OPPO A91

128 GB, Blazing blue, 6.40", Dual SIM + SD, 48 Mpx, 4G

Product details

The OPPO A91 is equipped with a 48-megapixel quadruple camera, which offers many possibilities in the ultra-wide angle and macro range, especially for users with an affinity for photography. The quadruple
camera combination of the OPPO A91 consists of a 48MP main camera, an 8MP wide-angle macro lens as well as a 2MP mono lens and a 2MP portrait lens. The 4-in-1-pixel combination technology provides ultra-high resolution image content and high light sensitivity. This allows more detail to be captured, whether during the day or at night. With the ultra-wide angle macro lens, you can capture professional-quality, detailed images even in low light. Electronic Image Stabilization (EIS) and a hardware-based internal anti-shake gyroscope sensor ensure high-quality video stabilization. Even in shaky scenes, the OPPO A91 captures clear, sharp and stable motion pictures. With an aspect ratio of 20:9, a screen-to-body ratio of 90.7%, a light weight of 172g and a thickness of only 7.9mm, it fits comfortably in the hand. It offers the best features of the A series in the slimmest and lightest smartphone in the series to date.

Key specifications

Memory
8 GB
Storage capacity
128 GB
Display size (inches)
6.40"
Image resolution
2400 x 1080 pixels
Operating system
Android
Capacity
4025 mAh
Number of cameras
Dual Camera
Item number
13109765

General information

Manufacturer
OPPO
Category
Smartphones
Manufacturer no.
5971994
Release date
22.4.2020

Colour

Colour group
Blue
Exact colour description
Blazing blue

Material

Case material
Glass

Smartphone features

Model range
Oppo A
Mobile features
3.5mm jack socket, 
Face Unlock, 
Fingerprint

Operating system

Operating system
Android
Operating System Version
Android 9.0 (Pie)

Display properties

Display size (inches)
6.40"
Screen technology
AMOLED
Image resolution
2400 x 1080 pixels
Aspect ratio
20:9
Refresh rate
30 Hz
Pixel density
408 ppi

Connectivity

Mobile phone standard
4G
Connectivity
Bluetooth, 
NFC, 
WiFi hotspot, 
WLAN
Wi-Fi standard
Wi-Fi 1 / 802.11b, 
Wi-Fi 2 / 802.11a, 
Wi-Fi 3 / 802.11g, 
Wi-Fi 4 / 802.11n, 
Wi-Fi 5 / 802.11ac, 
Wi-Fi 6 / 802.11ax
Bluetooth version
4.2

Camera properties

Number of cameras
Dual Camera
Camera resolution
48 Mpx
F number main camera
1.80 f
Camera feature
Night mode, 
Wide-angle
Front camera resolution
16 Mpx
F number front camera
2 f
Max. Video resolution
1280 x 720 pixels
Max. video resolution standard
FHD+
Refresh rate at max. resolution
30p

Interface

USB connector type
USB-C

Processor

Mobile processor
Mediatek Helio P70
Number of processor cores
8 -Core
Processor clock frequency
2.10 GHz

Data storage properties

Memory
8 GB
Storage capacity
128 GB
Max. memory extension
256 GB
Memory card type
microSDXC

SIM

SIM card type
Nano SIM
SIM type
Dual SIM + SD
SIM slot
Nano SIM

Sensors

Sensors
Accelerometer, 
Compass, 
Gyro sensor, 
Proximity sensor

Navigation system properties

Type of satellite navigation system
A-GPS, 
Compass, 
GLONASS, 
GPS
Navigation software
Google Maps

Battery properties

Battery type
LiPo
Capacity
4025 mAh
Charging technology
Fast Charge, 
VOOC

Smart home features

Smart home ecosystem
Google Assistant

Scope of delivery

Scope of delivery
Charge adapter, 
Headphones, 
Protective case, 
Quick guide, 
SIM pin, 
USB-C cable, 
Warranty card

Product dimensions

Height
7.90 mm
Width
73.30 mm
Length
160.20 mm
Weight
172 g

Package dimensions

Length
17.80 cm
Width
9.40 cm
Height
7.50 cm
Weight
486 g

Reviews & Ratings

Statutory warranty score

How often does a product of this brand in the «Smartphones» category have a defect within the first 24 months?

Source: Galaxus
  • 12.TIM
  • 13.Fairphone
  • 14.OPPO
  • 15.Google
  • 16.Sony

Statutory warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Galaxus
  • 5.Emporia
  • 5.Honor
  • 5.OPPO
  • 5.Ulefone
  • 10.Samsung

Return rate

How often is a product of this brand in the «Smartphones» category returned?

Source: Galaxus
  • 7.Fairphone
  • 9.Doro
  • 10.OPPO
  • 10.Xiaomi
  • 12.HMD
Source: Galaxus

Translation: machine translated
Overall ratingVery good83/100
Good77/100
CHIP OnlineSingle testReleaseMarch 2022
  • PositiveStrong battery
  • PositiveGorilla Glass 5
  • PositiveNFC
  • NegativeNo dust and water protection according to IPx standard
  • NegativeWidevine Level 3 only
  • NegativeSlow LTE
Good76/100
Rank 9 out of 20Stiftung Warentest16 SmartphonesReleaseDecember 2020

Update in November: 16 new mobile phones in comparison New in Stiftung Warentest's mobile phone test: ?16 current smartphones. Among them are Samsung's new entry-level model, the Samsung Galaxy A31, Huawei's and Wiko's bestsellers, the Huawei Y5P and Wiko Y81, as well as the Motorola Moto G8 Power and the expensive top model, the Huawei P40 Pro Plus...

Very good90/100
PC Magazin Logo
PC MagazinSingle testReleaseSeptember 2020

The Oppo A91 offers both light and shade in terms of features. Savings have been made in the processor and the camera optics. However, the OLED display, design and feel enhance the 300-euro smartphone.

Very good90/100
onlinepc.ch Logo
onlinepc.chSingle testReleaseJune 2020
  • PositiveDisplay
  • PositiveCharging speed
  • PositiveSound
  • PositiveNFC
  • NegativeNo IPX certification

Oppo's A91 is an excellently equipped mobile phone for the bargain price of 319 francs, which even beats one or two other advanced top models. So if you don't want to spend a four-digit amount on an Oppo Find X2 Pro, you are well equipped with the A91.

Very good80/100
connect Logo
connectSingle testReleaseMay 2020

The Chinese high-flyer Oppo has presented its first entry-level model, the A91. At 299 euros, it is not one of the price breakers, but it comes with plenty of technology...