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Oppo Realme C21: specs, release date, camera, screen, size, reviews

Added 07.20.21 | Updated 03.24.23

Oppo Realme C21

  • 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
  • Related ModelsOppo Realme C21Y |

Table of contents


Compare Oppo Realme C21 with other models:

Oppo Realme C21 specs

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

Oppo Realme C21 Release dateCommon

Brand and model

Oppo Realme C21

Launch date

05 March 2021

Oppo Realme C21 PricePrice

First price

Oppo 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

Oppo 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)

Oppo 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

Oppo Realme C21 Memory and storageMemory

Internal Memory

32GB 3GB RAM, 64GB 4GB RAM

Memory Card Slot

microSDXC (dedicated slot)

Oppo Realme C21 SoftwareSoftware

Operating System (OS)

Android 10, Realme UI

User Interface

Oppo 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

Oppo 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

Oppo Realme C21 Cellular BandsCellular

Bands GSM / HSPA / LTE
Show all bands:
SIM Card Dual SIM (Nano-SIM, dual stand-by)
Speed HSPA 42.2/5.76 Mbps, LTE

Oppo 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

Oppo Realme C21 Battery type and CapacityBattery

Capacity

5000 mAh

Type

Li-Po, non-removable

Charging

-Charging 10W
-Reverse charging

Oppo Realme C21 sound and multimediaAudio

Headphone Jack Yes
Radio FM radio

Sensors

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

Other specifications

Others

Performance Benchmark

Oppo Realme C21 antutu score Antutu Score

Antutu 9 Score111432 (Position 1204 out of 1346)

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

Oppo Realme C21 geekbench ScoreGeekbench Score

GeekBench 5 Single Core174 (Position 1446 out of 1887)
GeekBench 5 Multi-Core982 (Position 1304 out of 1876)

See the page Oppo 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 Oppo. However, there may be differences in specifications.

Oppo Realme C21 video reviews

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Oppo Realme C21 Reviews and Opinions

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Frequently Asked Questions

The price of the Oppo 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.
Oppo Realme C21 mobile was launched on March 05, 2021 in these colors: Cross Black, Cross Blue.
The Oppo Realme C21 has dimensions of Height: 165.2 mm Width: 76.4 mm Thickness: 8.9 mm and weighs approximately 190 grams.
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.
Device comes with chipset MediaTek Helio G35 (12 nm) with processor Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53). Oppo Realme C21 is available with internal memory of 32GB 3GB RAM, 64GB 4GB RAM.
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
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