Oppo A91: A Closer Look at Specs and Cameras
Oppo announced the launch of the A91 smartphone in 2019. The manufacturer is offering the Oppo A91 phone with 6.4 inch display, Mediatek Helio P70 chipset, 6 GB of RAM and 128 GB of internal storage.
The Oppo A91 smartphone runs on the Android OS v9.0 (Pie) operating system. This phone uses a high resolution 1080 x 2400 px, 6.4 inch AMOLED display. AMOLED displays offer several advantages that make them popular among smartphone users. The A91 with multi-camera setup offers specialized features, multiple cameras with different focal lengths, such as wide-angle, standard, telephoto, and macro. You have more options to capture a variety of subjects and scenes. The selfie camera of A91 allows you to capture self-portraits or group photos without needing someone else to take the picture for you.
Oppo A91 pictures
The specifications below are based on the official data published by the manufacturer, but we also take user reviews into consideration. If you found an error or something lacking in the specifications above for the Oppo A91, then don’t hesitate and signal the problem to us.
Oppo A91 specifications
| Brand | Oppo |
|---|---|
| Name | A91 |
| Model | A91 |
| Release date | 2019 |
Body
| Weight | 6.07 oz |
|---|---|
| Dimensions | 6.31 x 2.89 x 0.31 inch |
| Colors | blue, red, white |
| SIM type | Nano SIM |
The weight of the Oppo A91 is 6.07 oz. It is still considered to be relatively lightweight and portable. The dimensions of this Oppo smartphone are average (6.31 x 2.89 x 0.31 inch). For some people, larger smartphones are more comfortable to hold and easier to use, as they provide a larger display for watching videos, browsing the web, and using apps. A Nano SIM is a chipcard that is used in smartphones as a subscriber identity module (SIM). Nano SIM is the smallest SIM card size available and is currently the most widely used SIM card size in newer devices.
System
| OS version | Android OS v9.0 (Pie) |
|---|---|
| SoC | Mediatek Helio P70 |
| CPU | Octa-core, Quad-core 2.1 GHz Cortex-A73, Quad-core 2 GHz Cortex-A53 |
| GPU | Mali-G72 MP4 |
The Oppo A91 comes with Android OS v9.0 (Pie) out of the box, but it is upgradable to the next OS. Android is an open-source operating system, which means that the source code is freely available to the public and can be modified and distributed by anyone. The Oppo A91 has Mediatek Helio P70 chipset. The octa-core CPU is fast enough. This makes it ideal for running resource-intensive applications such as video editing, 3D rendering, and gaming.
The Oppo A91 comes with Mali-G72 MP4 Graphics Processing Unit. The GPU is optimized for parallel processing and complex mathematical operations required for rendering and manipulating graphics. ARM Mali GPUs are considered to be a good option for mobile devices, providing a good balance of performance and power efficiency, and are widely used in many popular smartphones and tablets.
Display
| Display type | AMOLED |
|---|---|
| Screen size | 6.4 inch |
| Resolution | 1080 x 2400 px |
| Multitouch support | yes |
This smartphone comes with a high-resolution AMOLED display. AMOLED displays are known for their vibrant colors, high contrast ratios, and energy efficiency. AMOLED technology allows for flexibility, enabling the creation of curved and flexible displays that can be used in devices with unique form factors. The 6.4 inch display should be large enough to provide a comfortable viewing experience for your needs, whether it's reading text, browsing the web, or watching videos.
The display size represents the diagonal distance from one corner of the screen to the opposite corner. Text will be easier to read, and videos will be more immersive on a larger display. This smartphone is multitouch capable. Multitouch is a feature in smartphones that allows for the detection and tracking of multiple touch points on the screen simultaneously. It enables users to interact with the device using more than one finger or touch input at the same time.
Memory
| RAM | 6 GB |
|---|---|
| Internal storage | 128 GB |
| Memory card slot | microSD |
The Oppo A91 comes with 6 GB of RAM, which is considered to be sufficient for most users' needs. Having more RAM alone does not necessarily guarantee better performance, and other factors such as the processor and storage speed can also impact overall performance. 128 GB of internal storage should be more than enough for their needs. The A91 has 128 GB of internal storage. The internal storage of the A91 (128 GB) can be expanded with a compatible microSD card. A microSD card is a type of small, removable flash memory card used to store digital information.
Camera
| Main camera | 48 + 8 + 2 + 2 MP, 8000 x 6000 px, autofocus |
|---|---|
| Flash | Dual LED |
| Selfie camera | 16 MP |
This smartphone features a multi-camera setup. Multiple cameras or depth sensors can enhance the smartphone's ability to create appealing portrait mode effects, including background blur or bokeh. This can be useful for creating multi-camera shots, 3D effects, or immersive content. The autofocus is an important feature in this smartphone. Autofocus helps the camera to focus on a subject automatically, which ensures that the resulting photo or video is clear and sharp. The A91 does not have optical image stabilization (OIS). OIS technology is more commonly found in higher-end smartphones and is designed to reduce camera shake and blur, resulting in sharper and clearer images and videos.
Connectivity
| GSM 2G bands | 850 / 900 / 1800 / 1900 |
|---|---|
| Network coverage | 2G / 3G / 4G |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n |
| Bluetooth | v4.2, A2DP |
| GPS | A-GPS, GLONASS, Beidou |
| NFC | no |
| FM radio | yes |
| USB | USB Type-C |
| Headphone | 3.5 mm jack |
The Oppo A91 supports 4G/LTE networks. 4G stands for fourth-generation mobile networks, which are wireless networks that provide faster data transfer speeds and greater network capacity than previous 3G networks. The Oppo A91 supports the latest Wi-Fi standards. Wi-Fi is now a ubiquitous technology that is widely used in homes, businesses, public spaces, and other environments around the world. With Bluetooth connectivity, you can connect your A91 smartphone to a wide range of Bluetooth-enabled devices, such as headphones, speakers, smartwatches, fitness trackers, and more.
This phone has a built-in GPS receiver. GPS (Global Positioning System) is a satellite-based navigation system that allows you to determine your location and get directions to your desired destination. The A91 isn't NFC (Near Field Communication) capable. NFC is not essential for basic phone functionality, but it can be useful for a variety of tasks and features. The A91 phone has built-in FM radio receiver. FM radio allows users to tune in to local radio stations and listen to live broadcasts, news, music, and other content.
The A91 has an USB Type-C port. USB Type-C is capable of supporting a range of different data transfer speeds and charging capabilities, depending on the specific implementation used by a particular device. The A91 smartphone has a 3.5 mm headphone jack. A 3.5 mm headphone jack is a small round port, that allows you to connect wired headphones or earphones to the device.
Battery
| Type | Li-Po 4025 mAh, non-removable |
|---|
The Li-Po 4025 mAh, non-removable battery gives the smartphone a good battery backup. The lithium polymer (Li-Po) battery is a thin, light-weight, rechargeable battery. No periodic discharge is needed and charging can be done at random. The A91 does not have a removable battery. The battery is integrated into the phone's design and is not intended to be removed or replaced by the user.
Features
| Sensors | accelerometer, compass, fingerprint, gravity, gyroscope, in-display fingerprint sensor, light, proximity |
|---|---|
| Specials | ColorOS, Dual SIM, Fast charging |
Smartphones today come with a wealth of sensors to facilitate a better user experience. The accelerometer provides information about the smartphone's movement in three axes: X (horizontal), Y (vertical), and Z (depth). The fingerprint reader is a biometric security feature found in A91 smartphones. When an object, such as your hand or face, comes close to the sensor of A91, it triggers a response that can be used for specific functions or features.
The A91 phone comes with a compass sensor. A compass sensor is a device that provides accurate directions in relation to the earth's North and South magnetic poles. The light sensor is a type of sensor in a smartphone that enables it to measure the intensity of light around the device. The Dual SIM capability of Oppo A91 phone is ideal for businesses wishing to provide staff with a mobile device that can offer separate numbers and bills for both personal and business use. This smartphone supports fast charging. Fast charging is an important feature for smartphones. It allows you to quickly and easily recharge your phone's battery when you are on the go.
More Oppo smartphones
Check out the following collection of additional Oppo phones we have gathered for you. We have carefully curated this list to empower you with a convenient resource for exploring and comparing features, specifications, and capabilities of different Oppo phones, helping you make an informed decision when choosing your next device.
Oppo Realme 11x 5G
Oppo Mirror 5S
Oppo Realme 8i
Oppo Reno5 Pro+
Oppo Realme Q3 Pro Carnival Edition
Oppo Realme X7 5G
Oppo Realme 9 5G EU
Oppo Reno6 Pro 5G
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