HMD Skyline vs Vivo Y31 5G
Which one should you buy?
Who leads where?
- DisplayHMD Skyline
- PerformanceVivo Y31 5G
- CameraHMD Skyline
- Battery and ChargingVivo Y31 5G
- DesignVivo Y31 5G
Wins are counted from the official values in the table below; the BUY / CONSIDER / WAIT call comes from each product's own decision box. We do not predict prices.
The differences in short
Processor: HMD Skyline Snapdragon 7s Gen 2, Vivo Y31 5G Snapdragon 4 Gen 2. Screen Size: HMD Skyline 6.55", Vivo Y31 5G 6.68". HMD Skyline leads on Main Camera: 108 MP against 50 MP. Vivo Y31 5G leads on Battery: 6500 mAh against 4600 mAh. Vivo Y31 5G leads on Fast Charging: 44 W against 33 W.
Which one for what you do?
Gaming
Even
57% – 58%
Photo / Video
Even
51% – 50%
Battery Life
Vivo Y31 5G
68% – 45%
Daily Use
Vivo Y31 5G
78% – 64%
The percentages are Kacbu Match scores: computed from official specifications for that use, with no price in them.
 HMDHMD SkylineNo reviews yet |  VivoVivo Y31 5GNo reviews yet | |
|---|---|---|
| Key Differences | ||
| Processor | Snapdragon 7s Gen 2 | Snapdragon 4 Gen 2 |
| Screen Size | 6.55" | 6.68" |
| Main Camera | 108 MP | 50 MP |
| Battery | 4600 mAh | 6500 mAh |
| Fast Charging | 33 W | 44 W |
| Display | ||
| Size | 6.55" | 6.68" |
| Panel | P-OLED | LCD |
| Resolution | 1080x2400 | 720x1608 |
| Refresh Rate | 144 Hz | 120 Hz |
| Peak Brightness | 1000 nit | No data |
| Performance | ||
| Chipset | Snapdragon 7s Gen 2 | Snapdragon 4 Gen 2 |
| Graphics Processor | Adreno 710 | No data |
| RAM | 8 GB | 8 GB |
| Storage | 128 GB | 256 GB |
| Storage type | No data | LPDDR4X + UFS 3.1 |
| Manufacturing Technology | 4 nm | 4 nm |
| Camera | ||
| Main Camera | 108 MP | 50 MP |
| Main Aperture | f/1.8 | f/1.8 |
| Telephoto | 2x | No data |
| Telephoto Resolution | 50 MP | No data |
| Front Camera | 50 MP | 8 MP |
| Battery and Charging | ||
| Capacity | 4600 mAh | 6500 mAh |
| Wired Charging | 33 W | 44 W |
| Wireless Charging | 15 W | No data |
| Wireless Charging Support | Yes (Qi2 Magnetic) | No data |
| Design | ||
| Weight | 209.5 g | 209 g |
| Thickness | 8.9 mm | 8.39 mm |
| Frame | Aluminum | No data |
| Back Surface | Glass | Composite plastic |
| Connectivity | ||
| 5G | Yes | Yes |
| SIM | Dual SIM | Dual Nano-SIM |
| Bluetooth | 5.3 | 5.1 |
| NFC | No data | Yes |
| Durability and security | ||
| IP Certification | IP54 | IP68/IP69 |
| Biometrics | Side Fingerprint Sensor | Side-mounted fingerprint |
| Software | ||
| Operating System | Android | No data |
| Version | Android 14 (Upgradable to 15) | Android 15 |
| Interface | No data | Funtouch OS 15 |
| Update Promise | 2 major OS updates | No data |
| Multimedia and ports | ||
| USB | USB Type-C 2.0 | USB 2.0 |
Vivo Y31 5G leads on 5 of 8 compared specs.
This table is based on manufacturers official specifications. Winning on paper does not always mean a difference in everyday use.