Samsung Galaxy M12 vs Galaxy A03

Here we compared two budget smartphones: the 6.5-inch Samsung Galaxy M12 (with Exynos 850) that was released on November 24, 2020, against the Samsung Galaxy A03, which is powered by Unisoc T606 and came out 13 months after. 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 M12
  • Higher display refresh rate – 90 Hz
  • Modern USB Type-C port
  • Fingerprint scanner
  • More energy-efficient CPU – Exynos 850
  • Has an ultra-wide angle camera lens
Reasons to consider the Samsung Galaxy A03
  • Compatible with Wi-Fi 5 wireless networks
  • The phone is 1-year and 1-month newer
  • 70% faster in single-core GeekBench 5 test: 305 and 179 points
  • Weighs 18 grams less
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Review

Display
Screen quality, color accuracy, brightness
Performance
CPU/GPU performance in apps and games
Battery
Battery life, charging type and speed
Camera
Photo and video recording quality
Connectivity
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.
Price

Tests and specifications

Comparison table of technical specifications and tests

Display

Type PLS TFT PLS TFT
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 90 Hz 60 Hz
Max rated brightness 450 nits 400 nits
HDR support No No
Screen protection Tempered glass Tempered glass
Screen-to-body ratio 81.9% 81.8%
Display tests
RGB color space 93.3% 96%
PWM - Not detected
Response time 39 ms 45 ms
Contrast 926:1 1641:1
Peak brightness test (auto)
431 nits
419 nits
Sources: NotebookCheck [3], [4]

Design and build

Height 164 mm (6.46 inches) 164.2 mm (6.46 inches)
Width 75.9 mm (2.99 inches) 75.9 mm (2.99 inches)
Thickness 9.7 mm (0.38 inches) 9.1 mm (0.36 inches)
Weight 214 g (7.55 oz) 196 g (6.91 oz)
Waterproof No No
Rear material Plastic Plastic
Frame material Plastic Plastic
Colors Black, Blue, Green Black, Blue, Red
Fingerprint scanner Yes, in home button No
Screen-to-body ratio
81.9%
81.8%

Performance

Tests of Samsung Galaxy M12 and Samsung Galaxy A03 in the benchmarks
SoC
Chipset Samsung Exynos 850 Unisoc T606
Max. clock 2000 MHz 1600 MHz
CPU cores 8 (8) 8 (2 + 6)
Architecture - 8 cores at 2 GHz: Cortex-A55 - 6 cores at 1.6 GHz: Cortex-A55
- 2 cores at 1.6 GHz: Cortex-A75
L3 cache - 1 MB
Lithography process 8 nanometers 12 nanometers
Graphics Mali-G52 MP1 Mali-G57 MP1
GPU clock 680 MHz 650 MHz
FLOPS ~126 GFLOPS -

Benchmarks

Geekbench 5 (Single-Core)
Galaxy A03 +70%
305
Geekbench 5 (Multi-Core)
AnTuTu Benchmark 9
147966
151891
CPU 44756 60739
GPU 24822 24375
Memory 36022 33135
UX 42192 32172
Total score 147966 151891
3DMark Wild Life Performance
428
Stability 98% 97%
Graphics test 2 FPS 2 FPS
Graphics score 428 404
PCMark 3.0 score 5953 6672
Sources: 3DMark [3], [4]

Memory

RAM
RAM size 3, 4 GB 3, 4 GB
Memory type LPDDR4X LPDDR4X
Memory clock 1866 MHz -
Channels 2 2
Storage
Storage size 32, 64, 128 GB 32, 64, 128 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

Software

Operating system Android 11 (Can be upgraded to Android 13) Android 11 (Can be upgraded to Android 13)
ROM One UI Core 5.0 One UI Core 5.0
OS size 14 GB 13.5 GB

Battery

Specifications
Capacity 5000 mAh 5000 mAh
Charge power 15 W 15 W
Battery type Li-Ion Li-Ion
Replaceable No No
Wireless charging No No
Reverse charging No No
Fast charging Yes (40% in 60 min) Yes (20% in 40 min)
Full charging time 2:30 hr 3:35 hr

Camera

Specs and camera test of smartphones
Main camera
Matrix 48 megapixels 48 megapixels
Image resolution 8000 x 6000 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 123° -
Lenses 4 (48 MP + 5 MP + 2 MP + 2 MP) 2 (48 MP + 2 MP)
Wide (main) lens - 48 MP
- Aperture: f/2.0
- Pixel size: 0.8 micron
- Sensor: 1/2", Samsung S5KGM2 (CMOS)
- Phase autofocus
- 48 MP
- Aperture: f/1.8
- Phase autofocus
Ultra-wide lens - 5 MP
- Aperture: f/2.2
- Pixel size: 1.12 micron
- Sensor: 1/5.0" (CMOS)
-
Macro lens - 2 MP
- Aperture: f/2.4
-
Depth lens - 2 MP
- Aperture: f/2.2
- 2 MP
- Aperture: f/2.4
Camera features - Bokeh mode
- Pro mode
- Bokeh mode
Selfie camera
Megapixels 8 megapixels 5 megapixels
Image resolution 3264 x 2448 2560 x 1960
Aperture f/2.0 f/2.2
Sensor type CMOS CMOS
Video resolution 1080p (Full HD) at 30 FPS 1080p (Full HD) at 30 FPS

Connectivity

Wi-Fi standard Wi-Fi 4 (802.11 b/g/n) Wi-Fi 5 (802.11 b/g/n/ac)
Wi-Fi features - 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
- OTG
- Charging
- USB-Storage mode
GPS GPS, GLONASS, Beidou, Galileo 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* 7 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
77.6 dB
81.9 dB

Other

Category Budget Budget
Announced November 2020 November 2021
Release date April 2021 January 2022
SAR (head) 0.54 W/kg -
SAR (body) 1.39 W/kg -
Sensors - Proximity sensor
- Accelerometer
- Ambient light sensor
- Fingerprint
- Proximity sensor
- Accelerometer
- Ambient light sensor
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

Conclusion

If the performance and camera are more important to you, then choose the Samsung Galaxy M12. But if the design is more of a priority – go for the Samsung Galaxy A03.

Cast your vote

So, which phone would you choose?
81 (73.6%)
29 (26.4%)
Total votes: 110

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