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

Detailed Comparison

Specification

General

Launch Date August 18, 2021 March 30, 2023
Release Year 2021 2023

Physical

Volume 113.41 cm³ 99.49 cm³
Screen Size to Weight Ratio 3.32 "/g 3.63 "/g
Weight 196 g 183.5 g
Height 164.2 mm 165.7 mm
Width 75.9 mm 76 mm
Thickness 9.1 mm 7.9 mm
Foldable Design No No
Available Colors
  • Black
  • Blue
  • White
  • Ice Blue
  • Mint Green
  • Onyx Gray

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 % 85.3 %
Pixel Density 270 PPI 395 PPI
Refresh Rate N/A 120 Hz
Typical Brightness N/A 450 nits
HBM Brightness N/A 700 nits
Peak Brightness N/A 1200 nits

Hardware

Battery Capacity per Screen Area 118.34 mAh/in² 112.39 mAh/in²
Battery Density 44.09 mAh/cm³ 50.26 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support Yes Yes
Chipset Mediatek MT6765 Helio P35 (12 nm) Qualcomm SM6225 Snapdragon 685 (6 nm)
CPU Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) Octa-core (4x2.8 GHz Cortex-A73 & 4x1.9 GHz Cortex-A53)
GPU PowerVR GE8320 Adreno 610

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 13
Maximum OS Version 12 14

Comparison Summary

Alright, let's dive into a head-to-head comparison of the Samsung Galaxy A03s and the Xiaomi Redmi Note 12 4G. These two smartphones are battling it out in the budget-friendly arena, but they have very different approaches to delivering value. I’m going to break down the specs, share my insights, and help you figure out which one might be right for you.

1. Specifications Breakdown

Here's a detailed look at how these phones stack up on paper, and, more importantly, what that means for your daily usage:

FeatureSamsung Galaxy A03sXiaomi Redmi Note 12 4GReal-World Implications
Design
Dimensions164.2 x 75.9 x 9.1 mm, 196g165.7 x 76 x 7.9 mm, 183.5gThe Redmi Note 12 4G is slightly taller and much thinner, feeling more modern and a tad lighter. The A03s is a bit bulkier.
Build QualityUnknown Screen ProtectionCorning Gorilla Glass 3Redmi Note 12 4G likely has better scratch resistance
Display
Size6.5"6.67"Redmi Note 12 4G offers a slightly larger viewing area, good for media consumption.
Resolution720x16001080x2400Redmi Note 12 4G has much sharper visuals, making text clearer and images more detailed.
Pixel Density (PPI)270395The higher PPI of the Redmi Note 12 4G results in a noticeably clearer and crispier display.
TechnologyPLS LCDAMOLEDThe AMOLED panel in the Redmi Note 12 4G provides deeper blacks, richer colours, and is generally more vibrant.
Refresh Rate60Hz120HzThe Redmi Note 12 4G delivers smoother scrolling and animations, enhancing the overall experience.
Brightness0 nits1200 nitsRedmi Note 12 4G has a much brighter display, making it easier to use outdoors in sunlight.
Performance
ChipsetMediaTek Helio P35 (12 nm)Snapdragon 685 (6 nm)Redmi Note 12 4G's chipset is significantly more powerful, leading to faster app launches, better multitasking, and smoother gaming.
AnTuTu Score117,049338,900The Redmi Note 12 4G will feel much snappier in day-to-day tasks and will handle demanding apps and games much better.
GPUPowerVR GE8320Adreno 610The Adreno 610 in the Redmi Note 12 4G provides superior graphics performance for gaming and video playback.
Camera
Main Camera13MP, f/2.250MP, f/1.8, 1/2.76" Sensor, 0.64µm PixelsRedmi Note 12 4G’s camera captures more detail and performs better in low light due to a larger sensor and aperture.
Selfie Camera5MP, f/2.013MP, f/2.45, 1.12µm PixelsRedmi Note 12 4G has higher resolution.
Wide Angle CameraNone8MP, f/2.2, 1/4" Sensor, 1.12µm PixelsThe Redmi Note 12 4G offers more versatility with its wide-angle lens.
Macro Camera2MP, f/2.32MP, f/2.4Both are basic, but the A03s is slightly better, with a wider aperture.
Video Recording1080p@30fps1080p@30fpsBoth phones offer standard 1080p recording.
DxoMark ScoreN/AOverall: 63, Photo: 54, Video: 66Redmi Note 12 4G has an overall better rated camera.
FeaturesContinuous shooting, PanoramaDigital image stabilizationThe A03s has slightly more camera modes, while the Redmi Note 12 4G has a digital image stabilization for clearer videos.
Battery Life
Capacity5000mAh5000mAhBoth phones have the same battery capacity, offering a full day of typical use.
ChargingLi-Ion33W Fast Charging, Li-PolymerRedmi Note 12 4G charges significantly faster, reducing the time spent plugged in.
FeaturesNon-removableReverse charging, Non-removableRedmi Note 12 4G provides an additional feature for charging other devices.
Software
OSAndroid 11, max version 12Android 13, max version 14Redmi Note 12 4G ships with a more recent OS, guaranteeing access to the latest features and updates for longer.
Connectivity
WiFi802.11b/g/n802.11a/b/g/n/acRedmi Note 12 4G supports faster dual-band Wi-Fi for better range and speed, as well as newer standard.
Bluetooth5.0 LE5.0 LE, EDR, HIDRedmi Note 12 4G has additional connectivity options.
GPSGPS, A-GPS, GLONASSGPS, A-GPS, GLONASS, Beidou, GalileoRedmi Note 12 4G offers more accurate location tracking with additional satellite systems.
SIMDual SIM (Nano)Dual SIM (Nano)Both phones support two SIM cards.
Storage
Internal Storage32GB/64GB64GB/128GB/256GBRedmi Note 12 4G offers much more storage options.
RAM3GB/4GB4GB/6GB/8GBRedmi Note 12 4G provides options for smoother multitasking and improved app performance.
Expandable StorageNot expandableNot expandableNeither device has expandable storage.
Audio
QualityBasic audio featuresBasic audio featuresBoth phones provide a standard audio experience.
Security
FeaturesSide-mounted fingerprint sensorSide-mounted fingerprint sensorBoth phones offer standard fingerprint security.
Sensors
SensorsFingerprint, Proximity, AccelerometerFingerprint, Proximity, Accelerometer, Compass, GyroscopeRedmi Note 12 4G has additional sensors for enhanced features, like compass and Gyroscope for better gaming and AR experiences.

2. Key Insights

Samsung Galaxy A03s:

  • Strengths:
    • More affordable option.
    • Decent battery life.
    • Has a slightly wider aperture for its macro camera
    • Features like continuous shooting, Panorama
  • Limitations:
    • Lower-resolution display.
    • Slower processor.
    • Basic display technology.
    • Inferior camera system.
    • Older OS and fewer software updates.

Xiaomi Redmi Note 12 4G:

  • Strengths:
    • Significantly better display (AMOLED, higher resolution, 120Hz refresh rate, brightness).
    • More powerful processor.
    • Superior cameras with a wide-angle lens.
    • Faster charging.
    • More RAM, Storage options
    • More modern operating system.
    • Better overall connectivity.
    • Reverse charging.
    • Digital Image Stabilization.
    • Better build quality with Gorilla Glass protection.
  • Limitations:
    • May come with a higher price point.

3. User Profiles and Recommendations

  • Samsung Galaxy A03s:
    • Ideal For: Users on a very strict budget who need a basic smartphone for calls, texts, and light social media.
    • Use Cases: First smartphone for kids, backup phone, or for those who prioritize simplicity over high performance.
  • Xiaomi Redmi Note 12 4G:
    • Ideal For: Users who want a smooth, responsive experience, better camera quality, and an immersive viewing experience without breaking the bank.
    • Use Cases: Daily driver, media consumption, social media, photography, and moderate gaming.

4. Buying Decision Framework

Here are three questions to help you decide:

  1. What is your budget? If you're on a tight budget, the Galaxy A03s is more affordable. However, the Redmi Note 12 4G offers significant value for a slightly higher price.
  2. How important is display quality and performance? If you care about a vibrant, crisp display and smooth performance, the Redmi Note 12 4G is the clear winner.
  3. What are your priorities? If your priority is simple functionality at a low price, the A03s is sufficient. If you prioritize all-around performance, camera quality, and features, the Redmi Note 12 4G is the way to go.

Scenario-Based Recommendations:

  • For the Budget-Conscious Minimalist: The Samsung Galaxy A03s may be sufficient, but the additional performance benefits of the Redmi Note 12 4G make it better value if your budget allows.
  • For the Social Media Enthusiast: The Xiaomi Redmi Note 12 4G's higher resolution, better camera, and faster performance make it the better option for capturing and sharing content.
  • For the Everyday User: The Xiaomi Redmi Note 12 4G is the superior choice, offering a better experience in almost every aspect.

My Choice

If it were my money, I would absolutely go for the Xiaomi Redmi Note 12 4G. Here’s why:

  • The Display: The AMOLED screen with a 120Hz refresh rate is a game-changer in the budget category. It’s not just about specs; it’s about how much more enjoyable it makes using the phone every day.
  • The Performance: The Snapdragon 685 is far more capable than the Helio P35. It would lead to a much smoother user experience in daily use.
  • The Camera: I like the flexibility of having an ultra-wide lens, and the overall camera quality is significantly better. The main camera is a solid performer for everyday snapshots.
  • Future Proofing: A newer OS, better connectivity, and fast charging make the Redmi Note 12 4G a more future-proof device. I can see myself being happy using it for a couple of years.

While the Samsung Galaxy A03s is a decent entry-level device, the Redmi Note 12 4G offers too many advantages to ignore. The value proposition of the Redmi Note 12 4G just far exceeds what is offered by the Samsung Galaxy A03s. It's a better all-around device that offers a much smoother and enjoyable user experience. You're going to use this phone every day; it’s worth investing a little extra for the superior experience offered by the Xiaomi device.

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.