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- Moto G31 vs A9 Pro 2021
Motorola Moto G31 vs Umidigi A9 Pro 2021
What Moto G31 does better (6) and where A9 Pro 2021 wins (4) — every spec side by side.
vs
5.8Display4.1
7.6Camera6.3
3.5Battery2.6
4.1Features4.4
Dimensions
Size comparison
Moto G31A9 Pro 2021
| Moto G31 | A9 Pro 2021 | Difference | |
|---|---|---|---|
| Height | 161.9 mm | 158.7 mm | +3.2 mm |
| Width | 73.9 mm | 74.9 mm | −1 mm |
| Thickness | 8.6 mm | 8.6 mm | = |
| Weight | 181 g | 205 g | −24 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Moto G31 better than A9 Pro 2021?
- Battery capacity5,000 mAh vs 4,150 mAh+20%
- OLED panelYes · A9 Pro 2021: No
- NFCYes · A9 Pro 2021: No
- Main camera50 MP vs 48 MP+4%
- Weight181 g vs 205 g+13%
- Bluetooth5 vs 4.2+19%
Why is A9 Pro 2021 better than Moto G31?
- Water resistance (IPx)IPx2 vs IPx84×
- RAM6 GB vs 8 GB+33%
- Storage (base)64 GB vs 128 GB2×
- Selfie camera13 MP vs 24 MP+85%
Specifications
Side by side
| Design | ||
| Weight | 181 g | 205 g |
| Thickness | 8.6 mm | 8.6 mm |
| Height | 161.9 mm | 158.7 mm |
| Width | 73.9 mm | 74.9 mm |
| Frame | Plastic | Aluminium |
| Back | Plastic | — |
| Ingress protection | IP52 | IP68 |
| Water resistance (IPx) | IPx2 | IPx8 |
| Glass protection | — | Corning Gorilla Glass |
| Colours | Mineral Grey, Baby Blue | Onyx Black, Forest Green |
| Display | ||
| Screen size | 6.4″ | 6.3″ |
| Panel | AMOLED | IPS LCD |
| OLED panel | Yes | No |
| Resolution (width) | 1,080 px | 1,080 px |
| Resolution (height) | 2,400 px | 2,340 px |
| Pixel density | 411 ppi | 409 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Peak brightness | 700 nits | — |
| Measured brightness | 423 nits | — |
| Screen-to-body ratio | 82.7% | 82% |
| Performance | ||
| Chipset | Mediatek MT6769Z Helio G85 | Mediatek Helio P60 |
| Chip maker | MediaTek | MediaTek |
| Process | 12 nm | 12 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2 GHz | 2 GHz |
| GPU | Mali-G52 MC2 | Mali-G72 MP3 |
| AnTuTu score | 294,541 | — |
| Geekbench 6 (multi-core) | 1,319 | — |
| 3DMark Wild Life Extreme | 181 | — |
| Memory | ||
| RAM | 6 GB | 8 GB |
| Storage (max) | 128 GB | 128 GB |
| Storage (base) | 64 GB | 128 GB |
| Storage type | eMMC 5.1 | UFS 2.1 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 50 MP | 48 MP |
| Main camera aperture | f/1.8 | f/1.8 |
| Main sensor size | 1/2.76" | 1/2.0" |
| Rear cameras | 2 | 2 |
| Optical stabilisation | No | No |
| Ultra-wide camera | Yes | Yes |
| Telephoto camera | No | No |
| Optical zoom | 8× | — |
| Max video | 1080p | 1080p |
| Selfie camera | 13 MP | 24 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 5,000 mAh | 4,150 mAh |
| Battery type | Li-Po | — |
| Wired charging | 10 W | 10 W |
| Charged in 30 min | 23% | — |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | No | No |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 5 | 4.2 |
| NFC | Yes | No |
| USB | USB Type-C 2.0 | USB Type-C |
| USB version | 2 | — |
| Satellite navigation | GLONASS, GALILEO | GLONASS, GALILEO |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | Yes |
| Fingerprint sensor | Side | Rear |
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass | Fingerprint (rear-mounted), accelerometer, proximity, compass, thermometer (skin temperature) |
| Software | ||
| OS at launch | Android 11 | Android 11 |
| Platform | Android | Android |
