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Realme C21 – Budget Smartphone

The  Realme C21 is budget smartphone with good options and features a 5000 mAh powerful battery to enable you to use it for movie streaming, reading, gaming, and more for long hours without low-battery interruptions. With its Chroma Boost feature, your pictures will look breathtaking as their colours will be more vibrant and enhanced. And, the C21 has undergone stringent testing measures and also features the TUV Rheinland Smartphone High Credibility Certification to ensure that you get to enjoy a high-quality experience while using your smartphone.

As for the specifications, the smartphone flaunts a 6.5-inches IPS LCD with a resolution of 720 x 1600 pixels. It has a waterdrop notch at the centre of the display for the selfie camera. Performance-wise, the handset is powered by MediaTek Helio G35 octa-core processor. The chipset is backed by the PowerVR GE8320 for graphical performance. For photography and videography, you get a dual rear camera setup (13MP+2MP) and a single 5MP selfie camera at the front. The onboard storage capacity is decent enough with 32GB that is further expandable up to 256GB using a microSD card. Thanks to its impressive battery capacity of 5000mAh, the device offers backup for fairly long durations. Also, the handset supports fast charging so that you get to refill the battery quickly. The smartphone comes pre-installed with Android v10 (Q) operating system.


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Last updated on 15/05/2022 2:03 PM
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                           Realme C21

Realme launched the ‘C series’ consists of various models under budget rate. Realme C21 is one of the them. Realme C21 launched on April 14, 2021.

Realme C21


The Realme C21 is typical low-cost budget smartphone. Given its low price, it’s a perfect entry-level smartphone for calling, messaging, and even remote learning.

The company is supplying three cameras, each of which is powered by a large battery that offers long shooting hours once charged. The performance is below average considering the rate.


In terms of overall style, the Realme C21 is very similar to the C12, with all three cameras and the LED flash neatly housed inside a square-shaped camera module. The body of the smartphone is composed of plastic and has a texture with small grooves on the back that provides a nice grip.

c21 d             c21 d2                    c21 d3

Realme C21  is equipped with a 6.5-inch HD+ display. It has an IPS LCD screen with a resolution of 720x1600px that amounts to 269PPI. Besides, you get narrow bezels around the display that offer more than 89% of the screen-to-body ratio. The display has a decent size for watching movies and gaming.


The smartphone comes with a 13MP triple-rear camera setup. The primary camera is coupled with two secondary 2MPs of a macro shooter and a mono sensor with autofocus.

You get features such as Beauty, Filter, HDR, Panoramic View, Portrait, Time-lapse, Slo-mo, NightScape, Expert, Continuous Capture, etc for a better camera experience. For selfies and video calls, there’s a 5MP camera.

The camera section  features a 13MP AI triple camera setup on the rear, which is quite good for this price range. Speaking of the overall rear camera module, it houses a 13MP primary sensor, a 5MP PDAF lens and a 2MP Macro lens.

c21 camera

Realme is offering multiple features with the rear camera setup and those include, Night Mode, HDR, and Ultra macro, AI Beauty, Filter and Chrome Boost. When it comes to video recording, Realme C21 can shoot videos up to 1080 pixels at 30fps with its rear camera setup.

However the selfie camera is of average quality, a 5MP sensor with an aperture of f/2.2 may not be able to capture as per your expectations. The additional features are here also in the front camera section and include Portrait Mode, Timelapse, and Panoramic view, Beauty Mode, HDR, Face Recognition and Filter.


Realme C21 is powered by Android v10 with its custom Realme UI on top. An entry-level MediaTek Helio G35 octa-core processor drives the phone along with a GE8320 GPU and 3GB of RAM. c2 chipset

You can expect to have a fine performance on the phone for basic activities like calling, messaging, browsing, etc. It comes with user-friendly sensors like Magnetic Induction, Light Sensor, Proximity Sensor, Acceleration Sensor.

battery 0eeb1da53d

The phone is backed by a big 5,000mAh battery with power saving mode that offers extra battery life. Also, it supports fast charging that quickly fills the bar. The battery size is ample and it is expected to give a full day of power backup under normal usage.

Color Variant:

The device available in two color variants which is similar to “Realme C20” model. The two variants is called as “Cross Black” and “Cross Blue”.

Realme C21 color

Realme C21 Price In India:

There are two variants in which the Realme C21 is available. The first storage variant features 3GB RAM and 32GB internal storage, while the second storage variant features 4GB RAM and 64GB internal storage. The current pricing for the 3GB RAM variant is Rs. 7,999, while the Realme C21 price for the 4GB RAM variant is Rs. 8,999. However, both the variants are sold out on almost every shopping platform.

You can look for a similar Realme models as well which includes the Realme C25 priced at Rs. 9,499 or you may go with the Realme 30 Narzo Pro, which is available under the same price range.


  • The screen is large, yet the notch is little.
  • Battery capacity of 5,000mAh.
  • Base storage is 32GB, with a dedicated microSD slot.
  • Macro and portrait modes are included in the triple camera.


  •  5v charger takes much time to get phone fully charged.
  •  No Screen guard or Screen protection offered.
  • Front camera could be more better.
  • MicroUSB port is slow to charge.
  • There is no NFC.

Frequently Asked Questions:

1. Does this phone supports Call of Duty and Free Fire?

Yes, it does support graphics games like Call of Duty and Free Fire in Ram 4GB.

2. What about the performance?

Based on the price rate performance is quiet good  but camera is average.
3. Are survival game comfortable?
4. Which phone is better Realme C21 or Realme C12?
However, the both budget phone has starts with the same price range. Realme C21 feels satisfying.
For any queries regarding Realme brand, kindly visit https://www.realme.com/in/support

Want to know more about other models and brands? Then visit https://acabuy.com/

To buy similar products from the shops near you,visit: https://rshop.in/

Specification: Realme C21 – Budget Smartphone

Main Specs


Camera Front


Camera Rear


Display Size

6.5 inches


5000 mAh

Launch Status
Launch Date

14th April, 2021

Platform and Processor

MediaTek Helio G35


Octa core, 2.3 GHz, Cortex A53


IMG GE8320


64 bit


12 nm



Memory and Storage
Internal Storage

32GB, 64 GB

Storage Type - Memory

eMMC 5.1

Camera Features
Camera Features

4 x Digital Zoom Auto Flash Face detection Touch to focus

Camera set up Rear


Resolution Rear Camera

13 MP f/2.2 (upto 4x Digital Zoom), Wide Angle Primary Camera , 2 MP f/2.4, Macro Camera , 2 MP f/2.4 Mono Camera


Yes, Phase Detection autofocus

Camera Setup Front


Resolution Front Camera

5 MP f/2.2, Wide Angle Primary Camera (5.0" sensor size, 1.12µm pixel size)

Video Recording Front

1920×1080 @ 30 fps

Shooting Modes

Continues shooting, High dynamic range shooting (HDR)

Video Recording

Video Recording Resolution

Battery Removable


Battery Type


USB Type-C


Body Design Size and Type

190 grams


165.2 mm


8.9 mm


76.4 mm

Display Type


Bezel less Display

Yes with waterdrop notch


Aspect Ratio


Pixel Density

270 ppi

Screen Size

6.5 inches

Screen to Body Ratio

89.5 %

Display Resolution

720 x 1600 pixels

Network, WIFI and Communication Connectivity
4G bands


SIM 1 Network

4G Bands:TD-LTE 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5)3G Bands:UMTS 1900 / 2100 / 850 / 900 MHz2G Bands:GSM 1800 / 1900 / 850 / 900 MHz

SIM 2 Network

4G Bands:TD-LTE 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5)3G Bands:UMTS 1900 / 2100 / 850 / 900 MHz2G Bands:GSM 1800 / 1900 / 850 / 900 MHz

SIM Size

SIM1: Nano, SIM2: Nano

Network Support

4G (supports Indian bands), 3G, 2G








USB Connectivity



Audio Jack

3.5 mm

Other Features
Operating System

Android 10

Fingerprint Sensor


Fingerprint sensor position


Other Sensors

Light sensor, Proximity sensor, Accelerometer







GPS Type

, ,

Camera Settings

Exposure compensation,ISO control

Expandable Memory (GB)

Videos: Realme C21 – Budget Smartphone

Realme C21 – Budget Smartphone
Realme C21 – Budget Smartphone


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