Vivo Y31 vs Vivo Y20G comparison
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| key specs |
| Display | 6.58-inch | 6.51-inch |
| Processor | Qualcomm Snapdragon 662 | MediaTek Helio G80 |
| Front Camera | 16-megapixel | 8-megapixel |
| Rear Camera | 48-megapixel + 2-megapixel + 2-megapixel | 13-megapixel + 2-megapixel + 2-megapixel |
| RAM | 6GB | 4GB, 6GB |
| Storage | 128GB | 64GB, 128GB |
| Battery Capacity | 5000mAh | 5000mAh |
| OS | Android 11 | Android 11 |
| Resolution | 1080x2408 pixels | 720x1600 pixels |
| general |
| Brand | Vivo | Vivo |
| Model | Y31 | Y20G |
| Release date | January 20, 2021 | January 19, 2021 |
| Launched in India | Yes | Yes |
| Form factor | Touchscreen | Touchscreen |
| Dimensions (mm) | 163.86 x 75.32 x 8.38 | 164.41 x 76.32 x 8.41 |
| Weight (g) | 188.00 | 192.00 |
| Battery capacity (mAh) | 5000 | 5000 |
| Fast charging | Proprietary | Proprietary |
| Colours | Ocean Blue, Racing Black | Obsidian Black, Purist Blue |
| display |
| Screen size (inches) | 6.58 | 6.51 |
| Touchscreen | Yes | Yes |
| Resolution | 1080x2408 pixels | 720x1600 pixels |
| Aspect ratio | 20:9 | 20:9 |
| hardware |
| Processor | octa-core | octa-core |
| Processor make | Qualcomm Snapdragon 662 | MediaTek Helio G80 |
| RAM | 6GB | 4GB, 6GB |
| Internal storage | 128GB | 64GB, 128GB |
| Expandable storage | - | Yes |
| camera |
| Rear camera | 48-megapixel (f/1.79) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4) | 13-megapixel (f/2.2) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4) |
| Rear autofocus | Yes | Yes |
| Rear flash | Yes | - |
| Front camera | 16-megapixel (f/2.0) | 8-megapixel (f/1.8) |
| software |
| Operating system | Android 11 | Android 11 |
| Skin | Funtouch OS 11 | FunTouch OS 11 |
| connectivity |
| Wi-Fi | Yes | Yes |
| GPS | Yes | Yes |
| Bluetooth | Yes, v 5.00 | Yes, v 5.00 |
| USB OTG | Yes | - |
| USB Type-C | Yes | - |
| FM | Yes | Yes |
| Number of SIMs | 2 | 2 |
| Wi-Fi standards supported | - | 802.11 b/g/n |
| Micro-USB | - | Yes |
| sim 1 |
| SIM Type | Nano-SIM | Nano-SIM |
| GSM/CDMA | GSM | GSM |
| 3G | Yes | Yes |
| 4G/ LTE | Yes | Yes |
| sim 2 |
| SIM Type | Nano-SIM | Nano-SIM |
| GSM/CDMA | GSM | GSM |
| 3G | Yes | Yes |
| 4G/ LTE | Yes | Yes |
| sensors |
| Fingerprint sensor | Yes | Yes |
| Compass/ Magnetometer | Yes | Yes |
| Proximity sensor | Yes | Yes |
| Accelerometer | Yes | Yes |
| Ambient light sensor | Yes | Yes |