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- K31 vs A12s
LG K31 vs OPPO A12s
What K31 does better (5) and where A12s wins (7) — every spec side by side.
Dimensions
Size comparison
K31A12s
| K31 | A12s | Difference | |
|---|---|---|---|
| Height | 147.8 mm | 155.9 mm | −8.1 mm |
| Width | 71.1 mm | 75.5 mm | −4.4 mm |
| Thickness | 8.6 mm | 8.3 mm | +0.3 mm |
| Weight | 146 g | 165 g | −19 g |
Drawn to the same scale from the official dimensions (front and side).
Why is K31 better than A12s?
- Rear cameras2 vs 12×
- Ultra-wide cameraYes · A12s: No
- Weight146 g vs 165 g+13%
- Pixel density295 ppi vs 271 ppi+9%
- Main camera aperturef/1.8 vs f/2.2+22%
Why is A12s better than K31?
- Battery capacity3,000 mAh vs 4,230 mAh+41%
- RAM2 GB vs 3 GB+50%
- CPU frequency2 GHz vs 2.35 GHz+18%
- Screen size5.7″ vs 6.2″+9%
- Wi-Fi standardWi-Fi 4 vs Wi-Fi 5+25%
- Screen-to-body ratio77.2% vs 81.5%+6%
- Thickness8.6 mm vs 8.3 mm+4%
Specifications
Side by side
| Design | ||
| Weight | 146 g | 165 g |
| Thickness | 8.6 mm | 8.3 mm |
| Height | 147.8 mm | 155.9 mm |
| Width | 71.1 mm | 75.5 mm |
| Frame | — | Plastic |
| Back | — | Plastic |
| Glass protection | — | Corning Gorilla Glass 3 |
| Colours | Gray | Deep Blue, Flowing Silver |
| Display | ||
| Screen size | 5.7″ | 6.2″ |
| Panel | IPS LCD | IPS LCD |
| OLED panel | No | No |
| Resolution (width) | 720 px | 720 px |
| Resolution (height) | 1,520 px | 1,520 px |
| Pixel density | 295 ppi | 271 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Peak brightness | — | 450 nits |
| Screen-to-body ratio | 77.2% | 81.5% |
| Performance | ||
| Chipset | Mediatek MT6762 Helio P22 | Mediatek MT6765 Helio P35 |
| Chip maker | MediaTek | MediaTek |
| Process | 12 nm | 12 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2 GHz | 2.35 GHz |
| GPU | PowerVR GE8320 | PowerVR GE8320 |
| Memory | ||
| RAM | 2 GB | 3 GB |
| Storage (max) | 32 GB | 32 GB |
| Storage (base) | 32 GB | 32 GB |
| Storage type | eMMC 5.1 | eMMC 5.1 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 13 MP | 13 MP |
| Main camera aperture | f/1.8 | f/2.2 |
| Main sensor size | 1/3.1" | 1/3.1" |
| Rear cameras | 2 | 1 |
| Optical stabilisation | No | No |
| Ultra-wide camera | Yes | No |
| Telephoto camera | No | No |
| Max video | 1080p | 1080p |
| Selfie camera | 5 MP | 5 MP |
| 4K selfie video | No | — |
| Battery | ||
| Battery capacity | 3,000 mAh | 4,230 mAh |
| Battery type | Li-Ion | Li-Po |
| Wired charging | — | 10 W |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | No | No |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 4 | Wi-Fi 5 |
| Bluetooth | 5 | 5 |
| NFC | No | No |
| USB | microUSB 2.0 | microUSB 2.0 |
| Satellite navigation | — | GLONASS, BDS |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | Yes |
| Fingerprint sensor | Rear | Rear |
| Sensors | Fingerprint (rear-mounted), accelerometer | Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass |
| Software | ||
| OS at launch | Android 10 | Android 9.0 (Pie) |
| Platform | Android | Android |
| Interface | — | ColorOS 6.1 |
