Samsung Galaxy A03s vs Samsung Galaxy S21 FE 5G - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date August 18, 2021 January 7, 2022
Release Year 2021 2022

Physical

Volume 113.41 cm³ 91.64 cm³
Screen Size to Weight Ratio 3.32 "/g 3.62 "/g
Weight 196 g 177 g
Height 164.2 mm 155.7 mm
Width 75.9 mm 74.5 mm
Thickness 9.1 mm 7.9 mm
Foldable Design No No
Available Colors
  • Black
  • Blue
  • White
  • White
  • Graphite
  • Lavender
  • Olive

Display

Screen Size 6.5 " 6.4 "
Resolution 720 x 1600 1080 x 2340
Aspect Ratio 20:9 19.5:9
Screen-to-Body Ratio 81.8 % 86.7 %
Pixel Density 270 PPI 403 PPI
Refresh Rate N/A 120 Hz
Typical Brightness N/A N/A
HBM Brightness N/A N/A
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 118.34 mAh/in² 109.86 mAh/in²
Battery Density 44.09 mAh/cm³ 49.11 mAh/cm³
Battery Capacity 5000 mAh 4500 mAh
NFC Support Yes Yes
Chipset Mediatek MT6765 Helio P35 (12 nm) Qualcomm SM8350 Snapdragon 888 5G (5 nm) - Version 1
CPU Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) - Version 1
GPU PowerVR GE8320 Adreno 660 - Version 1

Connectivity

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

Software

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

Comparison Summary

Okay, let's dive into a detailed comparison of the Samsung Galaxy A03s and the Galaxy S21 FE 5G. These two phones occupy vastly different positions in Samsung's lineup, and it's crucial to understand how their specs translate to real-world experiences.

1. Specifications Breakdown

Here's a detailed breakdown comparing the key technical specifications, along with real-world implications:

FeatureSamsung Galaxy A03sSamsung Galaxy S21 FE 5GReal-World Implications
Design
Launch Date2021-08-182022-01-07S21 FE is newer, potentially with more modern software support.
Dimensions164.2 × 75.9 × 9.1 mm155.7 × 74.5 × 7.9 mmA03s is bulkier, S21 FE is more compact and pocketable.
Weight196g177gS21 FE is noticeably lighter, more comfortable for extended use.
FoldableStandardStandardBoth are standard smartphones, no fancy folding.
Display
Size6.5"6.4"Minimal size difference.
Resolution720x16001080x2340S21 FE has a much sharper display.
PPI270403S21 FE display will be noticeably crisper, with finer details.
TechnologyPLS LCDAMOLEDS21 FE offers superior contrast, vibrant colors, and better dark theme efficiency.
Refresh Rate60Hz120HzS21 FE has a much smoother scrolling and animation experience.
Brightness0 nits1300 nitsS21 FE is significantly brighter, excellent for outdoor visibility.
Performance
ChipsetMediatek Helio P35Snapdragon 888 5GS21 FE offers dramatically faster performance for all tasks.
Antutu Score117,049923,836S21 FE is leagues ahead in performance, excellent for gaming, multitasking, and future-proofing.
GPUPowerVR GE8320Adreno 660S21 FE's GPU is far more capable for graphically demanding apps and games.
Battery Life
Capacity5000mAh4500mAhA03s has a larger battery, potentially better endurance for basic tasks.
ChargingLi-Ion25W Fast Charging, Li-PolymerS21 FE has fast charging capabilities, A03s charges slower.
FeaturesNon-removableWireless/Reverse Charging, Non-removableS21 FE offers convenient wireless and reverse charging options.
Camera
Standard Camera13MP f/2.212MP f/1.8, 1/1.76" Sony IMX555S21 FE has a better standard camera sensor with a wider aperture.
Telephoto/PortraitN/A8MP f/2.0 Hynix HI-847S21 FE offers zoom and portrait photography capabilities.
Selfie Camera5MP f/2.032MP f/2.2 1/2.8" Sony IMX616S21 FE has a far superior selfie camera with more details.
Macro Lens2MP f/2.3N/AA03s has dedicated macro, but often low-quality.
Wide Angle CameraN/A13MP f/2.2, 1/3.06" Sony IMX258S21 FE has ultrawide lens for expanded FOV.
Video1080p@30fps4K@60fps, 1080p@240fpsS21 FE offers much higher quality video recording.
DXOMARKNot Tested117 (Mobile), 127 (Selfie)S21 FE is significantly higher quality camera tested by DxOMark
Camera FeaturesBasic FeaturesAdvanced FeaturesS21 FE has features like OIS, Optical Zoom, RAW, and Night Mode.
Software
OSAndroid 11Android 12S21 FE has a more recent Android version.
Max VersionAndroid 12Android 16S21 FE is likely to receive more software updates in the long run
Connectivity
WiFi802.11nWiFi 6 (802.11ax)S21 FE offers faster and more reliable WiFi speeds.
Bluetooth5.0 LE5.0 LE, Extended ProfilesS21 FE supports more Bluetooth profiles, enhancing connectivity.
GPSGPS, GLONASSGPS, GLONASS, Beidou, GalileoS21 FE has better location tracking with more satellite systems.
SIMDual SIMDual SIMBoth support dual SIM capabilities.
Storage & RAM
Internal32/64 GB128/256 GBS21 FE offers more storage space for apps and media.
RAM3/4 GB6/8 GBS21 FE has more RAM for smoother multitasking and performance.
ExpandableNoNoNeither phone offers expandable storage.
Audio
QualityBasicDolby Atmos, Stereo SpeakersS21 FE has far superior audio quality and immersive sound.
Security
FeaturesSide-mounted FingerprintBasic FingerprintA03s has a convenient fingerprint location; S21 FE has less convinient in screen sensor.
Build Quality
ProtectionUnknownCorning Gorilla Glass VictusS21 FE has much stronger screen protection against scratches and drops.
Sensors
SensorsFingerprint, Proximity, AccelerometerFingerprint, Proximity, Accelerometer, Compass, Gyroscope, BarometerS21 FE includes additional sensors for more accurate mapping, gaming and environment.

2. Key Insights

Samsung Galaxy A03s:

  • Strengths:
    • Large Battery: Offers potentially longer battery life, good for users who prioritize longevity between charges.
    • Affordability: The key selling point – it’s designed for budget-conscious users.
    • Side-mounted fingerprint sensor: Practical and easy to use.
  • Weaknesses:
    • Low-Resolution Display: The 720p display is not sharp, affecting viewing quality.
    • Slow Performance: The Helio P35 chipset is very slow, leading to lag and slow app loading.
    • Basic Camera: Offers very limited photo and video quality, especially compared to the S21 FE.
    • Basic features: No Wireless Charging or advanced software features.

Samsung Galaxy S21 FE 5G:

  • Strengths:

    • High-Performance: The Snapdragon 888 is extremely powerful, providing smooth multitasking, gaming, and overall performance.
    • Excellent Display: The AMOLED screen with a 120Hz refresh rate offers vibrant colors, deep blacks, and smooth animations.
    • Advanced Camera System: Provides far superior image and video quality, with zoom, ultrawide, and optical stabilization.
    • Wireless Charging: Convenient and fast charging capabilities.
    • Premium Features: Offers better build quality, additional sensors, and an overall premium experience.
    • Software Support: Likely to receive more Android OS upgrades and security patches.
  • Weaknesses:

    • Higher Price: Significantly more expensive than the A03s, making it less accessible to budget-conscious consumers.
    • Battery Capacity: Smaller battery capacity, might not last as long as the A03s under heavy use.
    • No charger in the box: Must buy one separately.

3. User Profiles and Recommendations

  • Samsung Galaxy A03s:

    • Best For: Users on a tight budget, who need a basic smartphone for calls, texts, and simple apps and want the best battery life.
    • Use Cases: Students, first-time smartphone users, and those who need a secondary device for basic use.
    • Recommendation: If price is your primary concern, and you have minimal demands from a phone, the A03s can serve its purpose.
  • Samsung Galaxy S21 FE 5G:

    • Best For: Users who prioritize performance, a high-quality display, and advanced camera capabilities; people who enjoy gaming and photography.
    • Use Cases: Social media enthusiasts, gamers, photographers, and users who want a feature-rich smartphone experience.
    • Recommendation: If you want a flagship-like experience and are willing to pay more, the S21 FE is a much better option.

4. Buying Decision Framework

Here are three key questions to help decide which phone is right for you:

  1. What is your budget?

    • If very limited: The A03s is your only option.
    • If flexible: The S21 FE offers much better overall value for your money.
  2. What are your primary use cases?

    • If basic tasks only: A03s can handle this but may feel slow.
    • If gaming, content creation, or heavy multitasking: The S21 FE is essential.
  3. What features are most important to you?

    • If battery life: A03s may have a slight edge for very light usage.
    • If display quality, camera performance, and fast performance: The S21 FE is the clear winner.

Scenario-Based Recommendations

  • Scenario 1: The Budget User

    • Needs: Basic smartphone functions with a large battery at the lowest price.
    • Recommendation: Samsung Galaxy A03s
  • Scenario 2: The Casual User

    • Needs: A good all-around phone with decent performance and a good camera.
    • Recommendation: Samsung Galaxy S21 FE 5G.
  • Scenario 3: The Power User

    • Needs: Top-notch performance, best display quality, and professional-grade camera features.
    • Recommendation: Samsung Galaxy S21 FE 5G.

My Choice

If I were choosing between these two phones, I would absolutely pick the Samsung Galaxy S21 FE 5G. While the A03s might have a slightly longer battery life due to a larger battery and less demanding specs, the benefits of the S21 FE 5G in terms of performance, display quality, camera capability, and software support are too significant to ignore. As someone who uses their phone extensively for various purposes—from browsing and social media to photography and light gaming—the S21 FE 5G is the better investment for a well-rounded and enjoyable experience, despite the higher price tag. The superior experience in every single category that is important to a daily smartphone user trumps the tiny gains that the A03s offers in battery life.

Alex Griffin
Alex Griffin

Technology analyst specializing in mobile devices and consumer electronics.

Core Expertise

  • Mobile technology analysis
  • Consumer electronics evaluation
  • Technical specification interpretation
  • User experience insights

Professional Mission Empowering readers to make informed technology decisions by transforming intricate specifications into understandable, practical guidance.

Demystifying technology, one device at a time.