Samsung Galaxy A02 vs Samsung Galaxy A73 5G - Detailed Phone Comparison

Detailed Comparison

Specification

General

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

Physical

Volume 113.27 cm³ 94.68 cm³
Screen Size to Weight Ratio 3.16 "/g 3.7 "/g
Weight 206 g 181 g
Height 164 mm 163.7 mm
Width 75.9 mm 76.1 mm
Thickness 9.1 mm 7.6 mm
Foldable Design No No
Available Colors
  • Black
  • Blue
  • White
  • Gray
  • Mint

Display

Screen Size 6.5 " 6.7 "
Resolution 720 x 1600 1080 x 2400
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 81.9 % 87 %
Pixel Density 270 PPI 393 PPI
Refresh Rate N/A 120 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 111.38 mAh/in²
Battery Density 44.14 mAh/cm³ 52.81 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support No Yes
Chipset Mediatek MT6739W (28 nm) Qualcomm SM7325 Snapdragon 778G 5G (6 nm)
CPU Quad-core 1.5 GHz Cortex-A53 Octa-core (1x2.4 GHz Cortex-A78 & 3x2.2 GHz Cortex-A78 & 4x1.9 GHz Cortex-A55)
GPU PowerVR GE8100 Adreno 642L

Connectivity

USB Version 2.0 2.0
OTG Support 1
DisplayPort
DisplayPort Version N/A N/A
USB Features microUSB 2.0 USB Type-C 2.0, OTG

Software

Operating System Android Android
Initial OS Version 10 12
Maximum OS Version 11 16

Comparison Summary

1. Specifications Comparison

Design

FeatureSamsung Galaxy A02Samsung Galaxy A73 5GPractical Impact
Dimensions164 × 75.9 × 9.1 mm163.7 × 76.1 × 7.6 mmA73 5G is slightly thinner and has a smaller overall volume, making it feel less bulky.
Weight206g181gA73 5G is significantly lighter, improving comfort during extended use.
BuildPlastic Back and FramePlastic Back and Frame, Corning Gorilla Glass 5 FrontA73 5G has better screen protection with Gorilla Glass 5, offering more durability against scratches and minor impacts.

Display

FeatureSamsung Galaxy A02Samsung Galaxy A73 5GPractical Impact
Size6.5"6.7"A73 5G has a slightly larger screen for more immersive viewing, though not a massive difference.
Resolution720 x 16001080 x 2400A73 5G has a much sharper display with significantly more detail, making text and images look much clearer.
Pixel Density (PPI)270393A73 5G provides a sharper image with higher detail, improving the overall viewing experience.
TechnologyPLS LCDAMOLEDA73 5G's AMOLED panel delivers deeper blacks, higher contrast, more vibrant colors and better power efficiency when using dark mode, a significantly better display quality.
Refresh Rate60Hz120HzA73 5G has a smoother display, resulting in better motion clarity and a more fluid visual experience in daily use and gaming.
Brightness0 nits0 nitsBoth have identical peak brightness, but the listed 0 nits seems incorrect as devices always have some level of brightness. Therefore, brightness cannot be directly compared using the provided data.

Performance

FeatureSamsung Galaxy A02Samsung Galaxy A73 5GPractical Impact
ChipsetMediatek MT6739W (28 nm)Qualcomm Snapdragon 778G 5G (6 nm)A73 5G's chipset is significantly more powerful and efficient, meaning it handles apps, games, and multitasking much more smoothly and quickly.
AnTuTu Score50,774575,551The A73 5G demonstrates much higher performance for demanding tasks, including gaming, video editing, and app usage.
GPUPowerVR GE8100Adreno 642LA73 5G's GPU is far more capable, resulting in better graphics performance for gaming and video editing.

Camera

FeatureSamsung Galaxy A02Samsung Galaxy A73 5GPractical Impact
Main Camera13MP, f/1.9108MP, f/1.8A73 5G captures much more detailed photos and performs better in low-light conditions due to a higher megapixel count and wider aperture.
Selfie Camera5MP, f/2.032MP, f/2.2A73 5G produces much sharper and higher quality selfies.
Wide Angle LensNone12MP, f/2.2A73 5G provides the versatility of capturing wider landscapes and group photos.
Portrait ModeNone5MP, f/2.4A73 5G provides better bokeh effect, creating a blurred background in portraits.
Macro Lens2MP, f/2.45MP, f/2.4A73 5G captures slightly more detailed close-up photos.
Video1080p@30fps4K@30fps, 1080p@30/60fps w/ EISA73 5G allows for higher quality video recordings including 4K and also benefits from electronic image stabilization (EIS), whereas the A02 has no image stabilization.

Battery

FeatureSamsung Galaxy A02Samsung Galaxy A73 5GPractical Impact
Capacity5000mAh5000mAhBoth phones should have similar battery life.
Charging7.5W25WA73 5G charges much faster, which reduces downtime when charging the phone.
FeaturesNon-removableBypass Charging, Non-removableA73 5G can bypass the battery when plugged in, reducing heat during gaming or heavy tasks.

Software & Connectivity

FeatureSamsung Galaxy A02Samsung Galaxy A73 5GPractical Impact
OSAndroid 10 (upgradable to 11)Android 12 (upgradable to 16)A73 5G offers a newer operating system, along with a promise of longer software support and more up-to-date features.
WiFi802.11b/g/n802.11a/b/g/n/ac/axA73 5G supports faster WiFi standards, offering better connectivity and speed.
Bluetooth4.25.0A73 5G has a more modern bluetooth, leading to more efficient wireless audio and communication.
GPSGPS, A-GPS, GLONASSGPS, A-GPS, GLONASS, Beidou, GalileoA73 5G offers more precise location tracking due to the addition of Beidou and Galileo.
SIMDual SIM Dual StandbyDual SIM Dual StandbyBoth offer dual SIM capabilities for those who need two numbers on one phone.

Storage & Audio

FeatureSamsung Galaxy A02Samsung Galaxy A73 5GPractical Impact
Internal Storage32/64GB128/256GBA73 5G offers much more storage space for apps, photos, videos, and other files.
RAM2/3/4GB6/8GBA73 5G provides superior multitasking capabilities, allowing users to run more apps simultaneously without slowdowns.
Expandable StorageNoNoNeither phone offers additional storage through a microSD card.
Audio QualityDolby AtmosDolby Atmos, Stereo SpeakersA73 5G offers slightly better audio immersion and clarity through its inclusion of stereo speakers, a better overall audio experience.

Security & Sensors

FeatureSamsung Galaxy A02Samsung Galaxy A73 5GPractical Impact
Security FeaturesBasic security featuresFingerprint sensorA73 5G provides faster and more convenient device unlocking with the fingerprint sensor.
SensorsProximity, AccelerometerFingerprint, Accelerometer, Compass, Gyroscope, Ultrasonic proximityA73 5G offers additional sensors that enable functions such as more accurate screen orientation, compass navigation, virtual reality experiences, and gaming control.

2. Key Differences Analysis

Samsung Galaxy A02 Advantages

  • Lower Cost: The most significant advantage of the A02 is its lower price point, making it a more budget-friendly option.
  • Simple Device: Serves as a basic communications device with access to smartphone applications.
  • Acceptable Battery Life: The 5000mAh battery still provides decent battery life for basic usage.

Samsung Galaxy A73 5G Advantages

  • Superior Display: The AMOLED display, higher resolution, and 120Hz refresh rate of the A73 5G offer a significantly better viewing experience.
  • Far Greater Performance: The Snapdragon 778G 5G chipset and higher RAM result in smoother multitasking, faster app loading, and better gaming performance.
  • Significantly Better Camera System: Higher resolution sensors, additional lenses, and features like OIS and 4K video enable superior photography and videography capabilities.
  • Faster Charging: 25W fast charging drastically reduces charging time compared to the A02's slower charging.
  • More Advanced Features: The A73 5G offers more advanced software, connectivity, audio, and security features.
  • More Up-to-Date Software: Comes with a more recent version of Android and better potential for future upgrades.
  • Better Durability: The inclusion of Gorilla Glass 5 increases screen durability.

Trade-offs

  • Price: The A02 is significantly more affordable, but with much worse specs. The A73 5G comes with an increased price tag, but offers significant improvements in almost every area.
  • Size/Weight: The A73 is lighter and thinner.

3. User Profiles & Recommendations

Samsung Galaxy A02 - Ideal User

  • Budget-Conscious Users: Individuals looking for a basic smartphone at the lowest possible price.
  • Light Users: Those who primarily use their phone for calls, texts, and basic browsing.
  • First-Time Smartphone Owners: People who are new to smartphones and want a simple, easy-to-use device.
  • Users with Low Tech Needs: Those who only need to communicate with others and may not need to utilize apps.

Use Cases:

  • Basic communication, email, social media, and web browsing.
  • Simple tasks for older individuals or children.
  • Backup or secondary phone.

Samsung Galaxy A73 5G - Ideal User

  • Performance-Oriented Users: Users who require smooth multitasking, fast app loading, and decent gaming performance.
  • Photography Enthusiasts: Individuals who value a versatile and high-quality camera system.
  • Media Consumers: Those who enjoy watching videos and movies on their phone, demanding a great screen.
  • Users Needing Long-Term Performance: Those who want a phone that will perform well for years to come, with future OS updates.

Use Cases:

  • Mobile gaming, photo and video creation, streaming media, and intensive app use.
  • Professional photography and videography on the go.
  • Daily drivers for power users needing a well-rounded device.

4. Decision Framework

Here are three questions to guide your decision:

  1. What is your budget?

    • Scenario A: If you have a very tight budget and only need a phone for basic tasks, the A02 is the more affordable option.
    • Scenario B: If you're willing to invest more for a significantly better experience, the A73 5G is far superior.
  2. What are your primary needs?

    • Scenario A: If your focus is on basic communication and browsing, the A02 might suffice.
    • Scenario B: If you need a phone for gaming, photography, video editing, or any intensive use, the A73 5G is much better equipped.
  3. How important is longevity and future-proofing?

    • Scenario A: If you don't mind upgrading your phone frequently, the A02 could be acceptable.
    • Scenario B: If you prefer a phone that will stay relevant for several years, the A73 5G's more modern hardware and software are better for future-proofing.

Final Recommendation

I would choose the Samsung Galaxy A73 5G.

The A73 5G offers a vastly superior experience in almost every aspect compared to the A02. While the A02 is budget-friendly, the A73 5G’s upgraded AMOLED display, significantly better chipset, superior camera, faster charging, and more future-proofed software make it the clear choice for anyone who is not on an extreme budget. The daily performance difference is likely to be enormous. The trade-off of a higher price is justified by the significant improvements in nearly every area, making it a better overall investment for most users looking for a modern smartphone experience. The more powerful chipset and much-improved screen will give the phone a longer lifespan and provide far better user experience.

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.

Key Strengths:

  • Mobile technology analysis
  • Digital media communication
  • Technical storytelling
  • User-centric technology insights

Bridging technical complexity with engaging, accessible narratives.