Home Phone comparison Xiaomi Redmi 12 and Samsung Galaxy A03 - Which is better?

Xiaomi Redmi 12 vs Samsung Galaxy A03

47 out 100
Xiaomi Redmi 12
VS
37 out 100
Samsung Galaxy A03
Xiaomi Redmi 12
Samsung Galaxy A03

Compared 2 smartphones : Xiaomi Redmi 12 Manufactured in June, 2023, with display 6.79 with chipsetMediaTek Helio G88, vs Samsung Galaxy A03, Manufactured in January, 2022with chipsetUnisoc T606. 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 12
  • Larger display: 6.79in
  • Higher pixel density: 396ppi
  • Higher refresh rate: 90Hz
  • Newer Bluetooth version: 5.3 vs 5
  • Infrared port
  • Fingerprint scanner
Reasons to choose Samsung Galaxy A03
  • Lighter design: 196g vs 198.5g
  • Supports Dolby Atmos
  • Includes charger

Versions

Available versions and configurations
Memory Options - 2/128 GB
- 4/128 GB
- 6/128 GB
- 8/128 GB
- 8/256 GB		 - 2/32 GB
- 3/32 GB
- 3/64 GB
- 4/32 GB
- 4/64 GB
- 4/128 GB

Review

Key Specs Xiaomi Redmi 12 and Samsung Galaxy A03
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.
Customize your score
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 12
vs
Samsung Galaxy A03

Display

Display quality comparison
Type IPS LCD PLS TFT
Size 6.79 in 6.5 in
Resolution 1080x2460 pixels 720x1600 pixels
Aspect ratio 19.5:9 20:9
Pixel density 396 ppi 270 ppi
Refresh rate 90 Hz 60 Hz
Adaptive refresh rate No No
Max brightness 550 nits 400 nits
HDR support No No
Screen-to-body ratio 88 % 81.9 %
Display test
Peak brightness (auto)
Xiaomi Redmi 12
539 nits
Samsung Galaxy A03
418 nits
sRGB gamut96.3 %96 %
Response time26 ms45 ms
Contrast898:11641:1
Sources: NotebookCheck [Xiaomi Redmi 12], [Samsung Galaxy A03]

Design & Build

Design and ergonomics comparison
Height 168.6 mm (6.64 in) 164.2 mm (6.46 in)
Width 76.28 mm (3 in) 75.9 mm (2.99 in)
Thickness 8.17 mm (0.32 in) 9.1 mm (0.36 in)
Weight 198.5 g (7 oz) 196 g (6.91 oz)
Water resistance IP53 No
Back panel Plastic Plastic
Frame Plastic Plastic
Colors - Black
- Silver
- Blue		 - Black
- Blue
- Red
Fingerprint sensor Yes In-Button No
Screen-to-body ratio
Xiaomi Redmi 12
88 %
Samsung Galaxy A03
81.9 %

Performance

Testing Xiaomi Redmi 12 and Samsung Galaxy A03 In benchmarks
Processor
Chipset MediaTek Helio G88 Unisoc T606
Max Frequency 2000 MHz 1600 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6/1.8 (Cortex-A55)
- 2/2 (Cortex-A75)		 - 6/1.6 (Cortex-A55)
- 2/1.6 (Cortex-A75)
Process TSMC TSMC
Transistor Size 12 nm 12 nm
Neural Processor MediaTek APU No
Graphics Mali-G52 MP2 Mali-G57 MP1
GPU Cores 48 32
GPU Frequency 1000 MHz 650 MHz
FLOPS 96 GFLOPS 83.2 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Redmi 12
434
Samsung Galaxy A03
371
Geekbench 6 (Multi-Core)
Xiaomi Redmi 12
1223
Samsung Galaxy A03
1255
Geekbench 6 (Single-Core)434371
Geekbench 6 (Multi-Core)12231255
Sources: Geekbench v6 [Samsung Galaxy A03]
AnTuTu 10
AnTuTu 10
Xiaomi Redmi 12
266658
Samsung Galaxy A03
208818
CPU8450877300
GPU3952222121
Memory6968849186
UX7294060211
NanoReview Score266658208818
3DMark Wild Life
3DMark Wild Life
Xiaomi Redmi 12
743
Samsung Galaxy A03
407
Max Surface Temp.n/a43.2 °C
Stabilityn/a97 %
Graphics Testn/a2 fps
Graphics Scoren/a407
Sources: 3DMark [Xiaomi Redmi 12], [Samsung Galaxy A03]
PCMark 3.0
PCMark 3.0
Xiaomi Redmi 12
9150
Samsung Galaxy A03
6773
Writing score86468595
Web score86156021
Video editing68493936
Data manipulation63915354
NanoReview Score91506773

Memory

RAM
RAM Size - 4 GB
- 8 GB		 - 3 GB
- 4 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 1800 MHz n/a
Channels 2 2
Storage
Storage Capacity- 128 GB
- 256 GB		- 32 GB
- 64 GB
- 128 GB
Storage TypeeMMC 5.1eMMC 5.1
Memory CardMicroSDMicroSD

Software

OS Android 13 (Upgradeable to Android 15) Android 11 (Upgradeable to Android 13)
OS Size 18 GB 13.5 GB
UI Skin HyperOS 2.0 One UI Core 5.1

Battery

Volume 5000 mAh 5000 mAh
Max Charging Power 18 W 15 W
Battery Type Li-Po Li-ion
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes (29% in 30 min) Yes (20% in 40 min)
Full Charge Time 2:07 h 3:35 h
Battery Life Test
Battery Life
Xiaomi Redmi 12
22:09
Samsung Galaxy A03
21:21
Web Browsing07:58 h09:11 h
Video Playback12:45 h11:46 h
Games04:59 h05:23 h
Standby Mode118 h103 h

Main camera

Matrix 50 MP 48 MP
Photo resolution 8150x6150 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 120 fps (720p) No
Wide-angle lens 120 ° n/a
Lenses count Standard: 50 MP
Ultra-wide: 8 MP
Depth: 2 MP		 Standard: 48 MP
Depth: 2 MP
Features - Bokeh effect
- Pro mode		 Bokeh effect
Main lens
Matrix50 MP48 MP
Aperturef/1.8f/1.8
SensorSamsung S5KJN1n/a
Sensor size1/2.76n/a
Pixel size0.64 μm0.8 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalDigital
Ultra-wide lens
Matrix8 MPn/a
Aperturef/2.2n/a
SensorSony IMX355n/a
Sensor size1/2.8n/a
Pixel size1.14 μmn/a
StabilizationDigitaln/a

Front camera

Matrix 8 MP 5 MP
Photo resolution 3264x2448 pixels 2560x1960 pixels
Aperture f/2.1 f/2.2
Sensor n/a CMOS
Autofocus No No
Stabilization Digital Digital
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 5 (802.11 a/b/g/n/ac)
Wi-Fi features - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.3 5
Bluetooth features LE 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
- Galileo		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Varies by region No
Infrared Port Yes No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotYesNo
2G BandsGSM 2/3/5/8GSM GSM850, GSM900, DCS1800
3G BandsWCDMA 1/5/8UMTS B1 (2100), B5(850), B8 (900)
LTE category74
5G SupportNoNo

Sound

Speakers Mono Mono
3.5 mm Jack Yes Yes
FM Radio Yes n/a
Dolby Atmos No Yes
Speaker Test
Max Volume
Xiaomi Redmi 12
79.4 dB
Samsung Galaxy A03
81.9 dB

Other

Class Budget Budget
Announced June, 2023 yr November, 2021 yr
Release Date June, 2023 yr January, 2022 yr
Launch Price ($) 159 140
Sensors - Accelerometer
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Accelerometer
- Ambient Light Sensor
Charger Included No Yes 8 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Xiaomi Redmi 12 the clear winner in this comparison.

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