Samsung Galaxy M12 vs Galaxy A03s

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 A03s, which is powered by MediaTek Helio P35 and came out 9 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
  • 22% better performance in AnTuTu Benchmark (146K versus 119K)
  • More energy-efficient CPU – Exynos 850
  • Delivers 20% higher peak brightness (423 against 352 nits)
  • Has an ultra-wide angle camera lens
Reasons to consider the Samsung Galaxy A03s
  • Weighs 18 grams less
  • The phone is 9-months newer

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% 93.9%
PWM - 806 Hz
Response time 39 ms 43 ms
Contrast 926:1 1126:1
Peak brightness test (auto)
Galaxy M12 +20%
423 nits
352 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 gramm (7.55 oz) 196 gramm (6.91 oz)
Waterproof No No
Rear material Plastic Plastic
Frame material Plastic Plastic
Colors Black, Blue, Green White, Black, Blue
Fingerprint scanner Yes, in home button Yes, in home button
Screen-to-body ratio
81.9%
81.8%

Performance

Tests of Samsung Galaxy M12 and Samsung Galaxy A03s in the benchmarks
SoC
Chipset Samsung Exynos 850 MediaTek Helio P35
Max. clock 2000 MHz 2350 MHz
CPU cores 8 (8) 8 (4 + 4)
Architecture - 8 cores at 2 GHz: Cortex-A55 - 4 cores at 1.8 GHz: Cortex-A53
- 4 cores at 2.3 GHz: Cortex-A53
Lithography process 8 nanometers 12 nanometers
Graphics Mali-G52 MP1 IMG PowerVR GE8320
GPU clock 680 MHz 680 MHz
FLOPS ~126 GFLOPS ~44.8 GFLOPS
Memory
RAM size 3, 4 GB 3, 4 GB
Memory type LPDDR4X -
Memory clock 1866 MHz -
Channels 2 2
Storage
Storage size 32, 64, 128 GB 32, 64 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

Benchmarks

Geekbench 5 (Single-Core)
179
Geekbench 5 (Multi-Core)
Galaxy M12 +17%
1034
AnTuTu Benchmark 9
Galaxy M12 +22%
146321
119469
CPU 44756 36930
GPU 24822 15632
Memory 36022 29149
UX 42192 38919
Total score 146321 119469
3DMark Wild Life Performance
Stability 98% -
Graphics test 2 FPS -
Graphics score 427 -
PCMark 3.0 score 5979 -
Sources: 3DMark [3]

Software

Operating system Android 11 (Can be upgraded to Android 12) Android 11 (Can be upgraded to Android 12)
ROM One UI Core 4.1 One UI Core 4.1
OS size 14 GB 13.2 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 (15% in 30 min)
Full charging time 2:30 hr 3:38 hr
Battery life tests
Web browsing - 15:57 hr
Watching video - 14:23 hr
Gaming - 06:16 hr
Standby - 124 hr
General battery life
39:16 hr

Camera

Specs and camera test of smartphones
Main camera
Matrix 48 megapixels 13 megapixels
Image resolution 8000 x 6000 4128 x 3096
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) 3 (13 MP + 2 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
- 13 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
- 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 4 (802.11 b/g/n)
Wi-Fi features - Wi-Fi Direct
- Wi-Fi Hotspot
- 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 USB Type-C
USB version 2 2
USB features - Charging
- USB-Storage mode
- OTG
- Charging
- USB-Storage mode
- OTG
GPS GPS, GLONASS, Beidou, Galileo GPS, GLONASS, Beidou, Galileo
NFC* Yes Depends on the region
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 No
Dolby Atmos Yes Yes
Speakers test
Max. loudness
77.6 dB
86.5 dB

Other

Category Budget Budget
Announced November 2020 August 2021
Release date April 2021 August 2021
SAR (head) 0.54 W/kg 0.36 W/kg
SAR (body) 1.39 W/kg 1.09 W/kg
Sensors - Proximity sensor
- Accelerometer
- Ambient light sensor
- Fingerprint
- Proximity sensor
- Accelerometer
- Ambient light sensor
- Fingerprint
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

Conclusion

If the display, performance, and camera are more important to you, then choose the Samsung Galaxy M12. But if the battery life, design, and sound are more of a priority – go for the Samsung Galaxy A03s.

Cast your vote

So, which phone would you choose?
158 (78.2%)
44 (21.8%)
Total votes: 202

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