Vivo V40 vs Vivo Y31s 5G
Which one should you buy?
Who leads where?
- PerformanceVivo V40
- DesignVivo V40
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: Vivo V40 Snapdragon 7 Gen 3, Vivo Y31s 5G Snapdragon 4 Gen 2. Screen Size: Vivo V40 6.78", Vivo Y31s 5G 6.72". Main Camera is the same on both: 50 MP. Vivo Y31s 5G leads on Battery: 6500 mAh against 5500 mAh. Vivo V40 leads on Fast Charging: 80 W against 44 W.
Which one for what you do?
Gaming
Vivo V40
72% – 58%
Photo / Video
Vivo V40
68% – 50%
Battery Life
Vivo Y31s 5G
68% – 50%
Daily Use
Vivo Y31s 5G
74% – 67%
The percentages are Kacbu Match scores: computed from official specifications for that use, with no price in them.
 VivoVivo V40No reviews yet |  VivoVivo Y31s 5GNo reviews yet | |
|---|---|---|
| Key Differences | ||
| Processor | Snapdragon 7 Gen 3 | Snapdragon 4 Gen 2 |
| Screen Size | 6.78" | 6.72" |
| Main Camera | 50 MP | 50 MP |
| Battery | 5500 mAh | 6500 mAh |
| Fast Charging | 80 W | 44 W |
| Display | ||
| Size | 6.78" | 6.72" |
| Panel | AMOLED | LCD |
| Resolution | 1260x2800 | 1080x2408 |
| Refresh Rate | 120 Hz | 120 Hz |
| Peak Brightness | 4500 nit | No data |
| Performance | ||
| Chipset | Snapdragon 7 Gen 3 | Snapdragon 4 Gen 2 |
| RAM | 12 GB | 8 GB |
| Storage | 256 GB | 256 GB |
| Storage type | LPDDR4X + UFS 2.2 | LPDDR4X + UFS 3.1 |
| Manufacturing Technology | 4 nm | 4 nm |
| Camera | ||
| Main Camera | 50 MP | 50 MP |
| Main Aperture | f/1.88 | f/1.8 |
| Ultra Wide | 50 MP | No data |
| Front Camera | 50 MP | 32 MP |
| Battery and Charging | ||
| Capacity | 5500 mAh | 6500 mAh |
| Wired Charging | 80 W | 44 W |
| Design | ||
| Weight | 190 g | 209 g |
| Thickness | 7.58 mm | 8.39 mm |
| Back Surface | Glass | Composite plastic |
| Connectivity | ||
| 5G | Yes | Yes |
| SIM | Dual Nano-SIM | Dual Nano-SIM |
| Bluetooth | 5.4 | 5.1 |
| NFC | Yes | Yes |
| Durability and security | ||
| IP Certification | IP68/IP69 | IP68/IP69 |
| Biometrics | Optical In-Display Fingerprint | Side-mounted fingerprint |
| Software | ||
| Version | Android 14 | Android 16 |
| Interface | Funtouch OS 14 | OriginOS 6 |
| Multimedia and ports | ||
| USB | USB 2.0 | USB 2.0 |
Vivo V40 leads on 5 of 7 compared specs.
This table is based on manufacturers official specifications. Winning on paper does not always mean a difference in everyday use.