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Samsung Galaxy A12 vs Realme C21

Samsung Galaxy A12 SamsungGalaxy A12
VS
Realme C21 RealmeC21

The third device is shown on desktop screens only

Samsung Galaxy A12 Samsung Galaxy A12 Samsung Price $175 Full specs
Realme C21 Realme C21 Realme Lowest price Price $140 Full specs

General

Device Type
Smart Phone
Smart Phone
Device Name
SM-A125FSM-A125F/DSNSM-A125F/DS
Realme C21RMX3201
Announced
November 2020
March 2021
Released
December 2020
March 2021
Colors
BlackWhiteBlueRed
Cross BlackCross Blue

Design

Length
164 mm (6.46 in)
165.2 mm (6.50 in)
Width
75.8 mm (2.98 in)
76.4 mm (3.01 in)
Thickness
8.9 mm (0.35 in)
8.9 mm (0.35 in)
Weight
205 g (7.23 oz)
190 g (6.70 oz)
Materials
Glass frontPlastic backPlastic frame
Same on both

Network

2G Network
Yes
Yes
3G Network
Yes
Yes
4G Network
Yes
Yes
GPRS
Yes
Yes
EDGE
Yes
Yes
SIM
Nano SIM
Nano SIM
Multi SIM
Single SIM or Dual SIM
Dual SIM: SIM1 + SIM2 + MicroSD
Speed
3G Up to 42 MB4G Up to 150 MB
Same on both

Display

Display Type
PLS IPS
IPS LCD
Size
6.5 Inches
6.5 Inches
Resolution
720x1600 Pixels (HD+)
720x1600 Pixels (HD+)
Screen Ratio
85.8%
80.8%
Aspect Ratio
20:9
20:9
Pixel Density
264 PPI
270 PPI
Brightness Level
—
400 Nits
Features
No extras
Eye Care Display
On both: Water Drop Notch, Dark Mode, Capacitive, Multi-touch, 16M Colors

Hardware

Chipset
Mediatek Helio P35
MediaTek Helio G35
Manufacturing Technology
12 nm
12 nm
CPU Type
Octa-core
8 (Octa-core)
CPU
Octa-core:Quad-core 2.35 GHzQuad-core 1.8 GHz
4x2.3 GHz (Cortex-A53)4x1.8 GHz (Cortex-A53)
GPU
PowerVR GE8320
PowerVR GE8320
RAM (Memory)
3/4/6 GB4 GB (128 GB)6 GB (128 GB)
3/4 GB
On both: 3 GB (32 GB), 4 GB (64 GB)
Internal Storage
32/64/128 GB
32/64 GB
Storage Type
eMMC 5.1
eMMC 5.1
Ram Type
—
LPDDR4x
Card Slot
Yes - MicroSD
Yes - MicroSD

Software

OS
Android 10
Android 10
User Interface
One UI 2.0
Realme UI

Main camera

Camera Setup
—
Triple Camera
Resolution
—
13 + 2 + 2 MP
Camera
—
13 MP: Standard2 MP: Macro2 MP: Depth
Four
First Camera: 48 MP (Standard)Second Camera: 5 MP (Ultrawide)Third Camera: 2 MP (Macro)Fourth Camera: 2 MP (Depth)
—
Aperture Size
First Camera: F/2.0Second Camera: F/2.2Third Camera: F/2.4Fourth Camera: F/2.4
F/2.2 (13 MP)F/2.4 (2 MP)F/2.4 (2 MP)
Zoom
—
Digital Zoom 4x
Slow Motion
—
HD 720P@120fps
Video
FHD 1080P@30fps
FHD 1080P@30fps
Flash
Yes
Yes
More details (1)Camera Features
Camera Features
Digital Zoom
Night ModeAI Scene Detection
On both: Autofocus (AF), Portrait Mode, Pro Mode, Continuous shooting, Panorama, Exposure compensation, Face detection, Geotagging, HDR, ISO settings, Scene mode, Self-timer, Touch focus, White balance settings

Selfie Camera

Camera
8 MP
5 MP
Aperture Size
F/2.2
F/2.2
Video
FHD 1080P@30fps
FHD 1080P@30fps
Flash
No
No
More details (1)Camera Features
Camera Features
Face DetectionPortrait ModeBeauty ModeGesture ShotHDR
Portrait ModeFace DetectionBeauty ModeGesture ShotHDR

Connectivity

Wi-Fi
Wi-Fi Direct
No extras
On both: Wi-Fi 802.11, b/g/n, Hotspot
Bluetooth
5.0A2DPLE
Same on both
Location
GALILEO
No extras
On both: GPS, A-GPS, GLONASS, BDS
NFC
Yes - (Market/region dependent)
No
USB
USB Type-C 2.0
MicroUSB 2.0

Media

Loudspeaker
Yes
Yes
3.5mm jack
Yes
Yes
FM Radio
Yes - RDS & Recording
Yes

Other specifications

Sensors
Accelerometer
AccelerometerProximityCompass
Lock Type
Fingerprint (Side-mounted)
Fingerprint (Rear-mounted)
On both: Facial Recognition, Pattern, PIN, Password
Box Contents
Power Adapter (15 W)Headphones
Power AdapterProtective Case
On both: Device, USB Cable, SIM Eject Tool, Quick start guide

Charging and Battery

Fast Charging
15 W
Yes - 10 W
Capacity
5000 mAh
5000 mAh

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Copyright © 2026 NXT Test. All Rights Reserved