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- D20 Air Plus vs Robot Vacuum S40 Pro
Dreame D20 Air Plus vs Xiaomi Robot Vacuum S40 Pro
What D20 Air Plus does better (4) and where Robot Vacuum S40 Pro wins (6) — every spec side by side.
vs
7.4Cleaning power7.6
4.3Navigation4.9
4.4Mopping7.1
6.6Base station3.5
4.5Battery6.0
Dimensions
Size comparison
D20 Air PlusRobot Vacuum S40 Pro
| D20 Air Plus | Robot Vacuum S40 Pro | Difference | |
|---|---|---|---|
| Height | 95 mm | 99 mm | −4 mm |
| Width / diameter | 325 mm | 355 mm | −30 mm |
| Length | 325 mm | 355 mm | −30 mm |
| Weight | 2.6 kg | 4.2 kg | −1.6 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is D20 Air Plus better than Robot Vacuum S40 Pro?
- Base stationAuto-empty dock vs Charging dock
- Suction power20,000 Pa vs 15,000 Pa+33%
- Height95 mm vs 99 mm+4%
- Charging time270 min vs 360 min+33%
Why is Robot Vacuum S40 Pro better than D20 Air Plus?
- Mop typeMop pad vs Rotating mop pads
- Battery capacity3,200 mAh vs 5,200 mAh+62%
- Runtime150 min vs 180 min+20%
- Dustbin (robot)220 ml vs 430 ml+95%
- Cleaning area per charge140 m² vs 180 m²+29%
- Water tank (robot)280 ml vs 310 ml+11%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 20,000 Pa | 15,000 Pa |
| Dustbin (robot) | 220 ml | 430 ml |
| Main brush | Single main brush | Single main brush |
| Anti-tangle brush | Yes | Yes |
| Side brushes | 1 | 1 |
| Extending side brush | — | Yes |
| Carpet detection | Yes | Yes |
| HEPA filter | Yes | Yes |
| Noise level | — | 65 dB |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Laser (LiDAR) |
| Navigation sensors | LiDAR laser (LDS), Cliff sensors | LiDAR laser (LDS), Wall sensor, Cliff sensors |
| Obstacle avoidance | Basic sensors (infrared / bumper) | Basic sensors (infrared / bumper) |
| Threshold climbing | — | 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) | 280 ml | 310 ml |
| Base station | ||
| Base station | Auto-empty dock | Charging dock |
| Auto-empty dust station | Yes | — |
| Dust bag (dock) | 4 l | — |
| Battery & runtime | ||
| Battery capacity | 3,200 mAh | 5,200 mAh |
| Runtime | 150 min | 180 min |
| Charging time | 270 min | 360 min |
| Cleaning area per charge | 140 m² | 180 m² |
| Size & weight | ||
| Width / diameter | 325 mm | 355 mm |
| Length | 325 mm | 355 mm |
| Height | 95 mm | 99 mm |
| Weight | 2.6 kg | 4.2 kg |
| Shape | Round | Round |
| Colours | Black | White |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant, Apple Siri | Amazon Alexa, Google Assistant |
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