Realme C21

Added 07.20.21 | Updated 03.24.23

Key Features of the Realme C21

  • Model: C21
  • Brand: Realme
  • Rating: 3.76 out of 5 (29 votes)
  • Release Date:  March 05, 2021
  • Price
  • Processor: Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
  • Storage and memory: 32GB 3GB RAM
  • Screen: IPS LCD 6.5 inc
  • Main Camera:  Dual, 13MP
  • Selfie Camera:  Single, 5MP

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Realme C21 specs

Common | Price | Design | Screen | Hardware | Memory | Software | Main Camera | Selfie camera | Cellular | Connectivity | Battery | Audio | Sensors | Performance Benchmark

Realme C21 Release dateCommon

Brand and model

Realme C21

Launch date

05 March 2021

Realme C21 PricePrice

First price

Realme C21 dimension, size, weightDesign

Height

6.5 inc (165.2 mm)

Width

3.01 inc ( 76.4 mm)

Depth

0.35 inc ( 8.9 mm)

Weight

6.7 oz (190 grams)

Build materials

Glass front, plastic back, plastic frame

Water resistant

Colors

Cross Black, Cross Blue

Realme C21 screenScreen

Technology IPS LCD
Size

6.5 inc

Screen Area

102.0 cm2

Resolution

720 x 1600 px

Points per inch

270 PPI

Color Depth

16M

Ratio (height:width)

20:9

Ratio (screen:body)

80.8%

Additional Features

-400 nits (typ)

Realme C21 ProcessorHardware

Chipset

- MediaTek Helio G35 (12 nm)

Processor CPU

- Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)

Graphics processor GPU

- PowerVR GE8320

Realme C21 Memory and storageMemory

Internal Memory

32GB 3GB RAM, 64GB 4GB RAM

Memory Card Slot

microSDXC (dedicated slot)

Realme C21 SoftwareSoftware

Operating System (OS)

Android 10, Realme UI

User Interface

Realme C21 main camera specsMain Camera

Number of Cameras

Dual

Specs

-13 MP, f/2.2, 26mm (wide), 1/3.06'', 1.12µm, PDAF
-2 MP, f/2.4, (macro)
-2 MP, f/2.4, (depth)

Features

LED flash, HDR, panorama

Video Recording 1080p@30fps

Realme C21 selfie camera specsSelfie camera

Number of Cameras

Single

Specs

-5 MP, f/2.2, (wide), 1/5.0'', 1.12µm

Features

HDR, panorama

Video Recording 1080p@30fps

Realme C21 Cellular BandsCellular

Bands GSM / HSPA / LTE
-2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
-3G - HSDPA 850 / 900 / 2100
-4G - 1, 3, 5, 7, 8, 20, 28, 38, 40, 41 - International
SIM Card Dual SIM (Nano-SIM, dual stand-by)
Speed HSPA 42.2/5.76 Mbps, LTE

Realme C21 wifi bluetooth gps nfcConnectivity

Wi-Fi Wi-Fi 802.11 b/g/n, hotspot
Bluetooth 5.0, A2DP, LE
GPS Yes, with A-GPS, GLONASS, BDS
NFC No
USB microUSB 2.0, USB On-The-Go

Realme C21 Battery type and CapacityBattery

Capacity

5000 mAh

Type

Li-Po, non-removable

Charging

-Charging 10W
-Reverse charging

Realme C21 sound and multimediaAudio

Headphone Jack Yes
Radio FM radio

Sensors

Fingerprint (rear-mounted), accelerometer, proximity, compass

Other specifications

Others

Performance Benchmark

Realme C21 antutu score Antutu Score

Antutu 9 Score111432 (Position 1200 out of 1342)

See the page Realme C21 Antutu where you will find details about the Antutu result of the device, rankings, and similar models

Realme C21 geekbench ScoreGeekbench Score

GeekBench 5 Single Core174 (Position 1443 out of 1884)
GeekBench 5 Multi-Core982 (Position 1301 out of 1873)

See the page Realme C21 Geekbench where you will find details about the Geekbench result of the device, rankings, and similar models.

Disclaimer: This information is based on public data and official specifications from Realme. However, there may be differences in specifications.

Compare Realme C21 with other models:

Review of Realme C21

Realme C21 is a spring 2021 offering - a worthy addition to the Realme brand range. It has received a bunch of improvements. The Realme C21 model is the first of the C-series to receive the European TÜV Rheinland High Reliability Certificate.
Read the entire review

Realme C21 video reviews

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Realme C21 Reviews and Opinions

Rate this smartphone
3.76 / 5
(29)

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Frequently Asked Questions

How much does Realme C21 cost?

The price of the Realme C21 varies based on the specific model and storage capacity. As of the latest update, the base model starts at . Prices increase for models with larger storage capacity and additional features.

When did the Realme C21 come out?

Realme C21 mobile was launched on March 05, 2021 in these colors: Cross Black, Cross Blue.

What is the size and weight of Realme C21 ?

The Realme C21 has dimensions of Height: 165.2 mm Width: 76.4 mm Thickness: 8.9 mm and weighs approximately 190 grams.

What is the screen size and resolution of Realme C21?

When measured as a standard rectangular shape, the screen is 6.5 inches diagonally offering a resolution of 720 x 1600 px at a pixel density of 270 ppi.

How much memory and storage does a Realme C21 have?

Device comes with chipset MediaTek Helio G35 (12 nm) with processor Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53). Realme C21 is available with internal memory of 32GB 3GB RAM, 64GB 4GB RAM.

What are the main camera specifications and megapixels of the Realme C21?

The device have a Dual rear camera setup with specs of 13 MP, f/2.2, 26mm (wide), 1/3.06'', 1.12µm, PDAF 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) and features like LED flash, HDR, panorama

What are the front camera specs and MP of the Realme C21?

The device comes with Single front camera setup with specs of 5 MP, f/2.2, (wide), 1/5.0'', 1.12µm and features like HDR, panorama