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- Y31 (2021) vs Y51a
Vivo Y31 (2021) vs Vivo Y51a
What Y31 (2021) does better (0) and where Y51a wins (3) — every spec side by side.
vs
4.6Display4.6
5.7Camera6.5
4.6Battery4.6
3.5Features3.9
Dimensions
Size comparison
Y31 (2021)Y51a
| Y31 (2021) | Y51a | Difference | |
|---|---|---|---|
| Height | 163.9 mm | 163.9 mm | = |
| Width | 75.3 mm | 75.3 mm | = |
| Thickness | 8.4 mm | 8.4 mm | = |
| Weight | 188 g | 188 g | = |
Drawn to the same scale from the official dimensions (front and side).
Why is Y31 (2021) better than Y51a?
Y31 (2021) has no measurable advantages in this pair.
Why is Y51a better than Y31 (2021)?
- Storage (base)64 GB vs 128 GB2×
- Rear cameras1 vs 22×
- Ultra-wide cameraNo · Y31 (2021): Yes
Specifications
Side by side
| Design | ||
| Weight | 188 g | 188 g |
| Thickness | 8.4 mm | 8.4 mm |
| Height | 163.9 mm | 163.9 mm |
| Width | 75.3 mm | 75.3 mm |
| Colours | Racing Black, Ocean Blue | Titanium Sapphire, Crystal Symphony |
| Display | ||
| Screen size | 6.6″ | 6.6″ |
| Panel | IPS LCD | IPS LCD |
| OLED panel | No | No |
| Resolution (width) | 1,080 px | 1,080 px |
| Resolution (height) | 2,408 px | 2,408 px |
| Pixel density | 401 ppi | 401 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Screen-to-body ratio | 84.5% | 84.5% |
| Performance | ||
| Chipset | Qualcomm SM6115 Snapdragon 662 | Qualcomm SM6115 Snapdragon 662 |
| Chip maker | Qualcomm | Qualcomm |
| Process | 11 nm | 11 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2 GHz | 2 GHz |
| GPU | Adreno 610 | Adreno 610 |
| Memory | ||
| RAM | 8 GB | 8 GB |
| Storage (max) | 128 GB | 128 GB |
| Storage (base) | 64 GB | 128 GB |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 48 MP | 48 MP |
| Main camera aperture | f/1.8 | f/1.8 |
| Main sensor size | 1/2.0" | 1/2.0" |
| Rear cameras | 1 | 2 |
| Optical stabilisation | No | No |
| Ultra-wide camera | No | Yes |
| Telephoto camera | No | No |
| Max video | 4K | 4K |
| 4K video frame rate | 30 fps | 30 fps |
| Selfie camera | 16 MP | 16 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 5,000 mAh | 5,000 mAh |
| Wired charging | 18 W | 18 W |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | No | — |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 5 | 5 |
| NFC | No | No |
| USB | USB Type-C 2.0 | USB Type-C 2.0 |
| USB version | 2 | 2 |
| Satellite navigation | GLONASS, GALILEO, BDS | GLONASS, GALILEO, BDS |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | Yes |
| Fingerprint sensor | Side | Side |
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass |
| SAR (head) | — | 0.87 W/kg |
| Software | ||
| OS at launch | Android 11 | Android 11 |
| Platform | Android | Android |
| Interface | Funtouch 11 | Funtouch 12 |
