Vivo Y31 5G vs Vivo Y78 5G comparison
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key specs |
Display | 6.68-inch | 6.64-inch |
Processor | Qualcomm Snapdragon 4 Gen 2 | MediaTek Dimensity 7020 |
Front Camera | 8-megapixel | 8-megapixel |
Rear Camera | 50-megapixel + 0.08-megapixel | 50-megapixel + 2-megapixel |
RAM | 4GB | 8GB |
Storage | 128GB | 256GB |
Battery Capacity | 6,500mAh | 5000mAh |
OS | Android 15 | Android 13 |
Resolution | 1,608x720 pixels | 2400x1080 pixels |
general |
Brand | Vivo | Vivo |
Model | Y31 5G | Y78 5G |
Release date | September 15, 2025 | May 10, 2023 |
Launched in India | Yes | No |
Form factor | Touchscreen | Touchscreen |
Body type | Plastic | - |
Dimensions (mm) | 166.14 x 77.01 x 8.39 | 164.06 x 76.17 x 7.98 |
Weight (g) | 209.00 | 190.00 |
IP rating | IP68 | - |
Battery capacity (mAh) | 6,500 | 5000 |
Removable battery | No | No |
Fast charging | 44W Flash Charge | 44W Flash Charge |
Wireless charging | No | No |
Colours | Rose Red and Diamond Green | Bright Night Black, Jade Porcelain Blue, Phoenix Feather Gold |
display |
Refresh Rate | 120 Hz | 120 Hz |
Screen size (inches) | 6.68 | 6.64 |
Touchscreen | Yes | Yes |
Resolution | 1,608x720 pixels | 2400x1080 pixels |
Pixels per inch (PPI) | 264 | 394 |
Resolution Standard | - | FHD+ |
hardware |
Processor | 2.2GHz MHz octa-core | octa-core |
Processor make | Qualcomm Snapdragon 4 Gen 2 | MediaTek Dimensity 7020 |
RAM | 4GB | 8GB |
Internal storage | 128GB | 256GB |
Expandable storage | Yes | - |
Expandable storage type | microSD | - |
Expandable storage up to (GB) | 2TB | - |
camera |
Rear camera | 50-megapixel (f/f/1.8) + 0.08-megapixel (f/f/3.0) | 50-megapixel (f/1.8) + 2-megapixel (f/2.4) |
No. of Rear Cameras | 2 | 2 |
Rear flash | Yes | - |
Front camera | 8-megapixel (f/f/2.0) | 8-megapixel |
No. of Front Cameras | 1 | 1 |
Pop-Up Camera | No | - |
software |
Operating system | Android 15 | Android 13 |
Skin | Funtouch OS 15 | Origin OS 3 |
connectivity |
Wi-Fi | Yes | Yes |
GPS | Yes | Yes |
Bluetooth | Yes, v 4.20 | Yes, v 5.30 |
NFC | No | Yes |
USB Type-C | Yes | Yes |
Number of SIMs | 2 | 2 |
Infrared | - | Yes |
Headphones | - | 3.5mm |
sim 1 |
SIM Type | Nano-SIM | Nano-SIM |
GSM/CDMA | GSM | - |
4G/ LTE | Yes | - |
5G | Yes | - |
sim 2 |
SIM Type | Nano-SIM | Nano-SIM |
GSM/CDMA | GSM | - |
4G/ LTE | Yes | - |
5G | Yes | - |
sensors |
Fingerprint sensor | Yes | Yes |
Compass/ Magnetometer | Yes | Yes |
Proximity sensor | Yes | Yes |
Accelerometer | Yes | Yes |
Ambient light sensor | Yes | Yes |
Gyroscope | No | - |
Barometer | No | - |
Temperature sensor | No | - |
Face unlock | - | Yes |