Samsung Galaxy A20 vs Galaxy A03

31 out of 100
Samsung Galaxy A20
VS
33 out of 100
Samsung Galaxy A03

Here we compared two smartphones: the 6.4-inch Samsung Galaxy A20 (with Exynos 7 Octa 7884) that was released on March 18, 2019, against the Samsung Galaxy A03, which is powered by Unisoc T606 and came out 2 years and 9 months after. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.

Select the amount of RAM to evaluate performance and value for money more precisely
Memory 3 / 32 GB

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Samsung Galaxy A20
  • Modern USB Type-C port
  • Fingerprint scanner
  • Has 50% more RAM: 3GB versus 2GB
  • Super AMOLED display (versus competitor's PLS TFT)
  • 30% faster in single-core GeekBench 6 test: 482 and 370 points
  • Weighs 27 grams less
Reasons to consider the Samsung Galaxy A03
  • Comes with 1000 mAh larger battery capacity: 5000 vs 4000 mAh
  • 42% better performance in AnTuTu Benchmark (291K versus 205K)
  • Uses a faster type of memory: LPDDR4X
  • More recent OS version: Android 13 versus 11
  • Compatible with Wi-Fi 5 wireless networks
  • The phone is 2 years and 9 months newer
  • More energy-efficient CPU – Unisoc T606
  • The front-facing camera can record video at 1080p

Review

Evaluation of Samsung Galaxy A20 and Galaxy A03 crucial features
Display
Screen quality, color accuracy, brightness
Camera
Photo and video recording quality
Performance
CPU and memory performance (apps, system)
Gaming
Capabilities for playing modern games
Battery
Battery life, charging type and speed
Connectivity
Networks, ports, data transmission
Scores with a red asterisk (*) are approximate and may change in the future as we gather more data.
NanoReview Score
Final comparison evaluation
Select your primary usage scenario to get a more accurate NanoReview Score
πŸ“± Primary usage:

Value for money (Beta)

Should I update?
No 20% Yes
No, we don't think this update is worth it.
Moving from Samsung Galaxy A20 to Samsung Galaxy A03 will likely not feel like a meaningful upgrade.
Main improvements: battery life and camera.
Be aware: the newer phone is weaker in gaming and connectivity.

Tests and specifications

Comparison table of technical specifications and tests

Display

Type Super AMOLED PLS TFT
Size 6.4 inches 6.5 inches
Resolution 720 x 1560 pixels 720 x 1600 pixels
Aspect ratio 19.5:9 20:9
PPI 268 ppi 270 ppi
Refresh rate 60 Hz 60 Hz
Adaptive refresh rate No No
Max rated brightness 400 nits 400 nits
HDR support No No
Screen protection Corning Gorilla Glass 3 Tempered glass
Screen-to-body ratio 84.9% 81.9%
Display tests
RGB color space - 96%
PWM - Not detected
Response time - 45 ms
Contrast - 1641:1
Peak brightness test (auto)
422 nits
Sources: NotebookCheck [3]

Design and build

Height 158.4 mm (6.24 inches) 164.2 mm (6.46 inches)
Width 74.7 mm (2.94 inches) 75.9 mm (2.99 inches)
Thickness 7.8 mm (0.31 inches) 9.1 mm (0.36 inches)
Weight 169 g (5.96 oz) 196 g (6.91 oz)
Waterproof No No
Rear material Plastic Plastic
Frame material Plastic Plastic
Colors - Black, Blue, Red
Fingerprint scanner Yes, rear No
Screen-to-body ratio
84.9%
81.9%

Performance

Chipset specifications of Samsung Galaxy A20 and Samsung Galaxy A03
SoC
Chipset Samsung Exynos 7 Octa 7884 Unisoc T606
Max clock 1600 MHz 1600 MHz
CPU cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6 cores at 1.35 GHz: Cortex-A53
- 2 cores at 1.6 GHz: Cortex-A73
- 6 cores at 1.6 GHz: Cortex-A55
- 2 cores at 1.6 GHz: Cortex-A75
L3 cache - 1 MB
Manufacturing Samsung TSMC
Lithography process 14 nanometers 12 nanometers
Neural processor (NPU) No No
GPU
Graphics Mali-G71 MP2 Mali G57 MP1
GPU shading units 24 32
GPU clock 845 MHz 650 MHz
FLOPS ~40.6 GFLOPS ~41.6 GFLOPS

Benchmarks

Benchmark comparison of Samsung Galaxy A20 and Samsung Galaxy A03
Geekbench 6 (Single-Core)
Galaxy A20 +30%
482
Geekbench 6 (Multi-Core)
Galaxy A20 +27%
1526
1199
Single-core score 482 370
Multi-core score 1526 1199
Sources: Geekbench [3]
AnTuTu Benchmark 11
205752
Galaxy A03 +42%
291706
CPU 96175 136204
GPU 11203 15043
Memory 60735 67286
UX 37539 73173
Total score 205752 291706
Samples Less than 3 [3 tests]
PCMark 3.0
5004
Galaxy A03 +43%
7149
Web score 4726 6677
Video editing 3603 3936
Photo editing 8040 14202
Data manipulation 4769 5677
Writing score 4872 8365

Recent User Tests

The latest benchmark tests that have been submitted by users
Samsung Galaxy A20
DateBenchmarkResult
πŸ“˜ 2026-03-25 (Aditya)AnTuTu 11205752
Samsung Galaxy A03
DateBenchmarkResult
πŸ“˜ 2026-09-19 (Muniviiro)AnTuTu 12367769
πŸ“˜ 2025-11-19 -> UsererAnTuTu 11291706
πŸ“˜ 2025-11-17 (niokn)AnTuTu 11303324
πŸ“˜ 2025-10-08 (KIN)AnTuTu 11291379
πŸ“˜ 2024-07-30 (enmitysl)Geekbench 6 CPU370 / 1199

Memory

RAM
RAM size 3 GB 2 GB
Memory type LPDDR3 LPDDR4X
Memory clock 933 MHz -
Channels 1 2
Storage
Storage size 32 GB 32 GB
Storage type eMMC 5.1 eMMC 5.1
Memory card MicroSD MicroSD
Memory card max size Up to 512 GB Up to 1024 GB

Software

Operating system Android 9.0 (Can be upgraded to Android 11) Android 11 (Can be upgraded to Android 13)
ROM One UI 3.1 One UI Core 5.1
OS size - 13.5 GB
OS updates 2 years 2 years
Security updates 4 years 4 years

Battery

Capacity 4000 mAh 5000 mAh
Max charge power 15 W 15 W
Battery type Li-Po Li-Ion
Replaceable No No
Wireless charging No No
Reverse charging No No
Fast charging Yes, Samsung Adaptive Fast Charge (25% in 30 min) Yes (20% in 40 min)
Full charging time 2:00 hr 3:35 hr
Battery life tests
Web browsing - 09:11 hr
Watching video - 11:46 hr
Gaming - 05:23 hr
Standby - 103 hr
General battery life
21:21 hr

Main camera

Matrix 13 megapixels 48 megapixels
Image resolution 4128 x 3096 8000 x 6000
Zoom Digital Digital
Flash LED LED
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
Angle of widest lens 123Β° -
Lenses 1) Standard: 13 MP
2) Ultrawide: 5 MP
1) Standard: 48 MP
2) Depth: 2 MP
Camera features - - Bokeh mode
Standard lens
Image resolution 13 MP 48 MP
Aperture f/1.9 f/1.8
Focal length 28 mm -
Pixel size - 0.8 micron
Autofocus Phase autofocus Phase autofocus
Stabilization Digital Digital
Ultra-wide lens
Image resolution 5 MP -
Aperture f/2.2 -
Focal length 12 mm -
Stabilization Digital -

Selfie camera

Megapixels 8 megapixels 5 megapixels
Image resolution 3264 x 2448 2560 x 1960
Aperture f/2.0 f/2.2
Sensor CMOS CMOS
Autofocus No No
Stabilization Digital Digital
Video resolution 720p at 30 FPS 1080p (Full HD) at 30 FPS
Depth sensor (TOF 3D) No No

Connectivity

Wi-Fi standard Wi-Fi 4 (802.11 b/g/n) Wi-Fi 5 (802.11 b/g/n/ac)
Wi-Fi features - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5 5
Bluetooth features PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP LE, A2DP
USB type USB Type-C Micro USB
USB version 2 2
USB features - Charging
- USB-Storage mode
- Charging
- USB-Storage mode
GPS GPS, GLONASS, Beidou GPS, GLONASS, Beidou, Galileo, QZSS
NFC* Yes No
Infrared port No No
Network
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

Sound

Speakers Mono Mono
Headphone audio jack Yes Yes
FM radio Yes -
Dolby Atmos Yes Yes
Speakers test
Max loudness
81.9 dB

Other

Category Mid-range Budget
Announced March 2019 November 2021
Release date March 2019 January 2022
Launch price (MSRP) $150 $140
Successor - Samsung Galaxy A24 4G - Samsung Galaxy A07 4G
SAR (head) 0.23 W/kg -
SAR (body) 1.38 W/kg -
Sensors - Hall-effect sensor
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
- Proximity sensor
- Accelerometer
- Ambient light sensor
Bundled charger - Yes, 8 W
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

Conclusion

If the camera, battery life, and software are more important to you, then choose the Samsung Galaxy A03. But if the display, performance, gaming, connectivity, and design are more of a priority – go for the Samsung Galaxy A20.

Cast your vote

So, which phone would you choose?
22 (30.6%)
50 (69.4%)
Total votes: 72

User opinions

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