Samsung Galaxy A03 Core vs Galaxy A02

Here we compared two budget smartphones: the 6.5-inch Samsung Galaxy A03 Core (with Unisoc SC9863A) that was released on November 15, 2021, against the Samsung Galaxy A02, which is powered by Mediatek MT6739W and came out 10 months before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the gadgets.

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Samsung Galaxy A03 Core
  • 42% better performance in AnTuTu Benchmark (94K versus 66K)
  • CPU with a higher amount of cores (+4)
  • 39% faster in single-core GeekBench 5 test: 146 and 105 points
  • The phone is 10-months newer
Reasons to consider the Samsung Galaxy A02
  • Newer Bluetooth version (v5)
  • Supports Dolby Atmos sound technology


Screen quality, color accuracy, brightness
CPU/GPU performance in apps and games
Battery life, charging type and speed
Photo and video recording quality
Networks, ports, data transmission
NanoReview score
Final comparison evaluation

Value for money

You can enter your local price of these phones (in USD or any other currency) and click on the "Calculate" button to see which one has a better value for money.

Tests and specifications

Comparison table of technical specifications and tests


Size 6.5 inches 6.5 inches
Resolution 720 x 1600 pixels 720 x 1600 pixels
Aspect ratio 20:9 20:9
PPI 270 ppi 270 ppi
Refresh rate 60 Hz 60 Hz
Max rated brightness 450 nits -
HDR support No No
Screen protection Tempered glass Corning Gorilla Glass 3
Screen-to-body ratio 81.8% 81.9%

Design and build

Height 164.2 mm (6.46 inches) 164 mm (6.46 inches)
Width 75.9 mm (2.99 inches) 75.9 mm (2.99 inches)
Thickness 9.1 mm (0.36 inches) 9.1 mm (0.36 inches)
Weight 211 gramm (7.44 oz) 206 gramm (7.27 oz)
Waterproof No No
Rear material Plastic Plastic
Frame material Plastic Plastic
Colors Black, Blue Black, Blue, Red
Fingerprint scanner No No
Screen-to-body ratio


Tests of Samsung Galaxy A03 Core and Samsung Galaxy A02 in the benchmarks
Chipset Unisoc SC9863A Mediatek MT6739W
Max. clock 1600 MHz 1500 MHz
CPU cores 8 (4 + 4) 4 (4)
Architecture - 4 cores at 1.2 GHz: Cortex-A55
- 4 cores at 1.6 GHz: Cortex-A55
- 4 cores at 1.5 GHz: Cortex-A53
Lithography process 28 nanometers 28 nanometers
Graphics PowerVR GE8322 PowerVR GE8100
GPU clock - 570 MHz
RAM size 2 GB 2 GB
Memory type LPDDR3 LPDDR3
Memory clock - 933 MHz
Channels 1 1
Storage size 32 GB 32 GB
Storage type eMMC 5.1 eMMC 5.1
Memory card MicroSD MicroSD
Memory card max. size Up to 1024 GB Up to 1024 GB


Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
AnTuTu Benchmark 9
CPU 28153 22242
GPU 14513 2843
Memory 24746 21450
UX 27706 19920
Total score 94508 66445


Operating system Android 11 Android 10 (Can be upgraded to Android 11)
ROM One UI Core 3.1 One UI Core 3.1
OS size 8.8 GB 9.4 GB


Capacity 5000 mAh 5000 mAh
Charge power 10 W -
Battery type Li-Ion Li-Ion
Replaceable Yes No
Wireless charging No No
Reverse charging No No
Fast charging No No
Full charging time 2:50 hr -


Specs and camera test of smartphones
Main camera
Matrix 8 megapixels 13 megapixels
Image resolution 3264 x 2448 4128 x 3096
Zoom Digital Digital
Stabilization Digital Digital
8K video recording No No
4K video recording No No
1080p video recording Up to 30FPS Up to 30FPS
Slow motion No No
Lenses 1 (8 MP) 2 (13 MP + 2 MP)
Wide (main) lens - 8 MP
- Aperture: f/2.0
- Phase autofocus
- 13 MP
- Aperture: f/1.9
- Phase autofocus
Macro lens - - 2 MP
- Aperture: f/2.4
Camera features - - Bokeh mode
Selfie camera
Megapixels 5 megapixels 5 megapixels
Image resolution 2560 x 1920 2560 x 1960
Aperture f/2.2 f/2.0
Sensor type CMOS CMOS
Video resolution 1080p (Full HD) at 30 FPS 1080p (Full HD) at 30 FPS


Wi-Fi standard Wi-Fi 4 (802.11 a/b/g/n) Wi-Fi 4 (802.11 b/g/n)
Wi-Fi features - Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
- Wi-Fi Direct
- Wi-Fi Hotspot
Bluetooth version 4.2 5
Bluetooth features LE, A2DP LE, A2DP
USB type Micro USB Micro USB
USB version 2 2
USB features - Charging
- USB-Storage mode
- Charging
- USB-Storage mode
NFC* No No
Infrared port No No
Number of SIM* 2 2
Type of SIM card Nano Nano
Multi SIM mode Standby Standby
eSIM support* No No
Hybrid slot No No
LTE Cat* 4 4
5G support No No


Speakers Mono Mono
Headphone audio jack Yes Yes
FM radio - Yes
Dolby Atmos No Yes


Category Budget Budget
Announced November 2021 January 2021
Release date December 2021 January 2021
SAR (head) 0.24 W/kg 0.65 W/kg
SAR (body) 1.39 W/kg 1.71 W/kg
Sensors - Proximity sensor
- Accelerometer
- Ambient light sensor
- Proximity sensor
- Accelerometer
- Ambient light sensor
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.


If the display, performance, and design are more important to you, then choose the Samsung Galaxy A03 Core. But if the connectivity and sound are more of a priority – go for the Samsung Galaxy A02.

Cast your vote

So, which phone would you choose?
131 (70.8%)
54 (29.2%)
Total votes: 185

User opinions

You can share your opinion or ask a question in the comments below
Any 04 May 2022 16:00
How many people love A03 and how many people love A02
+15 Reply