Samsung Galaxy A02 vs Samsung Galaxy A15 - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date January 27, 2021 December 16, 2023
Release Year 2021 2023

Physical

Volume 113.27 cm³ 103.28 cm³
Screen Size to Weight Ratio 3.16 "/g 3.25 "/g
Weight 206 g 200 g
Height 164 mm 160.1 mm
Width 75.9 mm 76.8 mm
Thickness 9.1 mm 8.4 mm
Foldable Design No No
Available Colors
  • Black
  • Blue
  • Brave Black
  • Optimistic Blue
  • Magical Blue
  • Personality Yellow

Display

Screen Size 6.5 " 6.5 "
Resolution 720 x 1600 1080 x 2340
Aspect Ratio 20:9 19.5:9
Screen-to-Body Ratio 81.9 % 84.3 %
Pixel Density 270 PPI 396 PPI
Refresh Rate N/A 90 Hz
Typical Brightness N/A N/A
HBM Brightness N/A 800 nits
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 118.34 mAh/in² 118.34 mAh/in²
Battery Density 44.14 mAh/cm³ 48.41 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support No Yes
Chipset Mediatek MT6739W (28 nm) Mediatek Helio G99 (6 nm)
CPU Quad-core 1.5 GHz Cortex-A53 Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU PowerVR GE8100 Mali-G57 MC2

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 14
Maximum OS Version 11 17

Comparison Summary

1. Specifications Comparison

Design

FeatureSamsung Galaxy A02Samsung Galaxy A15Practical Impact
Dimensions164 × 75.9 × 9.1 mm160.1 × 76.8 × 8.4 mmA02 is slightly taller and thicker, potentially feeling bulkier in hand. A15 is slightly wider but thinner, could be more pocketable.
Weight206g200gA15 is marginally lighter, less fatiguing during extended use. Difference is relatively small.

Display

FeatureSamsung Galaxy A02Samsung Galaxy A15Practical Impact
Size6.5"6.5"Both have the same screen size.
Resolution720x16001080x2340A15's higher resolution results in sharper text and images, better for media consumption.
Pixel Density (PPI)270396A15's higher pixel density provides a clearer, less pixelated display experience.
TechnologyPLS LCDAMOLEDA15 has deeper blacks, higher contrast, more vibrant colors and better viewing angles, superior image quality.
Refresh Rate60Hz90HzA15 offers smoother scrolling and animations, more fluid user interface.
Brightness0 nits800 nitsA15 is much more usable outdoors in bright sunlight due to higher brightness. A02's brightness not specified, possibly difficult to see in sunlight.

Performance

FeatureSamsung Galaxy A02Samsung Galaxy A15Practical Impact
ChipsetMediatek MT6739W (28 nm)Mediatek Helio G99 (6 nm)A15's newer chipset is much more powerful, faster, and more energy-efficient.
AnTuTu Score50,774442,500A15 is significantly faster for app loading, multitasking, and gaming.
GPUPowerVR GE8100Mali-G57 MC2A15 has a more powerful GPU, better gaming and graphics performance.

Camera

FeatureSamsung Galaxy A02Samsung Galaxy A15Practical Impact
Rear Camera Resolution13MP50MPA15 captures much more detail, better for prints and cropping.
Rear Camera Aperturef/1.9f/1.8A15 allows slightly more light into the sensor, better low-light photos.
Front Camera Resolution5MP13MPA15 has much sharper selfies with more detail.
Wide Angle LensN/A5MP f/2.2A15 is much better for group photos or expansive landscapes.
Macro Lens2MP f/2.42MP f/2.4Similar close-up photo capabilities on both phones.
Video Recording1080p@30fps, no slow-motion1080p@30fps, slow-motion 240fpsA15 can do slow motion, allowing for more creative video capture.

Battery

FeatureSamsung Galaxy A02Samsung Galaxy A15Practical Impact
Capacity5000mAh5000mAhSimilar battery life under similar usage.
Charging7.5W fast charging, Li-Ion25W fast charging, Li-PolymerA15 charges much faster, reducing downtime.

2. Key Differences Analysis

Samsung Galaxy A02 Advantages:

  • Potentially Lower Price: Being an older and lower-spec model, the A02 will likely be more affordable.
  • Dolby Atmos: Enhanced spatial audio for better sound experience.

Samsung Galaxy A15 Advantages:

  • Significantly Superior Display: AMOLED screen with higher resolution, brightness, and refresh rate offers a much better visual experience.
  • Much Faster Performance: The Helio G99 chipset provides a vastly better user experience, smoother multitasking, and better gaming.
  • Superior Camera System: Higher resolution sensors, a wide-angle lens, and slow-motion video capabilities significantly improve photo and video capture.
  • Faster Charging: The 25W fast charging is a huge time saver compared to the slow 7.5W of the A02.
  • Newer Software and Features: Android 14 and a newer Bluetooth version provide access to new features and better compatibility.
  • Additional Sensors: Includes a fingerprint sensor for enhanced security, a gyroscope for more precise motion detection, and an ultrasonic proximity sensor.

Trade-offs:

  • The A02 is only advantageous in its potential lower price and having Dolby Atmos but it lacks the overall user experience found in the A15.
  • The A15 has a slightly larger width compared to A02, however, this is unlikely to be a major issue for most users.

3. User Profiles & Recommendations

Samsung Galaxy A02 Ideal User:

  • Extremely Budget-Conscious Users: Those who prioritize price above all else and have basic smartphone needs.
  • Very Light Smartphone Users: People who mainly use their phone for calls, texts, and basic browsing, and don't need high performance.
  • Users who need enhanced spatial audio: For those who prioritize audio experience, Dolby Atmos is a great feature.

Use Cases:

  • Basic communication device for calls and texts.
  • Simple browsing and social media usage.
  • As a secondary phone.
  • Enhanced spatial audio enjoyment.

Samsung Galaxy A15 Ideal User:

  • Value-Conscious Users: Those who want good performance and features without spending top dollar.
  • Media Consumers: People who frequently watch videos, play games, or browse social media and want a better display experience.
  • Casual Photographers: Users who want decent cameras for everyday photos and videos.
  • Users who prioritize security: The fingerprint sensor allows for a quick and secure locking experience.

Use Cases:

  • Everyday phone for communication, browsing, social media.
  • Gaming at a casual level.
  • Taking photos and videos for social media.
  • Enjoying movies and videos with high-quality visuals.
  • Smooth multitasking and app switching.

4. Decision Framework

Key Questions for Buyers:

  1. What is your budget? If budget is the primary constraint, A02 is the budget option. However, if you can extend your budget a little bit, the A15 offers much more value.
  2. How important is performance? If you need a smooth experience for everyday use or gaming, A15 is the clear choice.
  3. How important is display quality and camera quality? If these aspects matter to you, the A15 is the better choice with its AMOLED screen and better camera.

Scenario-Based Recommendations:

  • Scenario 1: Tight budget, basic needs: Choose the Samsung Galaxy A02 if you need the cheapest possible device for basic communication.
  • Scenario 2: Need for a good media experience: Choose the Samsung Galaxy A15 for much better visual and smoother user experiences while watching movies, playing games, or browsing through social media.
  • Scenario 3: Everyday user with photo needs: Choose the Samsung Galaxy A15 for superior cameras and better performance for everyday use.
  • Scenario 4: User that enjoys a more immersive audio experience: Choose the Samsung Galaxy A02 if Dolby Atmos is a must have.

My Choice

If I were choosing between these two phones, I would choose the Samsung Galaxy A15.

The A15 offers a superior experience in almost every category that matters: display quality, performance, camera capabilities, and charging speed. While the A02 might be a cheaper option, the A15 offers a much better user experience that makes the increased cost worthwhile. The A15's superior display technology (AMOLED), better performance (Helio G99), and much-improved camera system make it a significantly better smartphone for everyday use. Also, the 25W fast charging is a must-have feature in my book, and the A15 offers a smooth experience thanks to its 90Hz refresh rate display.

The A02 might be acceptable as a secondary device or if you have a very specific need such as a dedicated phone for listening to music with Dolby Atmos. However, in terms of practical everyday usage, the A15 is the superior phone.

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.