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- Cool 12A vs A31
Coolpad Cool 12A vs OPPO A31
What Cool 12A does better (2) and where A31 wins (11) — every spec side by side.
Dimensions
Size comparison
Cool 12AA31
| Cool 12A | A31 | Difference | |
|---|---|---|---|
| Height | 156.2 mm | 163.9 mm | −7.7 mm |
| Width | 75.2 mm | 75.5 mm | −0.3 mm |
| Thickness | 8.9 mm | 8.3 mm | +0.6 mm |
| Weight | 202 g | 180 g | +22 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Cool 12A better than A31?
- Main camera16 MP vs 12 MP+33%
- Rear cameras2 vs 12×
Why is A31 better than Cool 12A?
- RAM4 GB vs 6 GB+50%
- Storage (max)64 GB vs 128 GB2×
- Battery capacity4,000 mAh vs 4,230 mAh+6%
- CPU cores4 vs 82×
- Dual SIMNo · Cool 12A: Yes
- CPU frequency2 GHz vs 2.3 GHz+15%
- Weight202 g vs 180 g+12%
- Screen size6.3″ vs 6.5″+3%
- Wi-Fi standardWi-Fi 4 vs Wi-Fi 5+25%
- Bluetooth4.2 vs 5+19%
- Thickness8.9 mm vs 8.3 mm+7%
Specifications
Side by side
| Design | ||
| Weight | 202 g | 180 g |
| Thickness | 8.9 mm | 8.3 mm |
| Height | 156.2 mm | 163.9 mm |
| Width | 75.2 mm | 75.5 mm |
| Frame | Plastic | Plastic |
| Back | Glass | Plastic |
| Glass protection | — | Corning Gorilla Glass 3 |
| Colours | Dream Black, Dream Blue, Fantasy Silver | Fantasy White, Mystery Black, Lake Green |
| Display | ||
| Screen size | 6.3″ | 6.5″ |
| Panel | IPS LCD | IPS LCD |
| OLED panel | No | No |
| Resolution (width) | 720 px | 720 px |
| Resolution (height) | 1,560 px | 1,600 px |
| Pixel density | 273 ppi | 270 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Peak brightness | — | 480 nits |
| Screen-to-body ratio | 82.9% | 82.4% |
| Performance | ||
| Chipset | Spreadtrum | Mediatek MT6765V/CB Helio P35 |
| Chip maker | — | MediaTek |
| Process | — | 12 nm |
| CPU cores | 4 | 8 |
| CPU frequency | 2 GHz | 2.3 GHz |
| GPU | — | PowerVR GE8320 |
| Memory | ||
| RAM | 4 GB | 6 GB |
| Storage (max) | 64 GB | 128 GB |
| Storage (base) | 64 GB | 64 GB |
| Storage type | eMMC 5.1 | eMMC 5.1 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 16 MP | 12 MP |
| Main camera aperture | — | f/1.8 |
| Main sensor size | — | 1/2.86" |
| Rear cameras | 2 | 1 |
| Optical stabilisation | No | No |
| Ultra-wide camera | No | No |
| Telephoto camera | No | No |
| Max video | 1080p | 1080p |
| Selfie camera | 8 MP | 8 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 4,000 mAh | 4,230 mAh |
| Battery type | Li-Po | Li-Po |
| Wireless charging | — | No |
| Connectivity | ||
| 5G | — | No |
| eSIM | No | No |
| Dual SIM | No | Yes |
| Wi-Fi standard | Wi-Fi 4 | Wi-Fi 5 |
| Bluetooth | 4.2 | 5 |
| NFC | No | No |
| USB | USB Type-C 2.0 | microUSB 2.0 |
| USB version | 2 | — |
| Satellite navigation | — | GLONASS, BDS |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | Yes |
| Fingerprint sensor | Side | Rear |
| Sensors | Fingerprint (side-mounted), accelerometer, proximity | Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass |
| Software | ||
| OS at launch | Android | Android 9.0 (Pie) |
| Platform | Android | Android |
| Interface | — | ColorOS 6.1 |
