Samsung Galaxy A03s vs Xiaomi Redmi Note 12 Pro 4G - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date August 18, 2021 April 11, 2023
Release Year 2021 2023

Physical

Volume 113.41 cm³ 101.21 cm³
Screen Size to Weight Ratio 3.32 "/g 3.31 "/g
Weight 196 g 201.8 g
Height 164.2 mm 164.2 mm
Width 75.9 mm 76.1 mm
Thickness 9.1 mm 8.1 mm
Foldable Design No No
Available Colors
  • Black
  • Blue
  • White
  • Polar White
  • Graphite Gray
  • Star Blue
  • Ice blue

Display

Screen Size 6.5 " 6.67 "
Resolution 720 x 1600 1080 x 2400
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 81.8 % 86 %
Pixel Density 270 PPI 395 PPI
Refresh Rate N/A 120 Hz
Typical Brightness N/A N/A
HBM Brightness N/A 700 nits
Peak Brightness N/A 1100 nits

Hardware

Battery Capacity per Screen Area 118.34 mAh/in² 112.39 mAh/in²
Battery Density 44.09 mAh/cm³ 49.4 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support Yes Yes
Chipset Mediatek MT6765 Helio P35 (12 nm) Qualcomm SM7150 Snapdragon 732G (8 nm)
CPU Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver)
GPU PowerVR GE8320 Adreno 618

Connectivity

USB Version 2.0 2.0
OTG Support 1
DisplayPort
DisplayPort Version N/A N/A
USB Features USB Type-C 2.0 USB Type-C 2.0, OTG

Software

Operating System Android Android
Initial OS Version 11 11
Maximum OS Version 12

Comparison Summary

Alright, let's dive into a head-to-head comparison of the Samsung Galaxy A03s and the Xiaomi Redmi Note 12 Pro 4G. We'll break down the specs, look at what they mean for everyday use, and then figure out which phone is the better fit for different types of users.

1. Specifications Breakdown

Here's a detailed breakdown of the key specs, coupled with a look at their practical implications:

FeatureSamsung Galaxy A03sXiaomi Redmi Note 12 Pro 4GReal-World Implications
Design
Dimensions164.2 × 75.9 × 9.1 mm164.2 × 76.1 × 8.1 mmSimilar height and width, but the Redmi Note 12 Pro is significantly thinner and might feel more premium.
Weight196g201.8gA03s is slightly lighter, which might matter if you hold your phone for extended periods.
Display
Size6.5"6.67"Redmi Note 12 Pro offers a slightly larger screen for a more immersive viewing experience.
Resolution720x16001080x2400Redmi Note 12 Pro's higher resolution provides sharper, clearer images and text.
Pixel Density270 ppi395 ppiThe Redmi Note 12 Pro's display will look significantly crisper and more detailed.
TechnologyPLS LCDAMOLEDAMOLED offers much better contrast, deeper blacks, and more vibrant colors than LCD, especially in dark mode.
Refresh Rate60Hz120HzRedmi Note 12 Pro's 120Hz refresh rate results in noticeably smoother scrolling and animations.
Brightness0 nits1200 nitsRedmi Note 12 Pro will be much more usable in bright sunlight.
Performance
ChipsetMediaTek Helio P35 (12 nm)Snapdragon 732G (8 nm)The Redmi Note 12 Pro's Snapdragon chipset is significantly faster, leading to smoother app performance and gaming.
AnTuTu Score117,049397,200Redmi Note 12 Pro has much faster performance. Expect a big difference in speed and responsiveness.
GPUPowerVR GE8320Adreno 618Redmi Note 12 Pro's Adreno GPU provides better graphics performance for gaming and other demanding tasks.
Camera
Main Camera13MP, f/2.2108MP, f/1.9Redmi Note 12 Pro's main camera captures significantly more detail and performs better in low light.
Selfie Camera5MP, f/2.016MP, f/2.45Redmi Note 12 Pro's selfie cam offers more detail for better-looking self-portraits.
Wide Angle LensNone8MP, f/2.2Redmi Note 12 Pro provides a wider field of view to capture more in each shot.
Depth SensorNone2MP, f/2.4Redmi Note 12 Pro can create better portrait photos with background blur.
Macro Camera2MP, f/2.35MP, f/2.4Both take macro shots but the Redmi has higher resolution for slightly more detail.
Video1080p@30fps4K@30fps, 1080p@60fpsRedmi Note 12 Pro can record much higher-quality videos with 4K support.
Battery Life
Capacity5000mAh5020mAhSimilar battery capacities mean similar battery life for general usage.
ChargingLi-Ion67W Fast Charging, Li-PolymerRedmi Note 12 Pro charges much faster, getting you back to full power in a fraction of the time.
FeaturesNon-removableReverse Charging, Non-removableRedmi Note 12 Pro can reverse-charge other devices with a cable.
Software
OSAndroid 11 (Upgradable to 12)Android 12Redmi has a more up to date OS out of the box.
Connectivity
WiFi802.11b/g/n802.11a/b/g/n/acRedmi Note 12 Pro supports faster dual-band WiFi.
Bluetooth5.05.1Redmi Note 12 Pro has a slightly more recent version of Bluetooth.
GPSGPS, A-GPS, GLONASSGPS, A-GPS, GLONASS, Beidou, GalileoRedmi Note 12 Pro offers better location accuracy.
Storage & Memory
Internal Storage32GB or 64GB128GB or 256GBRedmi Note 12 Pro offers much more internal storage.
RAM3GB or 4GB6GB or 8GBRedmi Note 12 Pro has considerably more RAM, improving multitasking and gaming.
Expandable StorageNoNoNeither phone offers expandable storage.
Audio
QualityBasicHi-Res Audio, Stereo SpeakersRedmi Note 12 Pro offers much better audio quality and immersive experience.
Security
Featuresside-mounted fingerprint sensorside-mounted fingerprint sensorBoth phones have similar fingerprint sensor technology.
Build Quality
ProtectionUnknownCorning Gorilla Glass 5Redmi Note 12 Pro has a more robust display protection.
Sensors
SensorsFingerprint, Proximity, AccelerometerFingerprint, Accelerometer, Compass, Gyroscope, Ultrasonic ProximityRedmi Note 12 Pro has a more comprehensive sensor suite.

2. Key Insights

  • Samsung Galaxy A03s Strengths:

    • Lightweight: The A03s is slightly lighter, which can be comfortable for those who prefer a lighter phone.
    • Price: Generally, the A03s is a budget-friendly option.
  • Xiaomi Redmi Note 12 Pro 4G Strengths:

    • Superior Display: The AMOLED panel, higher resolution, 120Hz refresh rate, and high brightness make the viewing experience significantly better.
    • Much Faster Performance: The Snapdragon 732G chipset provides a huge boost in speed for daily use and gaming.
    • Better Camera System: The 108MP main camera, wide-angle lens, and 4K video recording offer a far more versatile photography experience.
    • Faster Charging: The 67W fast charging is a game-changer, getting you back to full power quickly.
    • Better Audio The addition of Hi-Res Audio and Stereo Speakers will provide much better sound quality.
    • More Storage and RAM: More storage space and RAM for a smoother, less congested experience.
    • More Sensors: The Redmi Note 12 Pro 4G has a much more comprehensive sensor suite.
  • Trade-offs and Limitations:

    • A03s: The biggest drawbacks are its slow performance, low-resolution display, basic camera system, and lack of fast charging.
    • Redmi Note 12 Pro 4G: It is slightly heavier, which is a minor trade-off given its feature set, but comes at a higher price than the A03s.

3. User Profiles and Recommendations

  • Samsung Galaxy A03s:

    • Best For: Users on a very tight budget who need a basic phone for calls, texts, and very light social media use. This phone is also suitable for those who prioritize a lighter phone.
    • Use Cases: Simple browsing, basic apps, and use as a secondary phone.
    • Recommendation: If your priority is just a basic phone and budget is your main concern, the A03s could be considered, but know that the experience will feel slow compared to modern phones.
  • Xiaomi Redmi Note 12 Pro 4G:

    • Best For: Users who want a great all-around phone that offers a premium display, good performance, and a versatile camera system, at a competitive mid-range price.
    • Use Cases: Social media, gaming, photography, media consumption, and productivity.
    • Recommendation: This is a fantastic option for anyone who wants a feature-rich phone at a reasonable price point. It is ideal for users who value a smooth and responsive experience.

4. Buying Decision Framework

Here are three questions to help guide your decision:

  1. What is my primary use case? If it's basic communication and you're extremely budget-conscious, the A03s could work. But for anything more, the Redmi Note 12 Pro is the better choice by a significant margin.
  2. How much does display quality matter to me? If you watch a lot of videos, play games, or scroll through social media, the Redmi Note 12 Pro's superior AMOLED display will be a noticeable upgrade.
  3. How important is performance and speed? If you want fast app loading, smooth multitasking, and decent gaming performance, the Redmi Note 12 Pro is far better than the A03s, which will feel slow in comparison.

Scenario-Based Recommendations:

  • Budget User: Choose the Samsung A03s if you're purely looking for the cheapest option and don't mind basic performance, but understand the limitations.
  • Casual User: The Redmi Note 12 Pro 4G is the clear winner, providing a much more satisfying daily experience.
  • Tech Enthusiast: The Redmi Note 12 Pro 4G is the obvious choice, delivering a far better display, faster performance, better cameras, and a superior feature set.

Conclusion and Personal Choice:

If I were choosing between these two phones, I would definitely go with the Xiaomi Redmi Note 12 Pro 4G. The difference in overall experience would be night and day. The superior display alone, with its vibrant AMOLED panel and 120Hz refresh rate, makes the Redmi a clear winner. Add to that the significantly faster performance thanks to the Snapdragon chip, the vastly improved camera system, the extremely useful fast charging and the far more comprehensive set of features and the Redmi is a clear victor. The A03s would simply feel too slow and outdated for my needs, whereas the Redmi Note 12 Pro 4G offers so much performance and features at a competitive price, it would be my clear recommendation.

Alex Griffin
Alex Griffin

Technology analyst specializing in mobile devices and consumer electronics.

Core Expertise

  • Mobile technology analysis
  • Consumer electronics evaluation
  • Technical specification interpretation
  • User experience insights

Professional Mission Empowering readers to make informed technology decisions by transforming intricate specifications into understandable, practical guidance.

Demystifying technology, one device at a time.