Samsung Galaxy S21+ 5G vs Samsung Galaxy A05s - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date January 29, 2021 October 18, 2023
Release Year 2021 2023

Physical

Volume 95.23 cm³ 115.02 cm³
Screen Size to Weight Ratio 3.35 "/g 3.45 "/g
Weight 200 g 194 g
Height 161.5 mm 168 mm
Width 75.6 mm 77.8 mm
Thickness 7.8 mm 8.8 mm
Foldable Design No No
Available Colors
  • Phantom Violet
  • Phantom Pink
  • Phantom Black
  • Phantom Silver
  • Phantom Gold
  • Phantom Red
  • Silver
  • Black
  • Violet
  • Light Green

Display

Screen Size 6.7 " 6.7 "
Resolution 1080 x 2400 1080 x 2400
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 88.8 % 82.9 %
Pixel Density 394 PPI 393 PPI
Refresh Rate 120 Hz 90 Hz
Typical Brightness N/A N/A
HBM Brightness N/A N/A
Peak Brightness 1300 nits N/A

Hardware

Battery Capacity per Screen Area 106.93 mAh/in² 111.38 mAh/in²
Battery Density 50.4 mAh/cm³ 43.47 mAh/cm³
Battery Capacity 4800 mAh 5000 mAh
NFC Support Yes Yes
Chipset Exynos 2100 (5 nm) - International Qualcomm SM6225 Snapdragon 680 4G (6 nm)
CPU Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International Octa-core (4x2.4 GHz Kryo 265 Gold & 4x1.9 GHz Kryo 265 Silver)
GPU Mali-G78 MP14 - International Adreno 610

Connectivity

USB Version 3.2 2.0
OTG Support 1
DisplayPort
DisplayPort Version N/A N/A
USB Features USB Type-C 3.2, OTG USB Type-C 2.0

Software

Operating System Android Android
Initial OS Version 11 13
Maximum OS Version 15

Comparison Summary

1. Specifications Comparison

Design

FeatureSamsung Galaxy S21+ 5GSamsung Galaxy A05sPractical Impact
Dimensions161.5 × 75.6 × 7.8 mm168 × 77.8 × 8.8 mmA05s is noticeably larger and slightly thicker, potentially less comfortable for one-handed use.
Weight200g194gA05s is negligibly lighter; likely not noticeable during typical use.

Display

FeatureSamsung Galaxy S21+ 5GSamsung Galaxy A05sPractical Impact
Size6.7"6.7"Both have the same screen size.
Resolution1080 x 24001080 x 2400Both displays offer the same level of sharpness.
PPI394393Nearly identical pixel density; very similar visual clarity.
TechnologyAMOLEDPLS LCDS21+ has superior contrast, deeper blacks, and better viewing angles. It is also more power-efficient with dark modes.
Refresh Rate120Hz90HzS21+ offers smoother scrolling and animations.
Brightness1300 nits0 nitsS21+ is much better for outdoor visibility, especially in direct sunlight. A05s display brightness is unknown, meaning its usability in bright conditions is questionable.

Performance

FeatureSamsung Galaxy S21+ 5GSamsung Galaxy A05sPractical Impact
ChipsetExynos 2100 (5 nm)Snapdragon 680 4G (6 nm)S21+ has a significantly more powerful processor; faster app loading, smoother multitasking, better gaming experience.
AnTuTu Score749,100260,000S21+ is significantly faster in benchmarks. Real-world performance difference will be very noticeable.
GPUMali-G78 MP14Adreno 610S21+ has a much more powerful GPU, offering better graphics performance for games and demanding applications.

Camera

FeatureSamsung Galaxy S21+ 5GSamsung Galaxy A05sPractical Impact
Standard Camera12MP, f/1.8, 1/1.76" sensor50MP, f/1.8A05s captures more detailed images under optimal conditions due to higher megapixel count. S21+ may perform better in low-light due to its larger sensor and pixel size.
Telephoto64MP, f/2.0, 1/1.72" sensorNoneS21+ offers optical zoom capabilities for better close-up shots and portraits.
Selfie Camera10MP, f/2.213MP, f/2.0A05s has a slightly better aperture for selfies and more megapixels.
Portrait Mode (Depth)None2MP, f/2.4A05s includes a dedicated depth sensor for portrait shots with background blur.
Macro LensNone2MP, f/2.4A05s includes a macro lens for extreme close-up photography.
Wide Angle12.2MP, f/2.2, 1/2.55" sensorNoneS21+ has an ultrawide camera that is great for landscape shots.
VideoUp to 8K@24fpsUp to 1080p@60fpsS21+ is capable of high-resolution video recording, suitable for more professional use and better quality video.
DxOMark ScoreMobile: 111, Photo: 118, Video: 89Not testedS21+ is a much better camera overall, at least in tests.
Camera FeaturesMany (OIS, 4K/8K, Zoom)Basic (Digital zoom, HDR)S21+ has features such as optical image stabilization and RAW capture and offers more creative possibilities.

Battery

FeatureSamsung Galaxy S21+ 5GSamsung Galaxy A05sPractical Impact
Capacity4800mAh5000mAhA05s has a slightly larger battery. Difference may not be significant in day to day use.
Charging25W fast charging25W fast chargingBoth phones support 25W fast charging.
Battery FeaturesWireless, reverse chargingNoneS21+ offers convenient wireless charging and reverse wireless charging for accessories.

Software & Connectivity

FeatureSamsung Galaxy S21+ 5GSamsung Galaxy A05sPractical Impact
OSAndroid 11 (Upgradable to 15)Android 13A05s comes with a newer version of Android.
Wi-FiWi-Fi 6Wi-Fi 5S21+ has better Wi-Fi performance, especially in congested networks.
Bluetooth5.05.1A05s has a newer Bluetooth version with potential for slightly better connectivity.
GPSL1+L5QZSSS21+ supports dual-band GPS for more accuracy. A05s supports the QZSS satellite system.
SIMDual SIM (Nano + eSIM)Dual SIM (Nano + Nano)S21+ offers eSIM for more flexibility with carriers.
Storage128/256 GB64/128 GBS21+ offers more internal storage options, especially at the highest configuration (256 GB).
RAM8 GB4/6 GBS21+ offers more RAM for better multitasking capabilities.
Expandable StorageNoNoNeither phone allows for expandable storage.

Audio

FeatureSamsung Galaxy S21+ 5GSamsung Galaxy A05sPractical Impact
AudioDolby Atmos, Hi-Res Audio, Stereo SpeakersBasicS21+ provides a more immersive audio experience, great for music and videos.

Security

FeatureSamsung Galaxy S21+ 5GSamsung Galaxy A05sPractical Impact
SecurityBasic FingerprintSide-mounted FingerprintS21+ has a basic fingerprint sensor. A05s may have a more convenient fingerprint sensor.

Build Quality

FeatureSamsung Galaxy S21+ 5GSamsung Galaxy A05sPractical Impact
Screen ProtectionCorning Gorilla Glass VictusUnknownS21+ has superior screen protection against scratches and impacts.

Sensors

FeatureSamsung Galaxy S21+ 5GSamsung Galaxy A05sPractical Impact
SensorsComprehensive suite (Barometer, Gyroscope)Basic suiteS21+ offers a wider range of sensor data, useful for advanced features, AR and gaming.

2. Key Differences Analysis

Samsung Galaxy S21+ 5G Advantages:

  • Superior Display: AMOLED with 120Hz refresh rate and higher brightness for better visual experience and outdoor visibility.
  • Much Higher Performance: Significantly faster processor and GPU, making it suitable for demanding tasks and gaming.
  • Advanced Camera System: Telephoto, wide-angle lenses, optical zoom, 4K/8K video, and OIS for higher quality photos and videos.
  • Premium Features: Wireless charging, reverse wireless charging, better audio (Dolby Atmos, Hi-Res), and better build quality with Gorilla Glass Victus.
  • Better connectivity: Supports Wi-Fi 6 and a better GPS system.

Samsung Galaxy A05s Advantages:

  • Newer Android Version: Ships with a newer version of Android (13 vs 11), which may translate into better software support for a limited time.
  • Slightly Larger Battery: Marginally higher capacity battery, potentially offering slightly longer battery life.
  • Dedicated Depth and Macro Lenses: Offers more creative shooting options in close-up scenarios.
  • Potentially a better selfie camera.
  • A Newer Bluetooth version

Practical Implications and Trade-offs:

  • The S21+ is a premium device offering a much better user experience in terms of display quality, performance, and camera capabilities. The trade-off is that it is likely more expensive and lacks some very budget-oriented features like dedicated macro lenses and a more updated Android OS.
  • The A05s is a more budget-friendly device with basic features, while it includes features like a macro lens and a newer Android OS, it trades off with a much less capable processing unit, display quality and a basic camera system.

3. User Profiles & Recommendations

Samsung Galaxy S21+ 5G Ideal Users:

  • Power Users: Those who need high performance for multitasking, gaming, and demanding applications.
  • Photography Enthusiasts: Users who value camera quality, versatility, and features like optical zoom and OIS.
  • Multimedia Consumers: People who appreciate high-quality displays, and immersive audio experiences.
  • Users who prioritize screen visibility in different outdoor situations

Specific Use Cases:

  • High-end gaming, demanding video editing, and photography.
  • Enjoying high-quality streaming and music experiences.
  • Traveling with the need for a reliable camera and GPS system.

Samsung Galaxy A05s Ideal Users:

  • Budget-Conscious Buyers: Those who are looking for an affordable device for basic use.
  • Casual Users: Users who primarily use their phone for calls, texts, and browsing.
  • Users who prefer to have macro and depth lenses on their phones.
  • Users who want a more up-to-date Android OS.

Specific Use Cases:

  • Everyday tasks, social media, and basic photography.
  • As a secondary phone.
  • For users with simple smartphone needs on a budget.

Price-to-Value Ratio:

  • The S21+ likely offers better long term value due to better overall hardware, a better camera and higher performance, but at a higher price.
  • The A05s is more budget-friendly, offering good value for basic use cases, but lacks performance and some features.

4. Decision Framework

Key Questions for Buyers:

  1. What is your primary use case for the phone? (e.g., gaming, photography, basic communication)
  2. What is your budget? (Price will greatly influence the choice between these two devices)
  3. How much do you value screen quality, performance, and camera capabilities? (Consider the practical implications)

Scenario-Based Recommendations:

  • Scenario 1: Gaming & Multimedia: If you plan to play games, watch videos, or use demanding apps, choose the Galaxy S21+ 5G. Its performance, screen, and audio will greatly enhance your experience.
  • Scenario 2: Casual Use & Budget: If you primarily use your phone for basic communication, social media, and occasional photos, the Galaxy A05s will suffice. It's much more affordable and offers the basics.
  • Scenario 3: Photography Focus: If you want good photography and video features, and you value having a telephoto and wide-angle lens, the Galaxy S21+ 5G offers superior performance and advanced features.
  • Scenario 4: Outdoor screen visibility: If you plan to use your phone in sunny outdoor conditions, the Galaxy S21+ 5G offers better screen visibility due to it's much higher brightness.

My Choice

If I were choosing, I would pick the Samsung Galaxy S21+ 5G. While it's an older phone, the performance difference is significant, and the display and camera are far superior. I value smooth performance, good outdoor visibility, and high quality photos more than a newer OS or slightly larger battery. It would provide a much better overall experience for my needs, and I believe it offers better long term value. The A05s, despite being a newer model, compromises too much on critical aspects for me. The lack of brightness on the display and the underwhelming performance makes it hard to recommend for my general use case.

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
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Bridging technical complexity with engaging, accessible narratives.