Qualcomm SM4450 Snapdragon 4 Gen 2
128GB, 128GB
6GB • Expandable
50 MP
1080p
6.68 inch
720 × 1608 pixels • 120 Hz
Android 15, Funtouch 15
6500 mAh
Li-Ion
The vivo Y31, features a 6.68 inch display with 120 Hz refresh rate, powered by Qualcomm SM4450 Snapdragon 4 Gen 2, 6GB RAM and 128GB, 128GB storage, 50 MP camera and 6500 mAh battery.
General
| Brand | vivo |
| Model | vivo Y31 |
| Colors | Rose Red, Diamond Green |
| Status | Available |
| Released | September 15, 2025 |
| Announced | September 15, 2025 |
Network
| 2G Network | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 850 / 900 / 2100 |
| 4G Network | 1, 3, 5, 8, 28, 38, 40, 41 |
| 5G Network | 1, 3, 5, 8, 28, 40, 77, 78 SA/NSA |
| SIM Cards | Dual SIM (Nano-SIM + Nano-SIM) |
| Data Speed | HSPA, LTE, 5G |
| Bands Guide | Network Bands Guide |
Design
| Width | 77 mm (3.03 inch) |
| Height | 166.1 mm (6.54 inch) |
| Weight | 209 g (7.37 oz) |
| Thickness | 8.4 mm (0.33 inch) |
Display
| Resolution | 720 × 1608 pixels |
| Aspect Ratio | 20:9 |
| Display Size | 6.68 inch |
| Refresh Rate | 120 Hz |
| Pixel Density | 264 ppi |
| Peak Brightness | 1000 cd/m² |
| Screen-to-Body Ratio | ≈ 84.0% |
Software
| Operating System | Android 15, Funtouch 15 |
Processor & Memory
| GPU | Adreno 613 |
| RAM | 6GB |
| Chipset | Qualcomm SM4450 Snapdragon 4 Gen 2 |
| Internal Storage | 128GB, 128GB |
| Variants | 128GB 4GB RAM, 128GB 6GB RAM |
| CPU Cores | 8 |
| Max Speed | 2.2 GHz |
| Technology | 4 nm |
| CPU Architecture | 64-bit |
| Microarchitecture | 2x 2.2 GHz – Performance cores, 6x 1.95 GHz – Efficiency cores |
| Expandable Storage | Yes |
Main Camera
| Setup | Single camera |
| Cameras | 50 MP, f/1.8, ( Wide angle ) |
| Flash Type | LED flash |
| Flash Support | Yes |
| Video Support | Yes |
| Camera Support | Yes |
| Video Resolution | 1080p @ 30 fps |
Front Camera
| Setup | Single camera |
| Cameras | 8 MP, f/2.0, ( Wide angle ) |
| Video Support | Yes |
| Camera Support | Yes |
| Video Resolution | 1080p @ 30 fps |
Multimedia
| FM Radio | No |
| Loudspeaker | Yes |
| Headphone Jack | No |
Connectivity
| Bluetooth | Yes, v4.2 |
| USB Ports | USB Type-C 2.0 Gen 2 |
| GPS Support | Yes |
| NFC Support | No |
| Wi-Fi Support | Yes (Wi-Fi 802) |
| Wi-Fi Standards | 802.11/a/b/g/n/ac |
Battery
| Type | Li-Ion |
| Capacity | 6500 mAh |
| Wired Charging Speed | 44 W |
| Wireless Charging Support | No |