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- D20 Ultra vs E40 Ultra
Dreame D20 Ultra vs Mova E40 Ultra
What D20 Ultra does better (1) and where E40 Ultra wins (5) — every spec side by side.
Dimensions
Size comparison
D20 UltraE40 Ultra
| D20 Ultra | E40 Ultra | Difference | |
|---|---|---|---|
| Height | 104 mm | 97 mm | +7 mm |
| Width / diameter | 350 mm | 350 mm | = |
| Length | 350 mm | 350 mm | = |
Drawn to the same scale from the official dimensions (front and side).
Why is D20 Ultra better than E40 Ultra?
- Dustbin (robot)320 ml vs 300 ml+7%
Why is E40 Ultra better than D20 Ultra?
- Suction power13,000 Pa vs 19,000 Pa+46%
- Runtime230 min vs 260 min+13%
- Threshold climbing20 mm vs 22 mm+10%
- Height104 mm vs 97 mm+7%
- Noise level65 dB vs 61 dB+7%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 13,000 Pa | 19,000 Pa |
| Dustbin (robot) | 320 ml | 300 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 | Yes |
| Noise level | 65 dB | 61 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, Ultrasonic sensor |
| Obstacle avoidance | Basic sensors (infrared / bumper) | Basic sensors (infrared / bumper) |
| Threshold climbing | 20 mm | 22 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 | 10.5 mm |
| Extending mop (edges) | — | Yes |
| Water tank (robot) | — | 80 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) | 3.2 l | 3.2 l |
| Mop washing in the dock | Yes | Yes |
| Hot-air mop drying | Yes | Yes |
| Automatic water refill | Yes | Yes |
| Clean water tank (dock) | 4.5 l | 4.5 l |
| Dirty water tank (dock) | 4 l | 4 l |
| Battery & runtime | ||
| Battery capacity | 5,200 mAh | 5,200 mAh |
| Runtime | 230 min | 260 min |
| Charging time | 210 min | 210 min |
| Cleaning area per charge | — | 220 m² |
| Recharge & resume | Yes | — |
| Size & weight | ||
| Width / diameter | 350 mm | 350 mm |
| Length | 350 mm | 350 mm |
| Height | 104 mm | 97 mm |
| Weight | 3.9 kg | — |
| Shape | Round | Round |
| Colours | White | White |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant | Amazon Alexa, Google Assistant |
