Realme C21

Realme C21

Brand: Realme

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Last searched: 2026-05-20

Key Features

6.5 inches

Display

13 MP

Camera

3GB

RAM

5000

Battery

Full Specifications

Overview

Brand
Realme
Model
Realme C21
Released
2021, March 05
Status
Available. Released 2021, March 05
Dimensions
165.2 x 76.4 x 8.9 mm (6.50 x 3.01 x 0.35 in)
Weight
190 g (6.70 oz)
OS
Android 10, Realme UI

Body

SIM
Nano-SIM + Nano-SIM
Build
Glass front, plastic back, plastic frame
Weight
190 g (6.70 oz)
Dimensions
165.2 x 76.4 x 8.9 mm (6.50 x 3.01 x 0.35 in)

Misc

Price
About 410 EUR
Colors
Cross Black, Cross Blue
Models
RMX3201

Comms

NFC
No
USB
microUSB 2.0, OTG
WLAN
Wi-Fi 802.11 b/g/n
Radio
FM radio
Bluetooth
5.0, A2DP, LE
Positioning
GPS, GLONASS, BDS

Sound

3.5mm jack
Yes
Loudspeaker
Yes

Launch

Status
Available. Released 2021, March 05
Announced
2021, March 05

Memory

Internal
32GB 3GB RAM, 64GB 4GB RAM
Card slot
microSDXC (dedicated slot)

Battery

Type
5000 mAh
Charging
10W wired, Reverse wired

Display

Size
6.5 inches, 102.0 cm, 2, (~80.8% screen-to-body ratio)
Type
IPS LCD, 400 nits (typ)
Resolution
720 x 1600 pixels, 20:9 ratio (~270 ppi density)

Network

Speed
HSPA, LTE
2G bands
GSM 850 / 900 / 1800 / 1900
3G bands
HSDPA 850 / 900 / 2100
4G bands
1, 3, 5, 7, 8, 20, 28, 38, 40, 41 - International
Technology
GSM / HSPA / LTE

Features

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

Platform

OS
Android 10, Realme UI
CPU
Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
GPU
PowerVR GE8320
Chipset
Mediatek MT6765G Helio G35 (12 nm)

Main Camera

Dual
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)
Video
1080p@30fps
Features
LED flash, HDR, panorama

Selfie camera

Video
1080p@30fps
Single
5 MP, f/2.2, (wide), 1/5.0", 1.12µm
Features
HDR, panorama

About Realme C21

Realme C21 is another flagship from Realme's popular line of first class Android phones, released in the 2021.

Realme C21 has a wide variety of great specifications such as 32GB 3GB RAM, 64GB 4GB RAM with Mediatek MT6765G Helio G35 (12 nm) , as well as ultrasonic fingerprint sensor. The thing that makes this decent smartphone special is its sleek design and an amazing all-screen design with no notches at all.

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