Oppo A31

Oppo A9 2020

os

Android 9.0 (Pie), ColorOS 6.1

Android 9.0 (Pie); ColorOS 6.1

RAM

4 GB

8 GB

ROM

128 GB

128 GB

expandable

256 GB

256 GB

CPU

Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)

Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)

GPU

PowerVR GE8320

Adreno 610

SoC

Mediatek MT6765V/CB Helio P35 (12nm)

Qualcomm SDM665 Snapdragon 665 (11 nm)

number of cores

8core

8core

features

LED flash, HDR, panorama

Dual-LED dual-tone flash, panorama, HDR

primary

Triple:
12 MP, f/1.8, (wide), 1/2.86", 1.25m, PDAF
2 MP, f/2.4, (macro)
2 MP, f/2.4, (depth)

Quad:
48 MP, f/1.8, (wide), 1/2.3", 0.8m, PDAF
8 MP, f/2.3, 13mm (ultrawide), 1/4", 1.12m, AF
2 MP, f/2.4, 1/5", 1.75m
2 MP, f/2.4, 1/5", 1.75m, depth sensor

secondary

8 MP, f/2.0, (wide), 1/4.0", 1.12m

16 MP, f/2.0, 1/3.1", 1.0m

video

1080p@30fps

capacity

4230mAh

5000mAh

charging

Reverse charging

type

Li-Polymer (non-removable)

Li-Polymer (non-removable)

build

Glass front (Gorilla Glass 3), plastic back, plastic frame

dimension

163.9 x 75.5 x 8.3 mm

163.6 x 75.6 x 9.1 mm

display

IPS LCD capacitive touchscreen, 16M colors

IPS LCD capacitive touchscreen, 16M colors, 102.0 cm2 (~82.5% screen-to-body ratio)

protection

Corning Gorilla Glass 3 , 480 nits typ. brightness (advertised)

resolution

720 x 1600 pixels, 20:9 ratio (~270 ppi density)

720 x 1600 pixels, 20:9 ratio (~270 ppi density)

screen

6.5"

6.5"

weight

180 gm

195 gm

GPS

Yes, with A-GPS, GLONASS, BDS

USB

microUSB 2.0, USB On-The-Go

microUSB 2.0, USB On-The-Go

bluetooth

5.0, A2DP, LE

5.0, A2DP, LE

internet

2G/3G/4G/LTE

2G/3G/4G/LTE

wifi

Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot

Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot

radio

FM Radio

FM Radio

general

Dual SIM (Nano-SIM, dual stand-by)

sensors

Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass

Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass