Samsung Galaxy A02s vs Xiaomi Redmi 12 5G - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date January 4, 2021 August 4, 2023
Release Year 2021 2023

Physical

Volume 113.41 cm³ 105.49 cm³
Screen Size to Weight Ratio 3.32 "/g 3.41 "/g
Weight 196 g 199 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
  • Red
  • Blue
  • White
  • Moonstone Silver
  • Jade Black
  • Pastel Blue

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 550 nits
HBM Brightness N/A N/A
Peak Brightness N/A N/A

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 No No
Chipset Qualcomm SDM450 Snapdragon 450 (14 nm) Qualcomm SM4450 Snapdragon 4 Gen 2 (4 nm)
CPU Octa-core 1.8 GHz Cortex-A53 Octa-core (2x2.2 GHz Cortex-A78 & 6x1.95 GHz Cortex-A55)
GPU Adreno 506 Adreno 613

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 10 13
Maximum OS Version 12 14

Comparison Summary

1. Specifications Comparison

Here's a detailed comparison of the Samsung Galaxy A02s and the Xiaomi Redmi 12 5G, focusing on practical implications:

Design

FeatureSamsung Galaxy A02sXiaomi Redmi 12 5GPractical Impact
Dimensions164.2 x 75.9 x 9.1 mm168.6 x 76.3 x 8.2 mmThe Redmi 12 5G is slightly taller and thinner, while the A02s is a bit thicker and has larger overall volume. The difference in size is minor and likely won't significantly impact usability.
Weight196g199gBoth are virtually identical in weight, so no noticeable difference in hand feel.
Build Quality (Screen Protection)UnknownCorning Gorilla Glass 3Redmi 12 5G offers better scratch and impact resistance for its display, which improves long-term durability.

Display

FeatureSamsung Galaxy A02sXiaomi Redmi 12 5GPractical Impact
Size6.5"6.79"Redmi 12 5G offers a slightly larger screen for more immersive viewing of videos and browsing.
Resolution720x16001080x2460The Redmi 12 5G has a significantly sharper display, resulting in clearer text and images.
PPI270396The higher pixel density on the Redmi 12 5G will result in a noticeably less pixelated display, with superior clarity.
TechnologyPLS LCDIPS LCDRedmi 12 5G's IPS LCD typically offers better viewing angles and color accuracy.
Refresh Rate60Hz90HzRedmi 12 5G's 90Hz refresh rate results in smoother scrolling and animations, making the user experience more fluid, especially during gaming.
Brightness0 nits0 nitsBoth phones' peak brightness is not specified, thus it is not possible to compare screen visibility in bright sunlight conditions.

Performance

FeatureSamsung Galaxy A02sXiaomi Redmi 12 5GPractical Impact
ChipsetQualcomm Snapdragon 450 (14 nm)Qualcomm Snapdragon 4 Gen 2 (4 nm)Redmi 12 5G's modern, more efficient 4nm chipset offers significantly better performance and battery life and will stay smooth for longer periods.
Antutu Score74,800456,552Redmi 12 5G performs much faster in all aspects, such as app loading, multitasking, and gaming.
GPUAdreno 506Adreno 613The Adreno 613 in the Redmi 12 5G offers superior graphics performance for gaming and other graphically intensive tasks.

Camera

FeatureSamsung Galaxy A02sXiaomi Redmi 12 5GPractical Impact
Main Camera Resolution13MP50MPRedmi 12 5G's main camera captures much higher detail and resolution.
Selfie Camera Resolution5MP5MPBoth have the same selfie camera resolution, but image quality can still vary based on sensors and software processing.
Portrait Mode (depth) Camera2MP2MPBoth phones offer a depth sensor for portrait mode photos with similar capabilities
Macro Lens2MPN/AGalaxy A02s has a dedicated macro camera for close-up shots. The Redmi 12 5G doesn't have a dedicated macro lens.
Video Recording1080p@30fps1080p@30fpsBoth phones record video at the same resolution and frame rate. Redmi 12 5G offers video stabilization
Slow-Motion VideoNoYes, 120fpsRedmi 12 5G can record slow-motion video, a feature not available on the A02s.
Video StabilizationNoYesRedmi 12 5G’s video stabilization feature ensures smoother video recordings.
DXOMark ScoreN/AMobile (63), Photo (57), Video (76)Redmi 12 5G has been tested and has an overall score of 63, with the video score being especially strong at 76, providing an objective measure of camera performance.
FeaturesDigital zoom, Triple camera, Autofocus, Touch focus, PDAF, Geotagging, Panorama, HDR, Face detection, ISO settings, Scene mode, Self-timerDigital zoom, Dual camera, Digital image stabilization, OIS, Autofocus, Touch focus, PDAF, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timerBoth phones have basic photography features. The Redmi 12 5G has an advantage with optical image stabilization (OIS), and white balance/exposure compensation settings.

Battery

FeatureSamsung Galaxy A02sXiaomi Redmi 12 5GPractical Impact
Capacity5000mAh5000mAhBoth have the same battery capacity, offering similar battery life.
Charging15W fast charging, Li-Ion18W fast charging, Li-PolymerThe Redmi 12 5G has faster charging, allowing a full charge in a shorter time. It also uses a more efficient Li-Polymer battery.
FeaturesNon-removableNon-removableBoth phones have non-removable batteries, which is standard for modern smartphones.

Storage

FeatureSamsung Galaxy A02sXiaomi Redmi 12 5GPractical Impact
Internal32 GB or 64 GB128 GB or 256 GBRedmi 12 5G offers significantly more internal storage for apps, photos, videos, etc.
RAM3 GB or 4 GB4 GB or 6 GB or 8 GBRedmi 12 5G generally offers better multitasking capabilities due to more RAM options.
Expandable StorageNoNoNeither phone has expandable storage, so the user is limited to the initial storage configuration.

Software and Connectivity

FeatureSamsung Galaxy A02sXiaomi Redmi 12 5GPractical Impact
OSAndroid 10 (max 12)Android 13 (max 14)Redmi 12 5G has a newer operating system, meaning longer support with updates.
Wi-Fi802.11b, g, n802.11a, b, g, n, acRedmi 12 5G supports newer Wi-Fi standards, which typically result in faster and more stable connections, and supports dual band connection.
Bluetooth4.2 LE5.0 LERedmi 12 5G uses a newer Bluetooth version which may offer better connection stability and speed.
GPSGPS, A-GPS, GLONASS, Beidou, GalileoGPS, A-GPS, GLONASS, BeidouBoth offer accurate location tracking; however, the A02s supports Galileo.
SIMDual SIM (Nano)Dual SIM (Nano)Both support Dual SIMs with dual standby.
SecurityBasic Security FeaturesSide-mounted fingerprint sensorRedmi 12 5G has the added benefit of a biometric fingerprint sensor.
SensorsProximity, AccelerometerFingerprint, Accelerometer, Compass, Ultrasonic proximity virtualRedmi 12 5G has more sensors providing more features for various use cases.

2. Key Differences Analysis

Advantages of Xiaomi Redmi 12 5G:

  • Significantly Superior Performance: The Snapdragon 4 Gen 2 chipset delivers much faster speeds, resulting in smoother multitasking, gaming, and overall use compared to the A02s.
  • Higher Resolution Display: The higher resolution and pixel density, combined with the IPS LCD technology, provides a much better visual experience, especially for media consumption.
  • Smoother Animations: The 90Hz refresh rate significantly improves the fluidity of the user interface.
  • Better Camera Quality: Higher main camera resolution and video stabilization, as well as higher DXOmark scores, result in superior photo and video capture capabilities.
  • Faster Charging: 18W fast charging vs 15W on the A02s.
  • More Storage and RAM: Comes with double or quadruple the storage and higher RAM options.
  • Newer OS: Android 13, and a potential upgrade to Android 14, provides access to newer features and security updates.
  • Advanced Connectivity: Supports more Wi-Fi standards (802.11ac) and a newer version of Bluetooth (5.0).
  • Added Security: Features a side-mounted fingerprint sensor for more security.

Advantages of Samsung Galaxy A02s:

  • Macro Lens: Has a dedicated macro lens for taking detailed close-up photos.
  • More GPS systems: Supports Galileo GPS system.
  • Triple Camera: Uses a triple camera configuration.

Trade-offs:

  • A02s: The primary trade-off is that it offers lower performance, a lower-resolution display, and a weaker camera compared to the Redmi 12 5G.
  • Redmi 12 5G: Lacks the macro lens offered by the A02s.

3. User Profiles & Recommendations

Samsung Galaxy A02s Ideal User:

  • Budget-conscious users who prioritize basic smartphone functions over high performance.
  • Users with very light usage patterns such as casual social media browsing, texting, or very light tasks.
  • Users that prefer triple camera configurations.

Use Cases for Galaxy A02s:

  • Basic communication (calls, texts).
  • Simple web browsing and social media.
  • Very occasional photography and macro closeups.

Xiaomi Redmi 12 5G Ideal User:

  • Users seeking good performance and a smooth experience: Those who want fast app loading, seamless multitasking, and better gaming capabilities.
  • Media consumers: Users who regularly watch videos, play games, and browse through high-resolution content.
  • Users who want a capable camera: Those who desire higher resolution photos, better video quality, and additional features like video stabilization.
  • Users that prefer a more secure device with a fingerprint sensor.

Use Cases for Redmi 12 5G:

  • Demanding applications (social media, editing).
  • Gaming with better graphics and frame rates.
  • High-quality photography and videography.
  • Smooth and enjoyable experience when scrolling.

Price-to-Value Ratio:

  • Considering that the Redmi 12 5G offers superior performance, display, camera and additional features, it provides a much better price-to-value ratio.

4. Decision Framework

Key Questions for Buyers:

  1. How important is performance and fluidity? If a lag-free, fast experience is vital, the Redmi 12 5G is superior.
  2. What is the primary use of the phone? For basic tasks, the A02s is sufficient, but for media consumption and gaming, the Redmi 12 5G is better.
  3. What is the desired level of camera quality? If you prioritize photo and video quality, the Redmi 12 5G has better quality and more features.

Scenario-Based Recommendations:

  • Scenario 1: User needs a very basic phone for calls and texts. The Samsung Galaxy A02s is sufficient for the absolute bare minimum needs.
  • Scenario 2: User wants a phone for regular social media and video streaming on a budget. The Xiaomi Redmi 12 5G offers a much smoother and more enjoyable experience for a similar price, with superior display and faster processor.
  • Scenario 3: User plays games and takes lots of photos. The Xiaomi Redmi 12 5G is the clear winner with its superior performance, graphics capabilities, camera features, and better image quality.

Recommendation

I would choose the Xiaomi Redmi 12 5G. Despite the A02s having a macro lens, the Redmi 12 5G is superior in almost every other way that is important to me. It has a much better display, significantly faster performance, a superior main camera with higher resolution and video stabilization, faster charging, and a more modern operating system. While the A02s is suitable for absolute basic use, the Redmi 12 5G provides a much more compelling experience overall, and offers far better value for the price for everyday use. The lack of expandable storage and the macro lens are unfortunate, but the benefits of the 12 5G significantly outweigh these drawbacks.

Emily Harper
Emily Harper

Technology Insights Specialist

Dedicated technology writer specializing in mobile device analysis and technology communication. Expert at translating complex smartphone features into clear, actionable insights for diverse audiences.

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  • Mobile technology analysis
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Bridging technical complexity with engaging, accessible narratives.