Samsung Galaxy A02s vs Xiaomi Redmi A3 - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date January 4, 2021 February 23, 2024
Release Year 2021 2024

Physical

Volume 113.41 cm³ 106.58 cm³
Screen Size to Weight Ratio 3.32 "/g 3.48 "/g
Weight 196 g 193 g
Height 164.2 mm 168.3 mm
Width 75.9 mm 76.3 mm
Thickness 9.1 mm 8.3 mm
Foldable Design No No
Available Colors
  • Black
  • Red
  • Blue
  • White
  • Midnight Black
  • Forest Green (Olive Green)
  • Star Blue (Lake Blue)

Display

Screen Size 6.5 " 6.71 "
Resolution 720 x 1600 720 x 1650
Aspect Ratio 20:9 21:9
Screen-to-Body Ratio 81.8 % 82.9 %
Pixel Density 270 PPI 268 PPI
Refresh Rate N/A 90 Hz
Typical Brightness N/A N/A
HBM Brightness N/A 500 nits
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 118.34 mAh/in² 111.05 mAh/in²
Battery Density 44.09 mAh/cm³ 46.91 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support No Yes
Chipset Qualcomm SDM450 Snapdragon 450 (14 nm) Mediatek Helio G36 (12 nm)
CPU Octa-core 1.8 GHz Cortex-A53 Octa-core (4x2.2 GHz Cortex-A53 & 4x1.6 GHz Cortex-A53)
GPU Adreno 506 PowerVR GE8320

Connectivity

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

Software

Operating System Android Android
Initial OS Version 10 14
Maximum OS Version 12

Comparison Summary

1. Specifications Comparison

FeatureSamsung Galaxy A02sXiaomi Redmi A3Practical Impact
Design
Dimensions164.2 × 75.9 × 9.1 mm168.3 × 76.3 × 8.3 mmRedmi A3 is taller and slightly thinner, A02s is a bit more compact. A3 might feel slightly larger in the hand.
Weight196g193gNegligible difference; both phones are similarly weighted.
Build MaterialNot specifiedCorning Gorilla Glass 3 (screen)Redmi A3's screen is more resistant to scratches and minor impacts, making it more durable over time.
Display
Size6.5"6.71"Redmi A3 provides a slightly larger viewing area, potentially better for media consumption and gaming.
Resolution720x1600720x1650Both have similar sharpness, difference is minimal.
PPI270268Similar pixel density, no noticeable difference in clarity.
TechnologyPLS LCDIPS LCDRedmi A3 offers potentially better viewing angles and color accuracy due to IPS technology.
Refresh Rate60Hz90HzRedmi A3 will feel smoother during scrolling and animations, making the UI experience more fluid.
Brightness0 nits0 nitsUnable to determine screen brightness. This is a crucial spec that would impact readability in bright environments.
Performance
ChipsetQualcomm SDM450 (14nm)Mediatek Helio G36 (12nm)Redmi A3's chipset is newer and more efficient, leading to better overall performance.
AnTuTu Score74,800127,000Redmi A3 is significantly faster for everyday tasks, multitasking, and gaming.
GPUAdreno 506PowerVR GE8320Redmi A3's GPU offers significantly better graphics performance.
Camera
Main Camera13MP, f/1.88MP, f/2.0A02s has higher resolution and wider aperture, potentially leading to better low-light performance and more detailed photos.
Selfie Camera5MP, f/2.25MP, f/2.2Both have comparable selfie camera performance.
Portrait Mode2MP, f/2.4 (Depth)Not AvailableA02s can capture depth information for portrait mode and creates a bokeh effect
Macro Lens2MP, f/2.4Not AvailableA02s offers a dedicated macro lens for close-up shots.
Video1080p@30fps1080p@30fpsBoth can record video up to 1080p, suitable for standard social media.
DXOMark ScoreNot AvailableOverall: 45, Photo: 53, Video: 37Redmi A3's camera has been tested and benchmarked in these categories.
Camera FeaturesTriple, PDAF, Various ModesDual Camera, Various Modes, Manual ModeA02s offers a triple camera system and PDAF for faster focusing. Redmi A3 offers manual camera controls
Battery
Capacity5000mAh5000mAhBoth have the same battery capacity, so expect similar battery life.
Charging15W Fast Charging10W Fast ChargingA02s will charge faster compared to Redmi A3.
Software
OSAndroid 10, Upgradable to 12Android 14Redmi A3 has a newer OS, which provides better performance and security.
Connectivity
Wi-Fi802.11 b/g/n802.11 a/b/g/n/acRedmi A3 supports 5GHz Wi-Fi, providing faster and more stable Wi-Fi connections.
Bluetooth4.2 LE5.3 LERedmi A3 has better Bluetooth connectivity.
GPSGPS, A-GPS, GLONASS, Beidou, GalileoGPS, A-GPS, GLONASS, BeidouA02s supports more GPS satellites, which provides better location accuracy in some areas.
SIMDual SIM, Nano SIMDual SIM, Nano SIMBoth support dual sim capabilities, allowing use of two phone numbers in the same device.
Storage
Internal32GB/64GB64GB/128GBRedmi A3 offers more storage at its base option and a higher storage option, which is better for storing more files, apps and media.
RAM3GB/4GB3GB/4GB/6GBRedmi A3 has the option of more RAM, which will ensure smoother multitasking and better app performance.
Expandable StorageNoNoNeither phone offers memory card slot.
AudioBasic Audio FeaturesBasic Audio FeaturesBoth phones have basic audio features.
SecurityBasic Security FeaturesSide-mounted fingerprint sensorRedmi A3 has a fingerprint sensor for quick and secure unlocking.
SensorsProximity, AccelerometerAccelerometer, Ultrasonic ProximityBoth have essential sensors, A02s has Proximity while Redmi A3 has Ultrasonic proximity virtual sensor.

2. Key Differences Analysis

Samsung Galaxy A02s Advantages:

  • Triple Camera System: Includes a dedicated depth and macro lens, offering more versatility in photography.
  • Wider Main Camera Aperture: f/1.8 aperture captures more light, potentially better in low-light conditions.
  • Faster Charging: 15W charging is faster than Redmi A3's 10W, allowing for quicker battery refills.
  • GPS: Includes Galileo support for potentially more accurate location tracking.

Xiaomi Redmi A3 Advantages:

  • Newer Chipset & Significantly Better Performance: Helio G36 scores far higher than the Snapdragon 450, providing faster app loading, better multitasking, and smoother gaming.
  • Higher Refresh Rate Display: 90Hz refresh rate makes scrolling and animations feel smoother.
  • Larger Display: 6.71" screen is slightly larger, better for media and gaming.
  • More RAM: Option for 6GB of RAM for improved multitasking.
  • Newer OS: Ships with Android 14, providing the latest features, security patches and performance improvements.
  • Better Wi-Fi Support: Supports faster 5GHz Wi-Fi connections for better browsing and downloading speeds.
  • Better Bluetooth Support: Newer Bluetooth version with EDR, SBC and AAC.
  • Fingerprint Sensor: Adds quick and secure biometric unlocking.
  • Corning Gorilla Glass 3: Better screen protection for higher durability.
  • More Internal Storage: Higher storage options at the base model and overall for storing more media.

Trade-offs:

  • A02s: Better camera versatility (macro and depth sensor) and faster charging but slower overall performance.
  • Redmi A3: Faster performance, smoother display, more storage, and a fingerprint sensor, but less versatile camera and slightly slower charging.

3. User Profiles & Recommendations

Samsung Galaxy A02s Ideal User:

  • Budget-conscious buyers: Those who need a basic smartphone with some extra camera features.
  • Occasional photographers: Users who want basic photography features including macro and depth mode.
  • Users who prioritize battery charging time: Need a phone that charges faster than average.
  • Users comfortable with older software: Do not need the latest OS and are happy with older versions.
  • Users who don't need high performance: For basic use such as calling, browsing, and using social media apps.

Xiaomi Redmi A3 Ideal User:

  • Performance-oriented budget buyers: Those who need smooth performance and a decent experience at an affordable price.
  • Media consumers: Users who enjoy watching videos or playing games on their phone.
  • Modern Software Users: Desire a phone with latest OS with security updates.
  • Users who value screen smoothness: Who like their phone to feel responsive and smooth.
  • Security-conscious users: Prefer the security of a fingerprint sensor for quick unlocking.
  • Users needing more storage: Who use their phone a lot and want to be able to store many media files.

Specific Use Cases:

  • Samsung Galaxy A02s: Great for everyday use with basic photography, quick charging and decent battery life.
  • Xiaomi Redmi A3: Ideal for users who need good performance for everyday tasks, better gaming performance, and a smooth display experience.

Price-to-Value Ratio: The Xiaomi Redmi A3 offers a significantly better value due to its superior performance, screen, OS, and additional features like the fingerprint sensor. It delivers a much better user experience for a budget phone.

4. Decision Framework

Key Questions to Consider:

  1. What is your primary use case? (Basic use, media consumption, gaming, photography, etc.)
  2. How important is performance and smooth animations to you? (Does the phone need to feel fast and responsive?)
  3. What's your budget? (Are you happy to spend slightly more for a better all-round device?)

Scenario-Based Recommendations:

  • Scenario 1 (Basic Use): If you primarily use your phone for calls, messaging, and light browsing, the Samsung Galaxy A02s is suitable, but the Xiaomi Redmi A3 is still recommended due to its better performance and more modern features.
  • Scenario 2 (Media & Light Gaming): The Xiaomi Redmi A3 is the clear winner due to its better display, smoother refresh rate, and faster performance.
  • Scenario 3 (Photography): If macro and portrait photography are a priority, the Samsung Galaxy A02s is preferable, however, overall camera quality of Redmi A3 might be better.
  • Scenario 4 (Budget-Conscious): Although the A02s might be cheaper, the Redmi A3 provides significantly better value for the money.

My Choice

I would choose the Xiaomi Redmi A3.

Reasoning:

While the Samsung Galaxy A02s offers some benefits like a macro lens, dedicated depth sensor and slightly faster charging, the Xiaomi Redmi A3's advantages are much more impactful for the overall user experience. The significantly better performance due to the newer chipset and higher AnTuTu score makes a tangible difference in day-to-day use, resulting in a much smoother and more responsive experience. The Redmi A3's 90Hz display is also very important for a better user experience, making all actions and animations look fluid. Additionally, the modern Android 14 OS, larger storage options and a fingerprint sensor all outweigh the small camera versatility trade-off of the A02s. The Redmi A3 is a much better balanced device with a focus on performance and usability, which I think is most important in a budget smartphone.

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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