Oppo Realme C21: A Closer Look at Specs and Cameras
Oppo announced the launch of the Realme C21 smartphone in 2021. The manufacturer is offering the Oppo Realme C21 phone with 6.5 inch display, Mediatek Helio G35 MT6765V chipset, 4 GB of RAM and 64 GB of internal storage.
The Oppo Realme C21 smartphone comes with Android OS v10.0 out of the box, and a Li-Po 5000 mAh, non-removable battery. This phone features a high resolution 720 x 1600 px IPS display. The size of screen is 6.5 inch.This display is a solid choice for Realme C21 smartphone. The multi-camera setup on the Realme C21 offers versatility, allowing you to capture a wide range of subjects and scenes with different perspectives. With multiple cameras, you can capture the same scene from different angles or focal lengths simultaneously. The front camera of Realme C21 gives you the freedom to capture moments with yourself or your friends and family easily.
Oppo Realme C21 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 Realme C21, then don’t hesitate and signal the problem to us.
Oppo Realme C21 specifications
|Dimensions||6.5 x 3.01 x 0.35 inch|
|SIM type||Nano SIM|
The weight of Oppo Realme C21 is about 6.81 oz with battery, which is average compared to most of the smartphones with same size. The dimensions of this Oppo smartphone are average (6.5 x 3.01 x 0.35 inch). Smaller smartphones are more compact and easier to carry around, but they may have smaller displays that can be harder to read and interact with. A Nano SIM is a small (12.3 x 8.8 x 0.67 mm) chipcard that is used in smartphones as a subscriber identity module (SIM) for connecting to a cellular network.
|OS version||Android OS v10.0|
|SoC||Mediatek Helio G35 MT6765V|
|CPU||Octa-core, Quad-core 2.3 GHz Cortex-A53, Quad-core 1.8 GHz Cortex-A53|
The Oppo Realme C21 comes with Android OS v10.0 out of the box, but it is upgradable to the next OS. Android is based on the Linux kernel and includes a user interface, middleware, and a range of pre-installed applications. The Realme C21 utilizes Mediatek Helio G35 MT6765V SoC (System on a Chip). This powerful octa-core processor is capable of handling complex tasks and running multiple applications simultaneously.
The Realme C21 utilizes PowerVR GE8320 GPU. A GPU (Graphics Processing Unit) is a specialized chip that is primarily designed to handle and accelerate the processing of graphics and visual data. It is responsible for rendering images, videos, and animations on a smartphone screen. PowerVR GPUs are a popular choice for mobile device manufacturers, and are known for their power efficiency and strong performance.
|Screen size||6.5 inch|
|Resolution||720 x 1600 px|
The 6.5 inch phone comes with IPS display. The IPS display provides enhanced features, such as optimal viewing angles, color accuracy, invariable color reproduction and better power consumption. The 6.5 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 size of the screen is measured diagonally, from corner to corner. A larger screen typically requires more power to illuminate, which can impact battery life. The display of Oppo Realme C21 is multitouch capable. Multitouch technology enables the device's touchscreen to detect and interpret multiple touch points on the screen simultaneously.
|Internal storage||64 GB|
|Memory card slot||microSD|
The Oppo Realme C21 comes with 4 GB of RAM, which is considered to be sufficient for most users' needs. The amount of RAM needed for optimal performance depends on factors such as the operating system, the apps and services you use, and how you use your device. 64 GB of internal storage is generally considered to be a good amount of storage for a smartphone, and should be sufficient for most users' needs. The Realme C21 has 64 GB of internal storage. The internal storage of the Realme C21 (64 GB) can be expanded with a compatible microSD card. MicroSD cards are popular because they're small, lightweight, and easy to use.
|Main camera||13 + 2 + 2 MP, 4160 x 3120 px, autofocus|
|Selfie camera||5 MP|
The multi-camera setup of Realme C21 allows you to adapt to different photography situations and achieve various perspectives and compositions. The main camera of the Realme C21 is equipped with autofocus. An autofocus (or AF) optical system uses a sensor, a control system and a motor to focus on an automatically or manually selected point or area. Very few Android cameras come without autofocus. Realme C21 is equipped with a basic camera setup, and it does not have any advanced features. Basic camera setups are designed to fulfill the needs of users who prioritize affordability and basic photography requirements.
|GSM 2G bands||850 / 900 / 1800 / 1900|
|Network coverage||2G / 3G / 4G|
|Wi-Fi||Wi-Fi 802.11 a/b/g/n/ac|
|Headphone||3.5 mm jack|
The Oppo Realme C21 supports 4G/LTE networks. 4G networks are widely used around the world and have become the standard for mobile networks in many countries. The Oppo Realme C21 like all modern smartphones, is capable of connecting to Wi-Fi networks. Wi-Fi is a wireless networking technology that allows devices to connect to the internet or other networks wirelessly, without the need for physical cables. Wi-Fi is based on the IEEE 802.11 family of standards, which define the specifications for wireless local area networks (WLANs).
The Realme C21 supports the latest Bluetooth standards, which offers faster data transfer speeds, better range, and improved reliability compared to previous versions of Bluetooth. This phone has a built-in GPS. GPS is a highly accurate navigation system using signals from satellites to determine a location on the Earth's surface, irrespective of weather conditions. Most phones have a GPS unit on board.
The Realme C21 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 Realme C21 phone has built-in FM radio. During emergencies or natural disasters when cellular networks may be congested or disrupted, FM radio can provide a reliable source of information and emergency alerts. The Realme C21 has a microUSB port. MicroUSB is a type of USB connector that was commonly used on older smartphones, tablets, and other mobile devices. The Realme C21 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.
|Type||Li-Po 5000 mAh, non-removable|
The Li-Po 5000 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 battery of Realme C21 isn't removable without voiding the warranty.
|Sensors||accelerometer, compass, fingerprint, light, proximity|
|Specials||Corning Gorilla Glass 3, Dual SIM, Fast charging|
Smartphones today come with a wealth of sensors to facilitate a better user experience. The Oppo Realme C21 smartphone has an accelerometer. The presence of an accelerometer in smartphones enables a range of interactive and intuitive functionalities that enhance the user experience and enable innovative applications. The Realme C21 phone has a fingerprint scanner. This sensor identifies and authenticates the fingerprints of an individual in order to grant or deny access to a smartphone.
This Oppo phones come with proximity sensor. This proximity sensor detects how close the phone is to an outside object, such as your ear. The Realme C21 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 ambient light sensor detects the level of ambient light in the surrounding environment. The main purpose of a light sensor in a smartphone is to automatically adjust the brightness of the device's display.
The Dual SIM capability of Oppo Realme C21 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. The Realme C21 supports fast charging. With fast charging, you can get a significant amount of battery life in just a few minutes of charging, which is especially useful if you need to use your phone but don't have much time to wait for it to charge. Corning Gorilla Glass is a type of chemically strengthened super-glass.
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 F9 Pro
Oppo Realme 8 5G
Oppo Realme 10s
Oppo Realme V20
Oppo Realme Narzo 60 Pro
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