Realme C21

Name: Realme C21
Brand: Realme
SKU: realme-c21
Price: 3750 INR
Availability: InStock

Market Status: Available | Released on: 14 Apr 2021

Key Specifications

Screen Size

6.5 inches (16.51 cm)

RAM + Storage

3 GB + 32 GB

Processor

MediaTek Helio G35

Screen Resolution

720 x 1600 pixels

Operating System

Android v10 (Q)

Rear Camera

13 MP + 2 MP + 2 MP

Battery

5000 mAh

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Realme C21 Prices

3GB + 32GB / Blue

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Flipkart

₹3,750 Out of Stock

Amazon

₹10,485 Go To Store

3GB + 32GB / Black

Starting at ₹7,490

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Flipkart

₹3,750 Out of Stock

Amazon

₹7,490 Go To Store

4GB + 64GB / Blue

Starting at ₹7,490

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Flipkart

₹4,000 Out of Stock

Amazon

₹7,490 Go To Store

4GB + 64GB / Black

Starting at ₹10,485

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Flipkart

₹4,250 Out of Stock

Amazon

₹10,485 Go To Store

Realme C21 Summary

The Realme C21 was released on 14th April 2021. The Realme C21 phone comes with 6.5 inches (16.51 cm) IPS LCD, 60 Hz, 720 x 1600 pixels (FHD+) resolution. The Realme C21 is driven by an octa core MediaTek Helio G35 chip and features 3 GB / 4 GB of RAM.

Realme Mobiles has provided the device with the Android v10 (Q) running on the Realme UI architecture and a 5000 mAh battery .

Regarding cameras, Realme C21 is equipped with the triple camera system , which includes a 13 MP + 2 MP + 2 MP main camera. The Realme C21 phone has a 5 MP f/2.2, Wide Angle Primary Camera(5.0" sensor size, 1.12µm pixel size) front camera, which also features autofocus, with the capabilities of recording 1920x1080 video at 30 fps, expected of a selfie and video calls phone.

The Realme C21 has internal storage space of 32 GB / 64 GB . It has size 165.2 mm x 76.4 mm x 8.9 mm The Realme C21 comes in Cross Blue, Cross Black

The connectivity features on Realme C21 are Yes, Wi-Fi 802.11, b/g/n, MIMO, Yes, v5.0, GPS, USB Type-C. Yes fingerprint, other sensors start with

As of 30th August 2025, Realme C21 price in India starts at ₹3,750.

Realme C21 Price History

Explore the price history for the selected variant below. The current price is ₹10,485. Lowest recorded was ₹3,750. Highest reached ₹10,990. Average price is around ₹9,444.

Realme C21 Specifications

Key Specs General Performance Display Design & Body Main Camera Front Camera Battery Storage Network & Connectivity Multimedia Sensor

Key Specs

RAM 3 GB / 4 GB

Processor MediaTek Helio G35

Rear Camera 13 MP + 2 MP + 2 MP

Front Camera 5 MP

Battery 5000 mAh

Display 6.5 inches

General

Launch Date April 14, 2021 (Official)

Operating System Android v10 (Q)

Custom UI Realme UI

Performance

Chipset MediaTek Helio G35

CPU Octa core, 2.3 GHz, Cortex A53

Architecture 64 bit

Graphics PowerVR GE8320

RAM 3 GB / 4 GB

RAM Type LPDDR4X

Display

Screen Size 6.5 inches (16.51 cm)

Screen Resolution 720 x 1600 pixels

Aspect Ratio 20:9

Bezel-less display Yes with waterdrop notch

Pixel Density 270 ppi

Display Type IPS LCD

Refresh Rate 60 Hz

Touch Screen Yes, Capacitive Touchscreen, Multi-touch

Design & Body

Height 165.2 mm

Width 76.4 mm

Thickness 8.9 mm

Build Material Back: Plastic

Colours Cross Blue, Cross Black

Main Camera

Camera Setup Triple

Resolution 13 MP f/2.2 (upto 4x Digital Zoom), Wide Angle Primary Camera(26 mm focal length, 3" sensor size, 1.12µm pixel size)2 MP f/2.4, Macro Camera(1.75µm pixel size)2 MP f/2.4 Mono Camera(1.75µm pixel size)

Sensor CMOS image sensor

Autofocus Yes, Phase Detection autofocus

Flash Yes, LED Flash

Image Resolution 4128 x 3096 Pixels

Settings Exposure compensation, ISO control

Camera Features 4 x Digital Zoom
Auto Flash
Face detection
Touch to focus

Video Recording 1920x1080 @ 30 fps

Front Camera

Camera Setup Single

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

Video Recording 1920x1080 @ 30 fps

Battery

Capacity 5000 mAh

Type Li-ion

User Replaceable No

USB Type-C No

Storage

Internal Memory 32 GB / 64 GB

Expandable Memory Yes, Up to 256 GB

Network & Connectivity

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

VoLTE Yes

SIM 1

4G Bands:

TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 850(band 5) / 800(band 20)

3G Bands:

UMTS 1900 / 2100 / 850 / 900 MHz

2G Bands:

GSM 1800 / 1900 / 850 / 900 MHz

GPRS:

Available

EDGE:

Available

SIM 2

4G Bands:

TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 850(band 5) / 800(band 20)

3G Bands:

UMTS 1900 / 2100 / 850 / 900 MHz

2G Bands:

GSM 1800 / 1900 / 850 / 900 MHz

GPRS:

Available

EDGE:

Available

Wi-Fi Yes, Wi-Fi 802.11, b/g/n, MIMO

Wi-Fi Features Mobile Hotspot

Bluetooth Yes, v5.0

GPS Yes with A-GPS, Glonass

NFC No

USB Connectivity Mass storage device, USB charging, microUSB 2.0

Multimedia

Loudspeaker Yes

Audio Jack 3.5 mm

Sensor

Fingerprint Sensor Yes

Fingerprint Sensor Position Rear

Other Sensors Light sensor, Proximity sensor, Accelerometer

Disclaimer: While we strive for accuracy, specifications listed here may differ from the actual product and are not guaranteed to be 100% correct. Please verify all details with the retailer before purchase.