Oppo A91

10 / 10 based on 1 review
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Oppo A91 (CPH2001)
Oppo A91 black left side
Oppo A91 black overview
Oppo A91 black back
Oppo A91 color overview
Oppo A91 blue back

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Oppo A91 product description

The Oppo A91 is a thin and fast phone from Oppo's economical A series. The A91 features a fingerprint scanner in the screen, a quadruple camera system and fairly large battery that is also quick to charge. All other details we would like to discuss with you

Screen with fingerprint recognition

The Oppo A91 is one of the most comprehensive phones from Oppo's A series. This series contains mostly simple phones but this A91 is anything but that. And that starts with the screen. It measures a spacious 6.4 inches and has a sharp FHD + resolution. The pixel density is nicely over 400 (PPI), which makes it almost impossible for the human eye to distinguish individual pixels. Images and text appear razor-sharp as a result. Oppo applies an AMOLED panel which has high contrast values with deep blacks and bright colours. What is special is that the fingerprint scanner is located in the screen. You rarely see that in this price category. And with 0.3 seconds, it is also particularly fast.

Oppo A91 black overview

Quad camera: something for everyone

On the back of the A91, we find no less than 4 different cameras. A 48MP main camera that combines 4 pixels in 1 which gives you clearer and sharper pictures. You will also find an 8MP camera with 119° ultra wide-angle lens. This allows you to capture more in the picture, ideal for capturing large groups of people or buildings. There is also a 2MP macro camera for close-ups up to 3cm and a 2MP depth camera. With the latter, the A91 recognises the foreground and background, so that you can take beautiful portrait photos. The presence of EIS (electrical image stabilisation) ensures smooth videos even when you walk and the necessary artificial intelligence (AI) makes sure that most settings are done automatically for you. All for a worry-free camera experience

Most important Oppo A91 specifications

  • 6.4-inch AMOLED screen and fingerprint recognition
  • 48+8+2+2MP camera with ultra wide-angle, macro and macro/mono lens
  • 16MP selfie camera in screen-notch
  • Octa-core processor with ample 8GB RAM memory
  • 128GB non-expandable storage
  • 4000 mAh battery with VOOC Flash Charge 3.0 fast charging

Lots of memory, dated software

The Oppo A91 has an impressive amount of memory. The 8GB RAM memory, where your applications run, is above average. And the storage memory, where all your apps, files and photos are stored, is with 128GB also on the large side. Fortunately, because you cannot expand it afterward with a separate memory card. The processor comes from MediaTek; the MT6771V. This is an octa-core processor that delivers average performance. However, in combination with the large amount of memory, it performs well. Another advantage is that the 4000 mAh large battery can be charged quickly. Oppo uses VOOC Flash Charge 3.0 for this. Half an hour on the charger is enough to fill the battery halfway. The only disadvantage we can think of is that the A91 comes with the fairly outdated ColorOS 6 that is based on Android 9. That doesn't have to be a problem, as Oppo has built the necessary functionality into ColorOS, but it does raise questions about future updates.

Oppo A91 specification summary

Dimensions 160,2 x 73,3 x 7,9 mm
Weight 172 gr
Product code CPH2001
EAN code 7423406242271, 7423406232210, 6944284655133, 6944284655119, 6944284654921, 6944284654907
Fingerprint recognition
Operating system
Android 9.0 (Pie)
Colour display 6.4 inch, AMOLED, notch
Camera 2 MP, 2 MP, 48 MP, 8 MP
Front camera 16 MP
Processor MediaTek helio P70, octa core
Dual SIM
Data network
4G (LTE)
Build-in memory
Internal memory 128 GB (Storage)
Memory card slot
Power supply
Battery 4025 mAh
Fast charging

All Oppo A91 specifications

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Oppo A91 alternatives

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Product images at scale
Oppo A91 (CPH2001)
Samsung Galaxy S10+ (G975)
Samsung Galaxy A51 4G (A515)
Samsung Galaxy S21 (G991)
Samsung Galaxy Note 10+ (N975)

Photos at scale

 Current product    
Fingerprint recognition
Android9.0 (Pie)9.0 (Pie)
119.0 (Pie)
Colour display6.4 inch, AMOLED, notch6.4 inch, Curved Dynamic AMOLED Quad HD+, hole-punch display6.5 inch, Infinity-O Display, hole-punch display6.2 inch, Infinity-O Display, hole-punch display6.8 inch, Dynamic AMOLED Infinity-O Display
Camera2 MP, 2 MP, 48 MP, 8 MP12 MP, 12 MP, 16 MP12 MP, 48 MP, 5 MP, 5 MP12 MP, 12 MP, 64 MP12 MP, 12 MP, 16 MP, VGA camera
Front camera16 MP10 MP, 8 MP32 MP10 MP10 MP
ProcessorMediaTek helio P70, octa core1.7 GHz, 2.4 GHz, 2.8 GHz, octa core1.7 GHz, 2.3 GHz, Samsung Exynos 9611, octa core2.4 GHz, 2.8 GHz, 2.9 GHz, Samsung Exynos 2100, octa coreOcta core
Dual SIM
4G (LTE)
Internal memory128 GB (Storage)1 TB (Storage), 128 GB (Storage), 512 GB (Storage)128 GB (Storage)128 GB (Storage), 256 GB (Storage)256 GB (Storage), 512 GB (Storage)
Memory card slot
Battery4025 mAh4100 mAh4000 mAh4000 mAh4300 mAh
Fast charging

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FAQs about the Oppo A91