OPPO A31 vs OPPO A9 (2020)

Compare phone and tablet specifications of up to three devices at once.

Display

Size:

4.5 inches
6.5 inches

Resolution:

854 x 480 pixels, 218 PPI
720 x 1600 pixels, 20:9 ratio, 270 PPI

Technology:

IPS LCD
IPS LCD

Screen-to-body:

64.59 %
82.39 %

Colors:

16 777 216

Touchscreen:

Capacitive, Multi-touch

Features:

Ambient light sensor, Proximity sensor
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 410 8916
Qualcomm Snapdragon 665 SM6125

Processor:

Quad-core, ARM Cortex-A53, 64-bit
Octa-core, 2000 MHz, Kryo 260, 64-bit, 11 nm

GPU:

Adreno 306
Adreno 610

RAM:

1GB
4GB LPDDR4

Internal storage:

8GB
128GB

Storage expansion:

microSDXC up to 128 GB
microSDXC up to 256 GB

Device type:

Smartphone
Smartphone

OS:

Android
Android (10, 9.0 Pie), OPPO ColorOS UI

Battery

Capacity:

2000 mAh
5000 mAh

Type:

Li - Ion, User replaceable
Li - Polymer, Not user replaceable

Charging:

Reverse charging

Camera

Rear:

Single camera
Quad camera

Main camera:

8 MP (Autofocus)
48 MP (PDAF)

Specifications:

Aperture size: F2.2
Aperture size: F1.8; Sensor size: 1/2.3"; Pixel size: 0.8 μm

Second camera:

8 MP (Ultra-wide, Autofocus)

Specifications:

Aperture size: F2.2; Sensor size: 1/4"; Pixel size: 1.12 μm

Third camera:

2 MP

Specifications:

Aperture size: F2.4; Sensor size: 1/5"; Pixel size: 1.75 μm

Fourth camera:

2 MP (Depth information)

Specifications:

Aperture size: F2.4; Sensor size: 1/5"; Pixel size: 1.75 μm

Video recording:

1920x1080 (Full HD) (30 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (30 fps)

Features:

Video calling
Time-lapse video, EIS

Front:

5 MP
16 MP

Video capture:

1920x1080 (Full HD)

Design

Dimensions:

5.19 x 2.58 x 0.32 inches (131.9 x 65.54 x 8.03 mm)
6.44 x 2.98 x 0.36 inches (163.6 x 75.6 x 9.1 mm)

Weight:

4.76 oz (135.0 g)
6.88 oz (195.0 g)

Materials:

Back: Plastic; Frame: Plastic

Biometrics:

2D Face unlock, Fingerprint (touch)

Features:

Touch sensitive control keys

Keys:

Left: Lock/Unlock key; Right: Volume control
Left: Volume control; Right: Lock/Unlock key

Colors:

Blue, White
Space purple, Marine green, Vanilla mint

Cellular

LTE (FDD):

Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)

LTE (TDD):

Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
Bands 38(2600), 40(2300), 41(2600+)

UMTS:

Bands 2(1900), 1(2100)
Bands 5(850), 8(900), 1(2100)

Data Speed:

LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM:

Yes
Yes

SIM type:

Nano SIM, Micro SIM
Nano SIM

Multimedia

Headphones:

3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Multiple speakers

Features:

Album art cover, Background playback
Dolby Atmos

Screen mirroring:

Wireless screen share

Connectivity & Features

Bluetooth:

4.0
5.0

Wi-Fi:

Yes
802.11 b, g, n; Wi-Fi Direct, Hotspot

USB:

microUSB, USB 2.0
Type-C (reversible), USB 2.0

Features:

Mass storage device, Charging
Charging, OTG

Location:

GPS, A-GPS
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning

Sensors:

Accelerometer
Accelerometer, Gyroscope, Compass

Other:

Tethering, Computer sync, OTA sync

Phone features

Notifications:

Haptic feedback, Music ringtones (MP3), Polyphonic ringtones, Vibration, Flight mode, Silent mode, Speakerphone

Other features:

Voice dialing, Voice commands, Voice recording

Buyers information

In The Box:

Adapter, Headset, Micro USB Cable, Booklet with Warranty Card, Quick Start Guide, SIM Card Tool, Protective Film (pre-applied), Case

Availability

Officially announced:

Yes
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