%
- Noise level76 dB vs 65 dB+17%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 13,000 Pa | 15,000 Pa |
| Dustbin (robot) | 700 ml | 430 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 |
| HEPA filter | — | Yes |
| Noise level | 76 dB | 65 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 | Basic sensors (infrared / bumper) | Basic sensors (infrared / bumper) |
| Threshold climbing | 20 mm | 20 mm |
| No-go zones / virtual walls | Yes | — |
| Room mapping & room selection | Yes | Yes |
| Mopping | ||
| Mop type | Mop pad | Rotating mop pads |
| Mop lifting on carpets | — | Yes |
| Mop lift height | — | 10 mm |
| Extending mop (edges) | — | Yes |
| Water tank (robot) | 350 ml | 310 ml |
| Base station | ||
| Base station | Charging dock | Charging dock |
| Auto-empty dust station | Yes | — |
| Dust bag (dock) | 5 l | — |
| Battery & runtime | ||
| Battery capacity | 5,200 mAh | 5,200 mAh |
| Runtime | 285 min | 180 min |
| Charging time | 360 min | 360 min |
| Cleaning area per charge | — | 180 m² |
| Recharge & resume | Yes | — |
| Size & weight | ||
| Width / diameter | 350 mm | 355 mm |
| Length | 350 mm | 355 mm |
| Height | 97 mm | 99 mm |
| Weight | 3.5 kg | 4.2 kg |
| Shape | Round | Round |
| Colours | White | White |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant, Apple Siri | Amazon Alexa, Google Assistant |
