Tecno SPARK 40C vs Vivo Y31 5G
Which one should you buy?
Who leads where?
- PerformanceVivo Y31 5G
- CameraVivo Y31 5G
- Battery and ChargingVivo Y31 5G
- DesignTecno SPARK 40C
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: Tecno SPARK 40C Helio G81, Vivo Y31 5G Snapdragon 4 Gen 2. Screen Size: Tecno SPARK 40C 6.67", Vivo Y31 5G 6.68". Vivo Y31 5G leads on Main Camera: 50 MP against 13 MP. Vivo Y31 5G leads on Battery: 6500 mAh against 6000 mAh. Vivo Y31 5G leads on Fast Charging: 44 W against 18 W.
Which one for what you do?
Gaming
Vivo Y31 5G
72% – 58%
Photo / Video
Vivo Y31 5G
56% – 50%
Battery Life
Vivo Y31 5G
68% – 50%
Daily Use
Vivo Y31 5G
84% – 66%
The percentages are Kacbu Match scores: computed from official specifications for that use, with no price in them.
 TecnoTecno SPARK 40CNo reviews yet |  VivoVivo Y31 5GNo reviews yet | |
|---|---|---|
| Key Differences | ||
| Processor | Helio G81 | Snapdragon 4 Gen 2 |
| Screen Size | 6.67" | 6.68" |
| Main Camera | 13 MP | 50 MP |
| Battery | 6000 mAh | 6500 mAh |
| Fast Charging | 18 W | 44 W |
| Display | ||
| Size | 6.67" | 6.68" |
| Panel | No data | LCD |
| Resolution | 720x1600 | 720x1608 |
| Refresh Rate | 120 Hz | 120 Hz |
| Performance | ||
| Chipset | Helio G81 | Snapdragon 4 Gen 2 |
| RAM | 4 GB | 8 GB |
| Storage | 128 GB | 256 GB |
| Storage type | No data | LPDDR4X + UFS 3.1 |
| Manufacturing Technology | No data | 4 nm |
| Camera | ||
| Main Camera | 13 MP | 50 MP |
| Main Aperture | No data | f/1.8 |
| Front Camera | 8 MP | 8 MP |
| Battery and Charging | ||
| Capacity | 6000 mAh | 6500 mAh |
| Wired Charging | 18 W | 44 W |
| Design | ||
| Weight | No data | 209 g |
| Thickness | 8.37 mm | 8.39 mm |
| Back Surface | No data | Composite plastic |
| Connectivity | ||
| 5G | No data | Yes |
| SIM | No data | Dual Nano-SIM |
| Bluetooth | No data | 5.1 |
| NFC | No data | Yes |
| Durability and security | ||
| IP Certification | No data | IP68/IP69 |
| Biometrics | No data | Side-mounted fingerprint |
| Software | ||
| Operating System | Android | No data |
| Version | Android 15 | Android 15 |
| Interface | No data | Funtouch OS 15 |
| Multimedia and ports | ||
| Speaker | Stereo | No data |
| USB | No data | USB 2.0 |
Vivo Y31 5G leads on 5 of 6 compared specs.
This table is based on manufacturers official specifications. Winning on paper does not always mean a difference in everyday use.