Samsung Galaxy A03s vs Xiaomi Redmi 12 - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date August 18, 2021 June 15, 2023
Release Year 2021 2023

Physical

Volume 113.41 cm³ 105.49 cm³
Screen Size to Weight Ratio 3.32 "/g 3.42 "/g
Weight 196 g 198.5 g
Height 164.2 mm 168.6 mm
Width 75.9 mm 76.3 mm
Thickness 9.1 mm 8.2 mm
Foldable Design No No
Available Colors
  • Black
  • Blue
  • White
  • Midnight Black
  • Polar Silver
  • Sky Blue
  • Moonstone Silver

Display

Screen Size 6.5 " 6.79 "
Resolution 720 x 1600 1080 x 2460
Aspect Ratio 20:9 21:9
Screen-to-Body Ratio 81.8 % 85.1 %
Pixel Density 270 PPI 396 PPI
Refresh Rate N/A 90 Hz
Typical Brightness N/A N/A
HBM Brightness N/A N/A
Peak Brightness N/A 550 nits

Hardware

Battery Capacity per Screen Area 118.34 mAh/in² 108.45 mAh/in²
Battery Density 44.09 mAh/cm³ 47.4 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support Yes Yes
Chipset Mediatek MT6765 Helio P35 (12 nm) Mediatek MT6769H Helio G88 (12 nm)
CPU Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU PowerVR GE8320 Mali-G52 MC2

Connectivity

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

Software

Operating System Android Android
Initial OS Version 11 13
Maximum OS Version 12 14

Comparison Summary

Alright, let's dive into a detailed comparison of the Samsung Galaxy A03s and the Xiaomi Redmi 12. These two budget-friendly contenders have some interesting differences that impact the user experience. I'll break it down to help you decide which one is right for you.

1. Specifications Breakdown

FeatureSamsung Galaxy A03sXiaomi Redmi 12Real-World Implications
Design
Launch Date2021-08-182023-06-15Redmi 12 is much newer, potentially with longer software support.
Dimensions (mm)164.2 x 75.9 x 9.1168.6 x 76.3 x 8.2Redmi 12 is taller and thinner; A03s slightly bulkier, with minimal difference in width.
Weight (g)196198.5Both are quite similar in weight.
Display
Size (inches)6.56.79Redmi 12 offers a slightly larger viewing area, better for media consumption.
Resolution720 x 16001080 x 2460Redmi 12 has a significantly sharper display with more detail.
Pixel Density (PPI)270396Redmi 12’s higher PPI means noticeably crisper text and images.
TechnologyPLS LCDIPS LCDIPS LCD on the Redmi 12 should offer better viewing angles and color accuracy.
Refresh Rate60Hz90HzRedmi 12 has smoother scrolling and animations.
Brightness (nits)00Both phones appear to have limited peak brightness, not ideal for outdoor visibility under bright sunlight.
Performance
ChipsetMediatek Helio P35Mediatek Helio G88Redmi 12's G88 chipset is considerably more powerful, providing smoother performance and better gaming.
AnTuTu Score117,049249,400Redmi 12 is over twice as fast, resulting in quicker app loading and better multitasking.
GPUPowerVR GE8320Mali-G52 MC2Redmi 12's Mali GPU is more capable for graphic-intensive apps and games.
Camera
Main Camera (MP)13 (f/2.2)50 (f/1.8)Redmi 12’s higher resolution sensor captures more detail and works better in low light with wider aperture.
Selfie Camera (MP)5 (f/2.0)8 (f/2.1)Redmi 12 should produce sharper and higher quality selfie photos.
Wide Angle LensNone8MP (f/2.2)Redmi 12's wide-angle lens lets you capture broader scenes in your photos.
Macro Lens2MP (f/2.3)2MP (f/2.4)Macro cameras on both are similar, more of a convenience feature than a high-end offering.
Video Recording1080p@30fps, No Slow-motion1080p@30fps, 120fps Slow-motionRedmi 12 has a significant edge with its slow-motion video feature.
Camera FeaturesDigital zoom, Triple camera, Autofocus, Touch focus, Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer4K Video, Digital zoom, Triple camera, Digital image stabilization, Autofocus, Touch focus, Continuous shooting, Geotagging, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, RAWRedmi 12's 4K and RAW support is for photo enthusiast; its video stabilization is for smoother videos; A03s offers panorama mode.
Battery Life
Capacity (mAh)50005000Both should offer similar battery endurance with average use.
ChargingLi-Ion18W fast charging, Li-PolymerRedmi 12’s fast charging is a game-changer, significantly reducing charge times.
Battery FeaturesNon-removableReverse charging, Non-removable, 9W reverse wired chargingRedmi 12 can act as a power bank for other devices; both have non-removable batteries.
Software
Operating SystemAndroid 11 (upgradable to 12)Android 13 (upgradable to 14)Redmi 12 has a newer OS and will receive newer updates for longer.
Connectivity
Wi-Fi802.11b/g/n, Hotspot802.11a/b/g/n/ac, Dual band, Hotspot, Direct, DisplayRedmi 12 has better Wi-Fi capabilities with Dual-Band and Wi-Fi Display support.
Bluetooth5.0, LE, A2DP5.3, LE, A2DP, APT-xRedmi 12 has a newer version with better features.
GPSGPS, A-GPS, GLONASSGPS, A-GPS, GLONASS, Beidou, GalileoRedmi 12 supports more satellite systems for improved location accuracy.
SIMDual Nano, Dual StandbyDual Nano, Dual StandbyBoth support dual SIM usage with nano-SIM cards.
Storage
Internal32/64 GB128/256 GBRedmi 12 offers significantly more built-in storage.
RAM3/4 GB4/6/8 GBRedmi 12 has more RAM variants for improved multitasking.
Expandable StorageNoNoNeither offers expandable storage, so internal storage is key.
Other
AudioBasic FeaturesBasic FeaturesBoth have basic audio capabilities.
SecuritySide FingerprintSide FingerprintBoth offer side-mounted fingerprint sensors for secure access.
Build QualityUnknown Screen ProtectionUnknown Screen ProtectionBoth phones do not specify the kind of screen protection they have; it may or may not be a concern.
SensorsFingerprint, Accelerometer, ProximityFingerprint, Accelerometer, Compass, Gyroscope, Ultrasonic Virtual ProximityRedmi 12 has more sensors, offering advanced features and gaming.

2. Key Insights

Samsung Galaxy A03s Strengths:

  • Budget-Friendly: The A03s is designed to be a basic, affordable smartphone that covers the essentials.
  • Adequate Battery Life: With a 5000mAh battery, it provides good battery life for basic everyday tasks.
  • Simple Functionality: It runs Android 11 which provides access to the Play Store, enabling users to download apps.

Xiaomi Redmi 12 Strengths:

  • Superior Display: Larger, sharper, and smoother 90Hz refresh rate makes for a more pleasant viewing experience.
  • Faster Performance: The Helio G88 chipset provides much better processing and graphics power for smoother operation.
  • Enhanced Camera: Higher resolution sensors, a wide-angle lens, and better video features offer greater photography capabilities.
  • Faster Charging: 18W fast charging is a significant convenience, reducing charging downtime.
  • More Storage and RAM: With options for more storage and RAM, the Redmi 12 is better for multitasking and media.
  • Newer Software: Ships with a newer OS version and will receive updates for longer period.

Trade-Offs:

  • Samsung Galaxy A03s: Its older chipset, lower-resolution display, and basic camera are weak points, especially for anyone needing more power or a better visual experience.
  • Xiaomi Redmi 12: Lacks expandable storage. It may have a higher price than the A03s, but this is justified by its superior features.

3. User Profiles and Recommendations

Samsung Galaxy A03s is best for:

  • Basic Users: Those who need a simple, no-frills smartphone for calls, texts, and casual browsing.
  • First-Time Smartphone Users: A good starter option due to its ease of use and affordability.
  • Budget-Conscious Buyers: Those looking for a very basic phone without any performance demanding features.

Xiaomi Redmi 12 is best for:

  • Multimedia Consumers: Users who enjoy watching videos, playing games, and browsing social media.
  • Photography Enthusiasts (on a budget): Those wanting more camera features and better picture quality.
  • Multitaskers: Individuals who want a phone that can handle multiple apps without slowing down.
  • Users Needing Performance: It offers better and smoother performance for various apps.

4. Buying Decision Framework

Here are three questions to help you decide:

  1. How Important Is Performance and Smoothness?
    • If you need a phone that can handle demanding apps, games, and multitasking, the Redmi 12 is the clear winner.
    • If you need a device for very basic tasks, the Galaxy A03s might suffice.
  2. How Much Does Display Quality Matter to You?
    • If you prioritize screen resolution, sharpness, and a smoother scrolling experience, the Redmi 12 is the obvious choice.
    • If a basic display for simple tasks is enough, the Galaxy A03s might work.
  3. Do You Need Enhanced Camera Features?
    • If you want versatile camera features and better quality images, the Redmi 12 has the advantage with its higher resolution sensor, wide angle camera, and better video features.
    • If a very simple camera will do, the Galaxy A03s is adequate.

Scenario-Based Recommendations:

  • Scenario 1: A teenager who needs a phone for social media and gaming. Choose the Redmi 12 for its better display and smoother performance.
  • Scenario 2: A senior citizen who primarily uses a phone for calls and texts. The Galaxy A03s is a more affordable and basic option that will likely do the job.
  • Scenario 3: A user who loves taking photos and videos. The Redmi 12 will give you the best experience.

My Choice

If I were choosing between these two, I'd absolutely go with the Xiaomi Redmi 12. The difference in performance is significant—the Redmi 12 is much faster, offers a significantly better display, and has an enhanced camera. The jump in overall user experience you get with the Redmi 12 is worth the extra cost.

While the Samsung Galaxy A03s is a budget-friendly option for the most basic needs, the Redmi 12 offers a much better all-around experience. From the faster processing speeds and higher-quality display to the significantly better camera and fast charging capabilities, the Redmi 12 is a phone I would be much happier using day-to-day. The improved performance alone makes the Redmi 12 a superior choice for most users.

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.