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- K70 vs Y31d
TCL K70 vs Vivo Y31d
What K70 does better (6) and where Y31d wins (6) — every spec side by side.
Dimensions
Size comparison
K70Y31d
| K70 | Y31d | Difference | |
|---|---|---|---|
| Height | 167.7 mm | 166.6 mm | +1.1 mm |
| Width | 79.1 mm | 78.4 mm | +0.7 mm |
| Thickness | 8.3 mm | 8.4 mm | −0.1 mm |
| Weight | 190 g | 219 g | −29 g |
Drawn to the same scale from the official dimensions (front and side).
Why is K70 better than Y31d?
- NFCYes · Y31d: No
- Memory card slotYes · Y31d: No
- 3.5 mm headphone jackYes · Y31d: No
- Weight190 g vs 219 g+15%
- Bluetooth6 vs 5.1+18%
- Main camera aperturef/1.8 vs f/2+11%
Why is Y31d better than K70?
- RAM4 GB vs 8 GB2×
- Battery capacity5,200 mAh vs 7,200 mAh+38%
- Water resistance (IPx)IPx4 vs IPx82×
- Storage (max)128 GB vs 256 GB2×
- Peak brightness750 nits vs 1,250 nits+67%
- CPU frequency2.2 GHz vs 2.9 GHz+32%
Specifications
Side by side
| Design | ||
| Weight | 190 g | 219 g |
| Thickness | 8.3 mm | 8.4 mm |
| Height | 167.7 mm | 166.6 mm |
| Width | 79.1 mm | 78.4 mm |
| Frame | Plastic | Plastic |
| Back | Silicone polymer | Plastic |
| Ingress protection | IP64 | IP68 |
| Water resistance (IPx) | IPx4 | IPx8 |
| Colours | Space Grey | 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 | 750 nits | 1,250 nits |
| Screen-to-body ratio | 84% | 85.3% |
| Performance | ||
| Chipset | Mediatek Helio G100 | Qualcomm SM6225-AF Snapdragon 6s 4G Gen 2 |
| Chip maker | MediaTek | Qualcomm |
| Process | 6 nm | 6 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.2 GHz | 2.9 GHz |
| GPU | Mali-G57 MC2 | Adreno |
| Memory | ||
| RAM | 4 GB | 8 GB |
| Storage (max) | 128 GB | 256 GB |
| Storage (base) | 128 GB | 128 GB |
| Storage type | — | UFS 2.2 |
| Memory card slot | Yes | No |
| Camera | ||
| Main camera | 50 MP | 50 MP |
| Main camera aperture | f/1.8 | f/2 |
| Main sensor size | 1/2.88" | — |
| 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 | 5,200 mAh | 7,200 mAh |
| Battery type | — | Si/C |
| Wired charging | — | 44 W |
| Charged in 30 min | — | 35% |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | No | — |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 6 | 5.1 |
| NFC | Yes | No |
| USB | USB Type-C 2.0 | USB Type-C 2.0 |
| USB version | 2 | 2 |
| Satellite navigation | GLONASS, GALILEO, BDS | 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 | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass |
| Software | ||
| OS at launch | Android 16 | Android 16 |
| Platform | Android | Android |
| Interface | — | OriginOS 6 |
| EU label | ||
| Energy class | A | — |
