Oppo A20 vs Vivo V40 - mobile2u.net
| Technology | 3G, 4G, 5G | 3G, 4G, 5G |
| Display Size | 6.6 inches | 6.7 inches |
| Display Type | IPS LCD | AMOLED |
| Screen size | 1080 x 2400 pixels | 1080 x 2400 pixels |
| Refresh Rate | 90Hz | 120Hz |
| Main Camera | 50MP | 50MP |
| Ultrawide Camera | 5MP | 8MP |
| Front Camera | 16MP | 50MP |
| RAM | 6GB | 12GB |
| Storage | 128GB | 256GB |
| Chipset | Snapdragon 8 Gen 4 | Snapdragon 8 Gen 3 |
| CPU | Octa core | Octa core |
| GPU | Adreno 620 | Adreno 750 |
| Battery | 5000 mAh Li-Po | 5500 mAh Li-lon |
| Fast Charging | 18W | 80W |
| OS | Android 15 | Android 14 |
| USB | Type C 2.0 | Type C 3.2 |
| SIM | Dual SIM | Nano SIM |
| Bluetooth | 5.3 | 5.3 |
