OPPO A31 vs A78 5G

OPPO A31OPPO A31Helio P35Change
OPPO A78 5GOPPO A78 5GDimensity 700Change

Chipset

Chipset
Helio P35Dimensity 700
Process
12 nm7 nm
CPU
4× 2.30 GHz Cortex-A53
4× 1.80 GHz Cortex-A532× 2.20 GHz Cortex-A76
6× 2.00 GHz Cortex-A55
Top CPU speed
2.30 GHz2.20 GHz
CPU cores
88
GPU
PowerVR Rogue GE8320Mali-G57 MC2

Memory

Versions seen
4GB | 32GB
4GB | 64GB
4GB | 128GB
6GB | 64GB6GB | 128GB
RAM type
LPDDR4XLPDDR4x

Display

Size
6.5 in6.6 in
Resolution
720 × 1600720 × 1612
Pixel density
269 ppi269 ppi
Refresh rates
60 Hz90 Hzalso 60

Battery

Capacity
4,230 mAh5,000 mAh

Cameras

Back camera
12.7 MP4112 × 3088 · f/1.8 · 4.05 mm13 MP4160 × 3120 · f/2.2 · 3.37 mm
Front camera
8 MP3264 × 2448 · f/2 · 2.75 mm8 MP3264 × 2448 · f/2 · 2.78 mm

Megapixels are what Android reports to apps. Many phones combine pixels by default, so the advertised megapixels can be higher.

Connectivity

Wi-Fi
—Wi-Fi 5
6 GHz Wi-Fi
—No
NFC
NoNo
UWB
NoNo
USB host
YesYes

Software

Android
Android 9Android 12
Released with
Android 9Android 12
Widevine DRM
L3L3

Sensors

Sensors
23 sensors26 sensors
A31 full specs A78 5G full specs

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From phones shared with the Device Info app · updated October 2026 Hardware specs only. No personal data. Privacy