Samsung Galaxy A02 vs Samsung Galaxy A04s - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date January 27, 2021 September 22, 2022
Release Year 2021 2022

Physical

Volume 113.27 cm³ 114.96 cm³
Screen Size to Weight Ratio 3.16 "/g 3.33 "/g
Weight 206 g 195 g
Height 164 mm 164.7 mm
Width 75.9 mm 76.7 mm
Thickness 9.1 mm 9.1 mm
Foldable Design No No
Available Colors
  • Black
  • Blue
  • Black
  • White
  • Green
  • Copper

Display

Screen Size 6.5 " 6.5 "
Resolution 720 x 1600 720 x 1600
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 81.9 % 80.7 %
Pixel Density 270 PPI 270 PPI
Refresh Rate N/A 90 Hz
Typical Brightness N/A N/A
HBM Brightness N/A N/A
Peak Brightness N/A 400 nits

Hardware

Battery Capacity per Screen Area 118.34 mAh/in² 118.34 mAh/in²
Battery Density 44.14 mAh/cm³ 43.5 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support No Yes
Chipset Mediatek MT6739W (28 nm) Exynos 850 (8 nm)
CPU Quad-core 1.5 GHz Cortex-A53 Octa-core (4x2.0 GHz Cortex-A55 & 4x2.0 GHz Cortex-A55)
GPU PowerVR GE8100 Mali-G52

Connectivity

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

Software

Operating System Android Android
Initial OS Version 10 12
Maximum OS Version 11 14

Comparison Summary

Smartphone Comparison: Samsung Galaxy A02 vs. Samsung Galaxy A04s

1. Specifications Comparison

FeatureSamsung Galaxy A02Samsung Galaxy A04sPractical Impact
Design
Dimensions164 × 75.9 × 9.1 mm164.7 × 76.7 × 9.1 mmNearly identical size; very minimal difference.
Weight206g195gA04s is slightly lighter, which may be noticeable during prolonged use
Display
Size6.5"6.5"Identical screen size for both phones
Resolution720x1600720x1600Similar sharpness; good for everyday use, not ideal for high-resolution content
Pixel Density270 PPI270 PPIIdentical sharpness; good for everyday use
TechnologyPLS LCDPLS LCDSimilar color reproduction and viewing angles
Refresh Rate60Hz90HzA04s offers smoother scrolling and animations
Brightness0 nits0 nitsPeak brightness is unknown, making it difficult to assess screen visibility under sunlight
Performance
ChipsetMediatek MT6739W (28 nm)Exynos 850 (8 nm)A04s's chip is significantly more powerful and energy-efficient. Expect faster app loading, better multitasking, and smoother gaming.
AnTuTu Score50,774117,300A04s has much better overall performance
GPUPowerVR GE8100Mali-G52A04s's GPU is more capable, especially for gaming and graphics-intensive tasks.
Camera
Main Camera Resolution13MP50MPA04s will capture much more detailed images with significantly higher resolution.
Main Camera Aperturef/1.9f/1.8A04s has a slightly wider aperture allowing for better low-light performance
Selfie Camera Resolution5MP5MPSimilar selfie resolution
Selfie Camera Aperturef/2.0f/2.2A02 has a slightly wider aperture allowing for better low-light performance in selfies
Portrait ModeNo2MP depth sensorA04s can create portrait style images with background blur
Macro Lens2MP2MPBoth devices have similar macro lens for close-up shots
Video Recording1080p@30fps1080p@30fpsBoth can record standard HD videos
Slow MotionNoYes (34 fps)A04s can record slow-motion video, adding creative options
Camera FeaturesDual Camera, Continuous Shooting, Panorama, White balance settings, ISO settings, Exposure compensationTriple Camera, Phase Detection AutofocusA02 has more manual controls, while the A04s has faster autofocus and a depth sensor.
Battery
Capacity5000mAh5000mAhSimilar battery life for both phones
Charging7.5W15WA04s charges significantly faster, reducing downtime
Software
OSAndroid 10 (upgradable to 11)Android 12 (upgradable to 14)A04s has a more modern operating system and will receive more updates
Connectivity
Wi-Fi802.11b/g/n802.11a/b/g/n/acA04s supports faster and more reliable Wi-Fi, including 5GHz networks.
Bluetooth4.2 LE5.0 LEA04s has a more stable connection with higher bandwidth, more efficient
GPSGPS, A-GPS, GLONASSGPS, A-GPS, GLONASS, Beidou, QZSS, GalileoA04s has more accurate GPS due to support for additional systems.
Storage
Internal32GB/64GB32GB/64GB/128GBA04s offers more storage options, potentially useful for storing more photos and videos.
RAM2GB/3GB/4GB3GB/4GBA04s has at least 3GB of ram
Expandable StorageNoNoBoth devices have no expandable storage, which limits storage options.
Audio
Audio QualityDolby AtmosBasicA02 offers slightly enhanced audio experience for media consumption
Security
Security FeaturesBasic Security featuresSide-mounted Fingerprint SensorA04s offers more convenient biometric authentication using a fingerprint sensor
Sensors
SensorsProximity, AccelerometerFingerprint, Accelerometer, Ultrasonic proximityA04s offers more advanced sensors

2. Key Differences Analysis

Samsung Galaxy A02 Advantages:

  • Dolby Atmos: Provides a slightly more immersive audio experience (although the practical difference may be subtle).

Samsung Galaxy A04s Advantages:

  • Significantly Better Performance: The Exynos 850 chip offers substantially better performance than the MT6739W, resulting in faster app launches, smoother multitasking, and more enjoyable gaming.
  • 90Hz Refresh Rate Display: Provides a smoother and more responsive user experience, especially when scrolling or navigating the UI.
  • Higher Resolution Main Camera: 50MP vs. 13MP, resulting in sharper and more detailed photos. The wider aperture also helps in low-light.
  • Dedicated Depth Sensor: Allows for portrait mode shots with a blurred background.
  • Faster Charging: 15W charging will significantly reduce the charging time compared to the 7.5W charging on the A02.
  • Newer Operating System: Comes with Android 12 out of the box and will receive more updates than the A02.
  • Better Connectivity: Supports dual-band Wi-Fi and newer Bluetooth, offering a more stable and faster wireless experience.
  • Fingerprint sensor: Enhanced security and convenience with the built in finger print sensor

Trade-offs:

  • A02 offers Dolby Atmos support
  • A02 offers some additional manual camera settings while A04s has better autofocus.

3. User Profiles & Recommendations

Samsung Galaxy A02 Ideal User:

  • Budget-Conscious Users: Those looking for a very basic smartphone at the lowest possible price.
  • Light Smartphone Users: Individuals who primarily use their phones for calling, messaging, and browsing social media or listen to music.
  • Basic Media Consumption: Individuals looking for the feature of Dolby Atmos.

Samsung Galaxy A04s Ideal User:

  • Users Seeking Performance on a Budget: Those who want smooth everyday performance without paying a premium.
  • Casual Gamers: Those who enjoy playing mobile games and want a device that can handle them smoothly.
  • Photography Enthusiasts on a Budget: Users who want to take decent photos and portraits with some creative flexibility, but don't need top-tier image quality.
  • Modern Operating System and Features: Users who want a device with the latest Android features and security.

Use Cases:

  • A02: A good secondary phone, a starter phone for elderly users, or for those who prioritize audio quality.
  • A04s: Daily driver, student phone for school and basic gaming, or as a reliable and affordable camera for social media posts.

Price-to-Value Ratio:

  • The A04s offers significantly more for the price, making it better value despite being a newer phone with potentially a higher price tag. The A02 is more of an entry-level, basic device, while the A04s offers mid-range performance.

4. Decision Framework

Key Questions for Buyers:

  1. What is my budget? If you are on an extremely strict budget, the A02 may seem like a good option; however, the A04s is a better value.
  2. What are my performance needs? If you need a smartphone that can handle multitasking, gaming, and apps smoothly, the A04s is the better option.
  3. How important is the camera quality and low light performance? If taking detailed photos and creative portraits is essential, the A04s has the superior camera setup with its 50MP main sensor, depth sensor, and wider aperture.

Scenario-Based Recommendations:

  • Scenario 1: Extremely tight budget, only calls/text/basic usage: A02 could work if your budget is extremely restricted, but be prepared for slower performance.
  • Scenario 2: Want smooth performance for everyday tasks and games: The A04s is the superior choice.
  • Scenario 3: Want the latest software with better security: The A04s has a newer operating system and has a fingerprint sensor.
  • Scenario 4: Want the best possible camera: The A04s is the better option with its main 50MP camera and depth sensor.

My Choice:

Given the specifications and practical implications, I would choose the Samsung Galaxy A04s. While the A02 has Dolby Atmos, the A04s offers significantly better all-around performance with its better chipset, higher refresh rate, superior camera, faster charging, newer OS, and better connectivity. The A04s offers a smoother and more responsive experience, making it the better choice for a daily driver and overall better value for money.

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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Bridging technical complexity with engaging, accessible narratives.