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- 4 vs A9 Pro 2021
Fairphone 4 vs Umidigi A9 Pro 2021
What 4 does better (12) and where A9 Pro 2021 wins (6) — every spec side by side.
vs
4.1Display4.1
8.0Camera6.3
2.8Battery2.6
6.8Features4.4
Dimensions
Size comparison
4A9 Pro 2021
| 4 | A9 Pro 2021 | Difference | |
|---|---|---|---|
| Height | 162 mm | 158.7 mm | +3.3 mm |
| Width | 75.5 mm | 74.9 mm | +0.6 mm |
| Thickness | 10.5 mm | 8.6 mm | +1.9 mm |
| Weight | 225 g | 205 g | +20 g |
Drawn to the same scale from the official dimensions (front and side).
Why is 4 better than A9 Pro 2021?
- Wired charging20 W vs 10 W2×
- Storage (max)256 GB vs 128 GB2×
- Optical stabilisationYes · A9 Pro 2021: No
- 5GYes · A9 Pro 2021: No
- NFCYes · A9 Pro 2021: No
- Max video4K vs 1080p
- eSIMYes · A9 Pro 2021: No
- CPU frequency2.2 GHz vs 2 GHz+10%
- Process8 nm vs 12 nm+50%
- Bluetooth5.1 vs 4.2+21%
- Main camera aperturef/1.6 vs f/1.8+12%
- Selfie camera25 MP vs 24 MP+4%
Why is A9 Pro 2021 better than 4?
- Water resistance (IPx)IPx4 vs IPx82×
- Battery capacity3,905 mAh vs 4,150 mAh+6%
- 3.5 mm headphone jackNo · 4: Yes
- Weight225 g vs 205 g+10%
- Thickness10.5 mm vs 8.6 mm+22%
- Screen-to-body ratio79.7% vs 82%+3%
Specifications
Side by side
| Design | ||
| Weight | 225 g | 205 g |
| Thickness | 10.5 mm | 8.6 mm |
| Height | 162 mm | 158.7 mm |
| Width | 75.5 mm | 74.9 mm |
| Frame | Aluminium | Aluminium |
| Back | Plastic | — |
| Ingress protection | IP54 | IP68 |
| Water resistance (IPx) | IPx4 | IPx8 |
| Glass protection | Corning Gorilla Glass 5 | Corning Gorilla Glass |
| Colours | Gray, Green, Speckled Green | Onyx Black, Forest Green |
| Display | ||
| Screen size | 6.3″ | 6.3″ |
| Panel | IPS LCD | IPS LCD |
| OLED panel | No | No |
| Resolution (width) | 1,080 px | 1,080 px |
| Resolution (height) | 2,340 px | 2,340 px |
| Pixel density | 409 ppi | 409 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Screen-to-body ratio | 79.7% | 82% |
| Performance | ||
| Chipset | Qualcomm SM7225 Snapdragon 750G 5G | Mediatek Helio P60 |
| Chip maker | Qualcomm | MediaTek |
| Process | 8 nm | 12 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.2 GHz | 2 GHz |
| GPU | Adreno 619 | Mali-G72 MP3 |
| Memory | ||
| RAM | 8 GB | 8 GB |
| Storage (max) | 256 GB | 128 GB |
| Storage (base) | 128 GB | 128 GB |
| Storage type | — | UFS 2.1 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 48 MP | 48 MP |
| Main camera aperture | f/1.6 | f/1.8 |
| Main sensor size | 1/2.0" | 1/2.0" |
| Rear cameras | 2 | 2 |
| Optical stabilisation | Yes | No |
| Ultra-wide camera | Yes | Yes |
| Telephoto camera | No | No |
| Max video | 4K | 1080p |
| 4K video frame rate | 30 fps | — |
| Selfie camera | 25 MP | 24 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 3,905 mAh | 4,150 mAh |
| Battery type | Li-Ion | — |
| Wired charging | 20 W | 10 W |
| Charged in 30 min | 50% | — |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | Yes | No |
| eSIM | Yes | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 5.1 | 4.2 |
| NFC | Yes | No |
| USB | USB Type-C 3.0 | USB Type-C |
| USB version | 3 | — |
| Video output | Yes | — |
| Satellite navigation | GLONASS, GALILEO, BDS | GLONASS, GALILEO |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | No | Yes |
| Fingerprint sensor | Side | Rear |
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass | Fingerprint (rear-mounted), accelerometer, proximity, compass, thermometer (skin temperature) |
| SAR (head) | 0.49 W/kg | — |
| Software | ||
| OS at launch | Android 11 | Android 11 |
| Platform | Android | Android |
| Interface | Stock Android | — |
