OPPO A91
Display6.4 inches AMOLED
ChipsetMediatek Helio P70
Main Camera48 MP
Battery4025 mAh
Memory4 GB RAM, 128 GB
OSAndroid v9.0 (Pie), upgradable to v11
Powered by
MediaTek Helio P70
AnTuTu 11: 303,398 · Geekbench 6: 341 / 77922
Full specifications
General
Model
A91
Sim Type
Dual Sim, GSM+GSM
Dual Sim
Yes
Sim Size
Nano+Nano SIM
Device Type
Smartphone
Release Date
December 20, 2019
Design
Dimensions
73.3 x 160.2 x 7.9 mm
Weight
172 g
Display
Type
Color AMOLED Screen (16M Colors)
Touch
Yes
Size
6.4 inches, 1080 x 2400 pixels
Aspect Ratio
20:9
PPI
~ 408 PPI
Screen to Body Ratio
~ 85.5%
Glass Type
Corning Gorilla Glass 5
Notch
Yes, Water Drop Notch
Memory
RAM
4 GB
Storage
128 GB
Card Slot
Yes
Connectivity
GPRS
Yes
EDGE
Yes
3G
Yes
4G
Yes
Wifi
Yes, with wifi-hotspot
Bluetooth
Yes, v4.2, A2DP, LE
USB
Yes, USB-C v2.0
USB Features
USB on-the-go, USB Charging
Extra
GPS
Yes, with A-GPS, GLONASS, BDS
Fingerprint Sensor
Yes, In Display
Face Unlock
Yes
Sensors
Accelerometer, Gyro, Proximity, Compass
3.5mm Headphone Jack
Yes
NFC
Yes
Camera
Rear Camera
48 MP ƒ/1.8 (Wide Angle) · 8 MP ƒ/2.3 (Ultra Wide) · 2 MP ƒ/2.4 · 2 MP ƒ/2.4 (Depth Sensor)
Auto Focus
Yes
Features
HDR, Panorama
Video Recording
1080p @ 30 fps FHD
Flash
Yes, LED
Front Camera
16 MP ƒ/2 (Wide Angle)
Front Video Recording
1080p @ 30 fps FHD
Front Camera Features
HDR
Technical
OS
Android v9.0 (Pie), upgradable to v11
Chipset
Mediatek Helio P70
CPU
2 GHz, Octa Core Processor
Core Details
4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53
GPU
Mali-G72 MP3
Java
No
Browser
Yes, supports HTML5
Multimedia
Email
Yes
Music
Yes
Video
Yes
FM Radio
Yes
Document Reader
Yes
Battery
Type
Non-Removable Battery
Size
4025 mAh
Fast Charging
Yes, 20W Fast Charging
Specifications compiled from Smartprix. Last updated 2026-09-28.
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