Home/Realme/Realme C21 vs Realme C3
Realme C21

Realme C21

#2786
Realme C3

Realme C3

#2756

Category Breakdown

Realme C21
Realme C3
Performance
68.168.5
Camera
29.929.9
Display
67.569.8
Battery
33.733.7
Build
67.971.8
Connectivity
48.052.7
Audio
8.98.9
Overall
46.246.4

Summary

  • The Realme C21 and Realme C3 both feature a 6.5-inch IPS LCD display with a resolution of 720 x 1600 pixels, but the C3 has a slightly brighter display at 480 nits compared to the C21's 400 nits.
  • In terms of performance, the C21 is powered by the Helio G35 chipset, while the C3 uses the more capable Helio G70, which may provide better overall performance.
  • The C21 has a 13 MP main camera, whereas the C3 has a 12 MP main camera, but the C21's wider aperture of f/2.2 may allow for better low-light performance.
  • Both models have a 5000 mAh battery with 10W charging, ensuring similar longevity.
  • The C21's build includes Gorilla Glass on the front, offering better durability than the C3's standard glass.
  • Both phones run on Android 10 with Realme UI, providing a similar software experience.

Side-by-side Specification Comparison

Realme C21
Realme C3

General

Release Date

2021, March 05
2020, February 05

Announced

2021, March 05
2020, February 05

Description

N/A
N/A

Display

Size

6.5"
6.5"

Type

IPS LCD, 400 nits (typ)
IPS LCD, 480 nits (typ)

Resolution

720 x 1600 pixels, 20:9 ratio (~270 ppi density)
720 x 1600 pixels, 20:9 ratio (~270 ppi density)

PPI

720
720

Refresh Rate

60Hz
60Hz

HDR Support

Protection

N/A
Corning Gorilla Glass 3

Performance

Chipset

Mediatek MT6765G Helio G35 (12 nm)
Mediatek MT6769V/CB Helio G70 (12 nm)

CPU

Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55)

GPU

PowerVR GE8320
Mali-G52 2EEMC2

Memory

32GB 3GB RAM, 64GB 4GB RAM
32GB 2GB RAM, 32GB 3GB RAM, 64GB 3GB RAM, 64GB 4GB RAM

Expandable Storage

Card Slot

microSDXC (dedicated slot)
microSDXC (dedicated slot)

Camera

Main Camera

13 MP, f/2.2, 26mm (wide), 1/3.06", 1.12µm, PDAF2 MP, f/2.4, (macro)2 MP, f/2.4, (depth)
12 MP, f/1.8, 28mm (wide), 1/2.8", 1.25µm, PDAF2 MP, f/2.4, (depth)

Main Camera Features

LED flash, HDR, panorama
LED flash, HDR, panorama

Front Camera

5 MP, f/2.2, (wide), 1/5.0", 1.12µm
5 MP, f/2.4, 27mm (wide), 1/5.0", 1.12µm

Front Camera Features

HDR, panorama
HDR, panorama

Video Recording

1080p@30fps
1080p@30fps

Selfie Video

1080p@30fps
1080p@30fps

Optical Stabilization

Night Mode

Raw Photo Support

Battery

Capacity

5000 mAh
5000 mAh

Battery Details

5000 mAh
5000 mAh

Charging Details

10W wiredReverse wired
10W wired

Fast Charging

Wireless Charging

Build & Safety

Dimensions

165.2 x 76.4 x 8.9 mm (6.50 x 3.01 x 0.35 in)
164.4 x 75 x 9 mm (6.47 x 2.95 x 0.35 in)

Weight

190 g
195 g

Materials

Glass front, plastic back, plastic frame
Glass front (Gorilla Glass 3), plastic back, plastic frame

Colors

Cross Black, Cross Blue
Frozen Blue, Blazing Red, Volcano Grey shade

Foldable

SAR

N/A
N/A

Connectivity

SIM

Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM

Network

GSM / HSPA / LTE
GSM / HSPA / LTE

Network Speed

HSPA, LTE
HSPA 42.2/11.5 Mbps, LTE (2CA) Cat6 300/75 Mbps

5G

4G

WiFi

Wi-Fi 802.11 b/g/n
Wi-Fi 802.11 b/g/n

Bluetooth

5.0, A2DP, LE
5.0, A2DP, LE, aptX

NFC

USB

microUSB 2.0, OTG
microUSB 2.0, OTG

IR Blaster

Headphone Jack

Radio

Positioning

GPS, GLONASS, BDS
GPS, GLONASS, BDS

Audio

Stereo Speakers

Loudspeaker

Yes
Yes

Audio Jack

Yes
Yes

Software & Security

Operating System

Android 10, Realme UI
Android 10, Realme UI

Fingerprint

Face Unlock

Sensors

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