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- RE4 Plus vs Robot Vacuum X20 Pro
EZVIZ RE4 Plus vs Xiaomi Robot Vacuum X20 Pro
What RE4 Plus does better (6) and where Robot Vacuum X20 Pro wins (5) — every spec side by side.
vs
3.4Cleaning power4.8
5.8Navigation8.3
4.8Mopping6.8
6.6Base station8.4
6.1Battery5.3
Dimensions
Size comparison
RE4 PlusRobot Vacuum X20 Pro
| RE4 Plus | Robot Vacuum X20 Pro | Difference | |
|---|---|---|---|
| Height | 95 mm | 97 mm | −2 mm |
| Width / diameter | 345 mm | 350 mm | −5 mm |
| Length | 345 mm | 350 mm | −5 mm |
| Weight | 3.1 kg | 3.7 kg | −0.6 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is RE4 Plus better than Robot Vacuum X20 Pro?
- Runtime180 min vs 160 min+12%
- Cleaning area per charge300 m² vs 120 m²2.5×
- Height95 mm vs 97 mm+2%
- Dust bag (dock)4 l vs 2.5 l+60%
- Charging time300 min vs 360 min+20%
- Dustbin (robot)350 ml vs 300 ml+17%
Why is Robot Vacuum X20 Pro better than RE4 Plus?
- Obstacle avoidanceBasic sensors (infrared / bumper) vs AI camera
- Mop typeMop pad vs Rotating mop pads
- Suction power4,000 Pa vs 7,000 Pa+75%
- Base stationAuto-empty dock vs All-in-one dock (empty + wash)
- Battery capacity4,900 mAh vs 5,200 mAh+6%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 4,000 Pa | 7,000 Pa |
| Dustbin (robot) | 350 ml | 300 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), Wall sensor, 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) | 300 ml | — |
| Base station | ||
| Base station | Auto-empty dock | All-in-one dock (empty + wash) |
| Auto-empty dust station | Yes | Yes |
| Dust bag (dock) | 4 l | 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 | 4,900 mAh | 5,200 mAh |
| Runtime | 180 min | 160 min |
| Charging time | 300 min | 360 min |
| Cleaning area per charge | 300 m² | 120 m² |
| Size & weight | ||
| Width / diameter | 345 mm | 350 mm |
| Length | 345 mm | 350 mm |
| Height | 95 mm | 97 mm |
| Weight | 3.1 kg | 3.7 kg |
| Shape | Round | Round |
| Colours | White | White |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant | Amazon Alexa, Google Assistant |
