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OPPO A78 4G vs Vivo Y31

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- Updated: 8th Aug 2025, 21:38 IST

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OPPO A78 4G vs Vivo Y31

Key Feature Comparison

OPPO A78 4G

Vivo Y31

Add more phone to compare

At a Glance

Octa core (2.4 GHz, Quad core, Kryo 265 + 1.9 GHz, Quad core, Kryo 265)

Quad core, 1.3 GHz, Cortex A7

5000 mAh

2100 mAh

6.43 inches

4.7 inches

Dual, 50MP + 2MP

Single, 8MP

4G

3G

Detailed Specs

Screen Size

Screen Type

Screen Resolution

Pixel Density

Aspect Ratio

Screen Protection

Screen to Body Ratio

Screen Design

Screen Refresh Rate

Screen Quality

Peak Brightness

Phone Variants

Expandable Storage

RAM Type

Storage Type

Expandable Storage Capacity

OTG Support

Sensors

Operating System

GPU

Chipset

CPU

Custom User Interface

Clock Speed

Architecture

Process Technology

Battery Capacity

Battery Removable

Battery Type

Charger Type

USB Type-C

Fast Charging

Charging Time

Announced On

Market Status

Brand

Model Number

Price Status

Price

GPS

Audio Features

NFC

Network Support

Bluetooth

FM Radio

3.5mm Audio Jack

SIM Size

Wi-Fi

Bluetooth Type

Audio Jack

SIM Slot(s)

eSIM

Wi-Fi Features

VoLTE

SIM 1 Bands

SIM 2 Bands

Front Video Recording

Front Camera Setup

Front Camera 1 Resolution

Front Camera 1 Type

Front Aperture

Front Flash

Weight