Oppo A91

Oppo A91

172 g (6.07 oz) weight
7.9 mm (0.31 in) thickness

6.4" (408 ppi)
1,080 x 2,400 pixels

Quad camera
48 + 8 + 2 + 2 MP

8 GB memory
128 GB storage

MediaTek Helio P70
Octa-core processor (12 nm)

4,025 mAh
Fast charging 20W


Released in December 2019.

The Oppo A91 has a weight of 172 g (6.07 oz) and it is 7.9 mm (0.31 in) thick.

Features a screen of 6.4 inches with a resolution of 1,080 x 2,400 pixels and a pixel density of 408 pixels per inch. It has 4 rear cameras (48 + 8 + 2 + 2 MP) and a front camera (16 MP).

Octa-core processor MediaTek Helio P70 with a maximum frequency of 2.10 GHz, which is combined with up to 8 GB memory and 128 GB storage.

Battery capacity is 4,025 mAh with fast charging of 20W.

Phones with a similarly sized screen

Screen size around 6.4 inches

Below are contemporary mobile phones of the Oppo A91 and with a similar screen size. Although the size of the screen is similar, there may be important differences on the screen (for example, resolution) or any other characteristics of the phone as the processor and cameras. You can click on any of them to see the detailed comparison.

Phones with the same chip

MediaTek Helio P70

Below are mobile phones with the same chip as Oppo A91. Overall performance is expected to be very similar among all of them. You can click on any of them to see the detailed comparison.

Similar phones from Oppo

Oppo A

Below are other mobile phones from the same serie as Oppo A91. Although they are sold under a similar name and they may have similar look and feel, there can be differences in screen, cameras and performance. Sometimes the differences could be very significant, while in other cases there could be just minor differences in the amount of memory or storage. You can click on any of them to see the detailed comparison.

Oppo A91

Brand Oppo
Model -
Release Date December 2019
Operating System ColorOS (Android 9.0)
Size 160.2 x 73.3 x 7.9 mm
6.31 x 2.89 x 0.31 in
Weight 172 g
6.07 oz
Size 6.4 inches
Resolution 1,080 x 2,400 pixels
PPI 408
Features OLED
Rear Quad camera
48 MP f/1.8 Wide
8 MP f/2.3 Ultra Wide
2 MP f/2.4 B/W
2 MP f/2.4 Depth
Front 16 MP f/2.0 Wide
Memory 4 GB
8 GB
Fixed 128 GB
Removable microSDXC
Chip MediaTek Helio P70
Octa-core processor
12 nm
CPU 4x 2.10 GHz Cortex-A73
4x 2.00 GHz Cortex-A53
GPU Mali-G72 MP3
Capacity 4,025 mAh
Features Fast charging 20W
Removable False
5G False
NFC False
3.5 mm Audio Jack True
Micro USB False
USB Type-C True
Lightning False

Size comparison

Oppo A91
Credit card
Credit card

Oppo A91

172 g
6.07 oz