1. NXT Test
  2. Compare

Samsung Galaxy A03 Core vs Realme C21

Samsung Galaxy A03 Core SamsungGalaxy A03 Core
VS
Realme C21 RealmeC21

The third device is shown on desktop screens only

General

Device Type
Smart Phone
Smart Phone
Device Name
Samsung Galaxy A03 CoreSM-A032FSM-A032F/DS
Realme C21RMX3201
Announced
November 2021
March 2021
Released
December 2021
March 2021
Colors
BlackBlue
Cross BlackCross Blue

Design

Length
164.2 mm (6.46 in)
165.2 mm (6.50 in)
Width
75.9 mm (2.99 in)
76.4 mm (3.01 in)
Thickness
9.1 mm (0.36 in)
8.9 mm (0.35 in)
Weight
211 g (7.44 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
Dual SIM: SIM1 + SIM2 + MicroSD
Dual SIM: SIM1 + SIM2 + MicroSD
Speed
3G Up to 42 MB4G Up to 150 MB
Same on both

Display

Display Type
PLS TFT
IPS LCD
Size
6.5 Inches
6.5 Inches
Resolution
720x1600 Pixels (HD+)
720x1600 Pixels (HD+)
Screen Ratio
81.8%
80.8%
Aspect Ratio
20:9
20:9
Pixel Density
270 PPI
270 PPI
Brightness Level
—
400 Nits
Features
Water Drop NotchEye Care DisplayDark ModeCapacitiveMulti-touch16M Colors
Same on both

Hardware

Chipset
Unisoc SC9863A
MediaTek Helio G35
Manufacturing Technology
28 nm
12 nm
CPU Type
8 (Octa-core)
8 (Octa-core)
CPU
4x1.6 GHz (Cortex-A55)4x1.2 GHz (Cortex-A55)
4x2.3 GHz (Cortex-A53)4x1.8 GHz (Cortex-A53)
GPU
IMG8322
PowerVR GE8320
RAM (Memory)
2 GB
3/4 GB3 GB (32 GB)4 GB (64 GB)
Internal Storage
32 GB
32/64 GB
Storage Type
eMMC 5.1
eMMC 5.1
Ram Type
—
LPDDR4x
Card Slot
Yes - MicroSD
Yes - MicroSD

Software

OS
Android 11 Go
Android 10
User Interface
One UI 3.1 Core
Realme UI

Main camera

Camera Setup
Single Camera
Triple Camera
Resolution
8 MP
13 + 2 + 2 MP
Camera
—
13 MP: Standard2 MP: Macro2 MP: Depth
Aperture Size
F/2.0
F/2.2 (13 MP)F/2.4 (2 MP)F/2.4 (2 MP)
Zoom
Digital 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
No extras
Portrait ModeNight ModePro ModeAI Scene Detection
On both: Autofocus (AF), Continuous shooting, Panorama, Exposure compensation, Face detection, Geotagging, HDR, ISO settings, Scene mode, Self-timer, Touch focus, White balance settings

Selfie Camera

Camera
5 MP
5 MP
Aperture Size
F/2.2
F/2.2
Video
—
FHD 1080P@30fps
Flash
No
No
More details (1)Camera Features
Camera Features
No extras
Portrait Mode
On both: Face Detection, Beauty Mode, Gesture Shot, HDR

Connectivity

Wi-Fi
Wi-Fi Direct
No extras
On both: Wi-Fi 802.11, b/g/n, Hotspot
Bluetooth
4.2A2DP
5.0A2DPLE
Location
No extras
BDS
On both: GPS, A-GPS, GLONASS
NFC
No
No
USB
MicroUSB 2.0
MicroUSB 2.0

Media

Loudspeaker
Yes
Yes
3.5mm jack
Yes
Yes
FM Radio
Yes
Yes

Other specifications

Sensors
AccelerometerProximity
AccelerometerProximityCompass
Lock Type
No extras
Fingerprint (Rear-mounted)
On both: Facial Recognition, Pattern, PIN, Password
Box Contents
DeviceUSB CablePower AdapterProtective CaseSIM Eject ToolQuick start guide
Same on both

Charging and Battery

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

BrandsView All

Show More Brands

Top Mobile

New Arrivals

Copyright © 2026 NXT Test. All Rights Reserved
Copyright © 2026 NXT Test. All Rights Reserved