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- D9 Max Gen 2 vs Robot Vacuum X20 Pro
Dreame D9 Max Gen 2 vs Xiaomi Robot Vacuum X20 Pro
What D9 Max Gen 2 does better (2) and where Robot Vacuum X20 Pro wins (4) — every spec side by side.
vs
5.9Cleaning power5.0
5.8Navigation8.2
3.4Mopping6.7
8.0Battery5.2
Dimensions
Size comparison
D9 Max Gen 2Robot Vacuum X20 Pro
| D9 Max Gen 2 | Robot Vacuum X20 Pro | Difference | |
|---|---|---|---|
| Height | 97 mm | 97 mm | = |
| Width / diameter | 350 mm | 350 mm | = |
| Length | 350 mm | 350 mm | = |
| Weight | 3.2 kg | 3.7 kg | −0.5 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is D9 Max Gen 2 better than Robot Vacuum X20 Pro?
- Runtime285 min vs 160 min+78%
- Cleaning area per charge224 m² vs 120 m²+87%
Why is Robot Vacuum X20 Pro better than D9 Max Gen 2?
- Obstacle avoidanceBasic sensors (infrared / bumper) vs AI camera
- Mop typeMop pad vs Rotating mop pads
- Base stationCharging dock vs All-in-one dock (empty + wash)
- Suction power6,000 Pa vs 7,000 Pa+17%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 6,000 Pa | 7,000 Pa |
| Dustbin (robot) | 570 ml | — |
| Main brush | Single main brush | Single main brush |
| Side brushes | 1 | 1 |
| Carpet detection | Yes | Yes |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Laser (LiDAR) |
| Navigation sensors | LiDAR laser (LDS), Cliff sensors | LiDAR laser (LDS), Wall sensor, Cliff sensors, Ultrasonic sensor |
| Obstacle avoidance | Basic sensors (infrared / bumper) | AI camera |
| Threshold climbing | 20 mm | — |
| No-go zones / virtual walls | Yes | 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 |
| Water tank (robot) | 235 ml | — |
| Base station | ||
| Base station | Charging dock | All-in-one dock (empty + wash) |
| Auto-empty dust station | — | Yes |
| Dust bag (dock) | — | 2.5 l |
| Mop washing in the dock | — | Yes |
| Hot-air mop drying | — | Yes |
| Automatic water refill | — | Yes |
| Clean water tank (dock) | — | 4 l |
| Dirty water tank (dock) | — | 3.8 l |
| Battery & runtime | ||
| Battery capacity | 5,200 mAh | 5,200 mAh |
| Runtime | 285 min | 160 min |
| Charging time | 360 min | 360 min |
| Cleaning area per charge | 224 m² | 120 m² |
| Size & weight | ||
| Width / diameter | 350 mm | 350 mm |
| Length | 350 mm | 350 mm |
| Height | 97 mm | 97 mm |
| Weight | 3.2 kg | 3.7 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 |
