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- K14 vs Y31d
OPPO K14 vs Vivo Y31d
What K14 does better (6) and where Y31d wins (4) — every spec side by side.
Dimensions
Size comparison
K14Y31d
| K14 | Y31d | Difference | |
|---|---|---|---|
| Height | 166.6 mm | 166.6 mm | = |
| Width | 78.5 mm | 78.4 mm | +0.1 mm |
| Thickness | 8.6 mm | 8.4 mm | +0.2 mm |
| Weight | 216 g | 219 g | −3 g |
Drawn to the same scale from the official dimensions (front and side).
Why is K14 better than Y31d?
- Wired charging45 W vs 44 W+2%
- Memory card slotYes · Y31d: No
- 3.5 mm headphone jackYes · Y31d: No
- Main camera aperturef/1.8 vs f/2+11%
- Bluetooth5.4 vs 5.1+6%
- Charged in 30 min37% vs 35%+6%
Why is Y31d better than K14?
- Battery capacity7,000 mAh vs 7,200 mAh+3%
- CPU frequency2.4 GHz vs 2.9 GHz+21%
- Peak brightness1,125 nits vs 1,250 nits+11%
- Thickness8.6 mm vs 8.4 mm+2%
Specifications
Side by side
| Design | ||
| Weight | 216 g | 219 g |
| Thickness | 8.6 mm | 8.4 mm |
| Height | 166.6 mm | 166.6 mm |
| Width | 78.5 mm | 78.4 mm |
| Frame | Plastic | Plastic |
| Back | Plastic | Plastic |
| Ingress protection | IP68 | IP68 |
| Water resistance (IPx) | IPx8 | IPx8 |
| Colours | Prism Violet, Prism White, Icy Blue | Glow White, Starlight Grey |
| Display | ||
| Screen size | 6.8″ | 6.8″ |
| Panel | IPS LCD | IPS LCD |
| OLED panel | No | No |
| Resolution (width) | 720 px | 720 px |
| Resolution (height) | 1,570 px | 1,570 px |
| Pixel density | 256 ppi | 256 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,125 nits | 1,250 nits |
| Screen-to-body ratio | 85.2% | 85.3% |
| Performance | ||
| Chipset | Mediatek Dimensity 6300 | Qualcomm SM6225-AF Snapdragon 6s 4G Gen 2 |
| Chip maker | MediaTek | Qualcomm |
| Process | 6 nm | 6 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.4 GHz | 2.9 GHz |
| GPU | Mali-G57 MC2 | Adreno |
| Memory | ||
| RAM | 8 GB | 8 GB |
| Storage (max) | 256 GB | 256 GB |
| Storage (base) | 128 GB | 128 GB |
| Storage type | UFS 2.2 | UFS 2.2 |
| Memory card slot | Yes | No |
| Camera | ||
| Main camera | 50 MP | 50 MP |
| Main camera aperture | f/1.8 | f/2 |
| Rear cameras | 1 | 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 | 7,000 mAh | 7,200 mAh |
| Battery type | Si/C | Si/C |
| Wired charging | 45 W | 44 W |
| Charged in 30 min | 37% | 35% |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | Yes | — |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 5.4 | 5.1 |
| NFC | No | No |
| USB | USB Type-C 2.0 | USB Type-C 2.0 |
| USB version | 2 | 2 |
| Satellite navigation | GLONASS, GALILEO, QZSS | GLONASS, GALILEO, BDS, QZSS |
| Features | ||
| Stereo speakers | Yes | Yes |
| 3.5 mm headphone jack | Yes | No |
| Fingerprint sensor | Side | Side |
| Sensors | Fingerprint (side-mounted), accelerometer, proximity, compass | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass |
| SAR (head) | 1.14 W/kg | — |
| Software | ||
| OS at launch | Android 15 | Android 16 |
| Platform | Android | Android |
| Interface | ColorOS 15 | OriginOS 6 |
