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Oppo Realme C21 Specs, review, opinions, comparisons

Discover all the technical specs of the Oppo Realme C21 - from its camera and display to performance and battery life.
Added by on 07.20.21 | Last update 03.24.23
Oppo Realme C21 Specs, review, opinions, comparisons
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Oppo Realme C21 is a 2021 smartphone. It measures 165.2 x 76.4 x 8.9 mm and weighs 190 g. It has a IPS LCD display measuring 6.5" inches. The resolution is 720 x 1600 and 270 ppi pixel density.

There is Single front camera with 5 MP. The main camera is Dual with 13 MP.

It runs on Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) CPU with 32GB 3GB RAM, 64GB 4GB RAM memory. The battery is 5000 mAh.

Scroll down and discover all the features and specs this device has to offer.

Review Compare with another Copy

Linked models: Oppo Realme C21Y |

Oppo Realme C21 specs

General specs

Brand and model

Oppo Realme C21

Release date

2021, March 05

Dimensions

165.2 x 76.4 x 8.9 mm (6.5 x 3.01 x 0.35 in)

Weight

190 g (6.7 oz)

Body build

Glass front, plastic back, plastic frame

Colors

Cross Black, Cross Blue

Battery

5000 mAh, Li-Po, non-removable

Screen

Technology

IPS LCD

Touchscreen

capacitive touchscreen

Display colors

16M

Screen size

6.5" inc

Screen area

102.0 cm2

Screen format

20:9 (height:width)

Screen to body ratio

80.8%

Screen resolution

720 x 1600 px

PPI /points per inch/

270 PPI

Other - 400 nits (typ)

Camera and Video

Rear camera, main

13 MP, Dual

Camera 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)

Functions

LED flash, HDR, panorama

Video 1080p@30fps
Front camera, selfie

5 MP, Single

Specifications

5 MP, f/2.2, (wide), 1/5.0'', 1.12µm

Functions

HDR, panorama

Video 1080p@30fps

Performance

Operating system OS

Android 10, Realme UI

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

External memory

microSDXC (dedicated slot)

Internal memory

32GB 3GB RAM, 64GB 4GB RAM

Antutu 9 score 111432 (Rank 874 of 980)
GeekBench 5 Single Core 174 (Rank 1159 of 1567)
GeekBench 5 Multi-Core 982 (Rank 1035 of 1562)

Communication and Connectivity

SIM card Dual SIM (Nano-SIM, dual stand-by)
Network GSM / HSPA / LTE
Show all network frequencies:
Speed HSPA 42.2/5.76 Mbps, LTE
GPRS Yes
Edge Yes
Wi-Fi Wi-Fi 802.11 b/g/n, hotspot
GPS Yes, with A-GPS, GLONASS, BDS
NFC No
USB microUSB 2.0, USB On-The-Go
Bluetooth 5.0, A2DP, LE

Music and Audio

Radio FM radio
Headphone jack Yes

Other features

- Sensors - Fingerprint (rear-mounted), accelerometer, proximity, compass
- Charging 10W
-Reverse charging
Disclaimer: The information provided here is based on publicly available information and official specifications from Oppo. While every effort has been made to provide accurate and reliable information, readers should be aware that specifications are subject to change and updates from Oppo may not be reflected.

Oppo Realme C21 Review

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. ... continues. Read the full Oppo Realme C21 review.

Oppo Realme C21 Video review - click to play

Richard Taylor

Richard Taylor

Richard Taylor is a technology expert and journalist based in the UK. With a degree in Computer Science from the University of Birmingham, he provides insightful analysis and expert reviews of the latest smartphones and technology. His technical expertise, passion for technology and years of experience make him a trusted source in the industry.


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Frequently Asked Questions

The base approximate price of the Oppo Realme C21 was around after it was officially announced. At this point, the price may be lower.
The official release date is 2021, March 05.
The weight of the Oppo Realme C21 is 190 g.
The screen size of the Oppo Realme C21 is 6.5" inches.
The size of the Oppo Realme C21 is 165.2 x 76.4 x 8.9 mm (HxWxD).

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