Home Phone comparison Xiaomi Redmi A3 and Samsung Galaxy M12 - Which is better?

Xiaomi Redmi A3 vs Samsung Galaxy M12

40 out 100
Xiaomi Redmi A3
VS
39 out 100
Samsung Galaxy M12
Xiaomi Redmi A3
Samsung Galaxy M12

Compared 2 smartphones : Xiaomi Redmi A3 Manufactured in February, 2024, with display 6.71 with chipsetMediaTek Helio G36, vs Samsung Galaxy M12, Manufactured in April, 2021 with chipsetSamsung Exynos 850. Below are specs, tests, pros and cons for each device

  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery Life
  6. Cameras
  7. Comments (0)

Key Differences

Device key advantages
Reasons to choose Xiaomi Redmi A3
  • Larger display: 6.71in
  • Lighter design: 199g vs 214g
  • Newer Bluetooth version: 5.4 vs 5
  • Includes charger
Reasons to choose Samsung Galaxy M12
  • Higher pixel density: 270ppi
  • Supports Dolby Atmos

Versions

Available versions and configurations
Memory Options - 2/64 GB
- 3/64 GB
- 3/128 GB
- 4/64 GB
- 4/128 GB
- 6/128 GB		 - 3/32 GB
- 4/32 GB
- 4/64 GB
- 4/128 GB

Review

Key Specs Xiaomi Redmi A3 and Samsung Galaxy M12
Display
Color accuracy, sharpness & brightness
Camera
Main & front camera tests
Performance
App & system performance
Games
3D gaming performance
Battery
Battery life, charging speed & type
Connectivity
Connectivity features
NanoReview Score
Overall score by NanoReview
Adjust each parameter’s importance to find the best match for you.
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Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison
Smartphones:
Xiaomi Redmi A3
vs
Samsung Galaxy M12

Display

Display quality comparison
Type IPS LCD PLS TFT
Size 6.71 in 6.5 in
Resolution 720x1650 pixels 720x1600 pixels
Aspect ratio 20:9 20:9
Pixel density 268 ppi 270 ppi
Refresh rate 90 Hz 90 Hz
Adaptive refresh rate No No
Max brightness 420 nits 450 nits
HDR support No No
Screen-to-body ratio 84.6 % 82 %
Display test
Peak brightness (auto)
Xiaomi Redmi A3
357 nits
Samsung Galaxy M12
424 nits
sRGB gamut95.1 %93.3 %
Response time40 ms39 ms
Contrast1314:1926:1
Sources: NotebookCheck [Xiaomi Redmi A3], [Samsung Galaxy M12]

Design & Build

Design and ergonomics comparison
Height 168.3 mm (6.63 in) 164 mm (6.46 in)
Width 76.3 mm (3 in) 75.9 mm (2.99 in)
Thickness 8.32 mm (0.33 in) 9.7 mm (0.38 in)
Weight 199 g (7.02 oz) 214 g (7.55 oz)
Water resistance No No
Back panel Plastic Plastic
Frame Plastic Plastic
Colors - Black
- Blue
- Green		 - Black
- Blue
- Green
Fingerprint sensor Yes In-Button Yes In-Button
Screen-to-body ratio
Xiaomi Redmi A3
84.6 %
Samsung Galaxy M12
82 %

Performance

Testing Xiaomi Redmi A3 and Samsung Galaxy M12 In benchmarks
Processor
Chipset MediaTek Helio G36 Samsung Exynos 850
Max Frequency 2200 MHz 2000 MHz
CPU Cores 8 (4 + 4) 8 (8)
Architecture - 4/1.8 (Cortex-A53)
- 4/2.2 (Cortex-A53)		 8/2 (Cortex-A55)
Process TSMC Samsung
Transistor Size 12 nm 8 nm
Neural Processor No No
Graphics PowerVR GE8320 Mali-G52 MP1
GPU Cores 32 24
GPU Frequency 680 MHz 680 MHz
FLOPS 43.5 GFLOPS 40.8 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Redmi A3
230
Samsung Galaxy M12
481
Geekbench 6 (Multi-Core)
Xiaomi Redmi A3
840
Samsung Galaxy M12
1522
Geekbench 6 (Single-Core)230481
Geekbench 6 (Multi-Core)8401522
AnTuTu 10
AnTuTu 10
Xiaomi Redmi A3
153983
Samsung Galaxy M12
185374
CPU5534064990
GPU1074926753
Memory4286454180
UX4503039451
NanoReview Score153983185374
3DMark Wild Life
3DMark Wild Life
Xiaomi Redmi A3
n/a
Samsung Galaxy M12
429
Max Surface Temp.n/a41.7 °C
Stabilityn/a98 %
Graphics Testn/a2 fps
Graphics Scoren/a429
Sources: 3DMark [Samsung Galaxy M12]
PCMark 3.0
PCMark 3.0
Xiaomi Redmi A3
n/a
Samsung Galaxy M12
5926
Writing scoren/a5648
Web scoren/a5853
Video editingn/a5741
Data manipulationn/a4734
NanoReview Scoren/a5926

Memory

RAM
RAM Size - 3 GB
- 4 GB
- 6 GB		 - 3 GB
- 4 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 1600 MHz 1866 MHz
Channels 2 2
Storage
Storage Capacity- 64 GB
- 128 GB		- 32 GB
- 64 GB
- 128 GB
Storage TypeeMMC 5.1eMMC 5.1
Memory CardMicroSDMicroSD

Software

OS Android 14 Android 11 (Upgradeable to Android 13)
OS Size 19 GB 14 GB
UI Skin MIUI Go Edition One UI Core 5.0

Battery

Volume 5000 mAh 5000 mAh
Max Charging Power 10 W 15 W
Battery Type Li-ion Li-ion
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging No Yes (40% in 60 min)
Full Charge Time 2:40 h 2:30 h
Battery Life Test
Battery Life
Xiaomi Redmi A3
n/a
Samsung Galaxy M12
22:27
Web Browsingn/a08:52 h
Video Playbackn/a12:52 h
Gamesn/a05:12 h
Standby Moden/a113 h

Main camera

Matrix 8 MP 48 MP
Photo resolution 3264x2448 pixels 8000x6000 pixels
Zoom Digital Digital
Flash LED LED
Stabilization Digital Digital
8K Recording No No
4K Recording No No
1080p Recording Yes (Up to 30 fps) Yes (Up to 30 fps)
Slow Motion No No
Wide-angle lens n/a 123 °
Lenses count Standard: 8 MP
Depth: 0.08 MP		 Standard: 48 MP
Ultra-wide: 5 MP
Macro: 2 MP
Depth: 2 MP
Features Bokeh effect - Bokeh effect
- Pro mode
Main lens
Matrix8 MP48 MP
Aperturef/2.0f/2.0
Sensorn/aSamsung S5KGM2
Sensor sizen/a1/2
Pixel sizen/a0.8 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalDigital
Ultra-wide lens
Matrixn/a5 MP
Aperturen/af/2.2
Sensor sizen/a1/5.0
Pixel sizen/a1.12 μm
Stabilizationn/aDigital

Front camera

Matrix 5 MP 8 MP
Photo resolution 2592x1944 pixels 3264x2448 pixels
Aperture f/2.2 f/2.0
Sensor CMOS CMOS
Autofocus No No
Stabilization Digital No
Video resolution 1080p (Full HD) at 30 fps 1080p (Full HD) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 4 (802.11 a/b/g/n)
Wi-Fi features - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Wi-Fi Direct
- Wi-Fi Hotspot
Bluetooth version 5.4 5
Bluetooth features LE PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, 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
DisplayPort No n/a
GPS - GPS
- GLONASS
- Beidou
- Galileo		 - GPS
- GLONASS
- Beidou
- Galileo
NFC* No Yes
Infrared Port No No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM B2, B3, B5, B8GSM850, GSM900, DCS1800, PCS1900
3G BandsWCDMA B1, B5, B8UMTS B1 (2100), B2 (1900), B4(AWS), B5(850), B8 (900)
LTE Bands*LTE (B1/B3/B5/B7/B8/B20/B28)LTE (B1/B2/B3/B4/B5/B7/B8/B12/B17/B20/B26/B28/B66)
LTE category47
5G SupportNoNo

Sound

Speakers Mono Mono
3.5 mm Jack Yes Yes
FM Radio Yes Yes
Dolby Atmos No Yes
Speaker Test
Max Volume
Xiaomi Redmi A3
78.8 dB
Samsung Galaxy M12
77.6 dB

Other

Class Budget Budget
Announced February, 2024 yr November, 2020 yr
Release Date February, 2024 yr April, 2021 yr
Launch Price ($) 80 180
Sensors - Accelerometer
- Ambient Light Sensor
- Fingerprint sensor		 - Proximity Sensor
- Accelerometer
- Ambient Light Sensor
- Fingerprint sensor
Charger Included Yes 10 W n/a

Note

Xiaomi Redmi A3:

The smartphone in green color is 7 grams lighter than the others.

* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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