Samsung Galaxy S21 Ultra 5G vs Samsung Galaxy A13 - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date January 29, 2021 March 23, 2022
Release Year 2021 2022

Physical

Volume 111.09 cm³ 111 cm³
Screen Size to Weight Ratio 3 "/g 3.38 "/g
Weight 227 g 195 g
Height 165.1 mm 165.1 mm
Width 75.6 mm 76.4 mm
Thickness 8.9 mm 8.8 mm
Foldable Design No No
Available Colors
  • Phantom Black
  • Phantom Silver
  • Phantom Titanium
  • Phantom Navy
  • Phantom Brown
  • Navy
  • Black
  • Blue
  • White
  • Peach

Display

Screen Size 6.8 " 6.6 "
Resolution 1440 x 3200 1080 x 2408
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 89.4 % 83.2 %
Pixel Density 515 PPI 400 PPI
Refresh Rate 120 Hz N/A
Typical Brightness N/A N/A
HBM Brightness N/A N/A
Peak Brightness 1500 nits N/A

Hardware

Battery Capacity per Screen Area 108.13 mAh/in² 114.78 mAh/in²
Battery Density 45.01 mAh/cm³ 45.05 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support Yes Yes
Chipset Exynos 2100 (5 nm) - International Exynos 850 (8 nm)
CPU Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International Octa-core (4x2.0 GHz Cortex-A55 & 4x2.0 GHz Cortex-A55)
GPU Mali-G78 MP14 - International Mali-G52

Connectivity

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

Software

Operating System Android Android
Initial OS Version 11 12
Maximum OS Version 15 13

Comparison Summary

Smartphone Comparison: Samsung Galaxy S21 Ultra 5G vs. Samsung Galaxy A13

1. Specifications Comparison

Design

FeatureSamsung Galaxy S21 Ultra 5GSamsung Galaxy A13Practical Impact
Dimensions165.1 x 75.6 x 8.9 mm165.1 x 76.4 x 8.8 mmVery similar size; A13 is negligibly wider and thinner.
Weight227g195gS21 Ultra is significantly heavier, noticeable in extended use. A13 is lighter and more comfortable to hold.
BuildNot specifiedNot specifiedMore information needed to assess durability and premium feel

Display

FeatureSamsung Galaxy S21 Ultra 5GSamsung Galaxy A13Practical Impact
Size6.8"6.6"S21 Ultra offers a slightly larger screen for a more immersive experience.
Resolution1440 x 32001080 x 2408S21 Ultra offers significantly sharper images and text, with far more detail.
PPI515400S21 Ultra provides noticeably clearer visuals; less pixelation.
TechnologyAMOLEDPLS LCDS21 Ultra has better color accuracy, deeper blacks, and superior contrast, especially in bright light or for watching HDR content.
Refresh Rate120Hz60HzS21 Ultra has much smoother scrolling, animations, and better responsiveness during gaming.
Brightness1500 nits0 nitsS21 Ultra is drastically more visible under direct sunlight. A13's brightness is missing and not comparable.

Performance

FeatureSamsung Galaxy S21 Ultra 5GSamsung Galaxy A13Practical Impact
ChipsetExynos 2100 (5 nm)Exynos 850 (8 nm)S21 Ultra offers significantly faster processing for demanding tasks, smoother multitasking, and more responsive apps.
AnTuTu Score749,000200,150S21 Ultra is much faster, loading apps, running games, and editing photos more quickly.
GPUMali-G78 MP14Mali-G52S21 Ultra delivers superior graphics performance, resulting in smoother gameplay and better graphical fidelity.

Camera

FeatureSamsung Galaxy S21 Ultra 5GSamsung Galaxy A13Practical Impact
Standard Camera108MP, f/1.8, 1/1.33", 0.8µm50MP, f/1.8S21 Ultra captures more detailed images and potentially better low-light performance; higher resolution allows for more cropping.
Telephoto + Portrait10.8MP, f/2.4, 1/2.65", 1.22µmN/AS21 Ultra has dedicated zoom capabilities and portrait mode.
Selfie Camera44MP, f/2.2, 1/2.65", 0.7µm8MP, f/2.2S21 Ultra takes higher-resolution selfies with better detail and dynamic range.
Telephoto Lens10.8MP, f/4.9, 1/2.65", 1.22µmN/AS21 Ultra has dedicated zoom capabilities with better results.
Wide Angle LensN/A5MP, f/2.2A13 can capture a wider field of view.
Portrait (Depth) LensN/A2MP, f/2.4A13 has a dedicated lens for creating background blur in portrait shots.
Macro LensN/A2MP, f/2.4A13 can capture close-up details.
Wide Angle + Macro12.2MP, f/2.2, 1/2.55", 1.4µmN/AS21 Ultra can capture wider angles with good detail and macro capabilities.
Video RecordingUp to 8K@24fpsUp to 1080p@30fpsS21 Ultra offers much higher video quality, better stabilization, and slow-motion options for high-quality footage.
DxOMark ScoresMobile: 115, Selfie: 135Not availableS21 Ultra is proven to be a high-quality camera phone.
Camera FeaturesExtensive features including 4K/8K video, OIS, RAW, and night modeBasic camera featuresS21 Ultra provides advanced tools for creative photography and videography.

Battery

FeatureSamsung Galaxy S21 Ultra 5GSamsung Galaxy A13Practical Impact
Capacity5000 mAh5000 mAhSimilar battery life under moderate usage, but the S21 Ultra's more powerful hardware might drain slightly faster.
Charging25W Fast Charging25W Fast ChargingBoth can recharge quickly, but the S21 Ultra has additional features.
FeaturesReverse charging, 15W wireless charging, 9W reverse wireless chargingNoneS21 Ultra can wirelessly charge other devices and charge wirelessly itself, making it more versatile

2. Key Differences Analysis

Samsung Galaxy S21 Ultra 5G Advantages:

  • Superior Display: AMOLED technology, higher resolution, 120Hz refresh rate, and much higher brightness. This translates to significantly better visual experience, especially for multimedia consumption and outdoor use.
  • Much Higher Performance: The Exynos 2100 chipset results in faster app loading, smoother multitasking, and a superior gaming experience.
  • Advanced Camera System: Multiple camera lenses, higher resolution sensors, 8K video recording, optical zoom, and advanced features like OIS, and RAW. It's a powerful tool for creative photography and videography.
  • Additional Battery Features: Wireless charging and reverse wireless charging make it convenient for power sharing and charging.
  • Premium Features: Stereo speakers, better audio quality, and higher quality build materials.

Samsung Galaxy A13 Advantages:

  • Lighter Weight: More comfortable for extended use and carrying around.
  • Lower Price: Much more affordable making it more accessible to budget-conscious users.
  • Wide Angle, Macro and Depth Lens: It offers more lens options if those lenses are important to your photography.
  • Newer OS: Starts with Android 12 out of the box with a final upgrade to Android 13.

Trade-offs:

  • The S21 Ultra is significantly more expensive and heavier. The lack of a charger in-box may also be inconvenient for some.
  • The A13 sacrifices display quality, performance, and camera capabilities for a lower price. The lack of slow motion video can be a disadvantage.

3. User Profiles & Recommendations

Samsung Galaxy S21 Ultra 5G Ideal Users:

  • Power Users: Those who need top-tier performance for demanding tasks like gaming, video editing, and heavy multitasking.
  • Photography Enthusiasts: Users who want a versatile and high-quality camera system with advanced features.
  • Multimedia Consumers: Those who value a premium viewing experience with a large, vibrant, high-resolution display.
  • Users who want the best of the best and are willing to pay for high quality materials and features.
  • Business Professionals: Those who require a powerful and reliable phone with great battery life, wireless charging and top-tier performance.

Samsung Galaxy A13 Ideal Users:

  • Budget-Conscious Consumers: Those who need a functional smartphone for basic tasks without spending a lot of money.
  • Casual Users: Those who primarily use their phones for browsing the web, social media, and communication.
  • Users with less-demanding needs: Those who prioritize battery life and daily reliability over peak performance.
  • Users who do not need top camera performance: Those who just need a camera to document events.
  • Users who value a lighter weight: Those looking for a comfortable phone to hold for long periods.

4. Decision Framework

Key Questions to Consider:

  1. What is your budget? If you have a tight budget, the A13 is the clear choice.
  2. How important are display quality, performance, and camera capabilities? If you need the best in those areas, the S21 Ultra is the better choice.
  3. What are your primary use cases? If you mainly browse the web and use social media, the A13 may be sufficient. But if you play games and use demanding applications, the S21 Ultra is recommended.

Scenario-Based Recommendations:

  • Scenario 1: Casual user, limited budget - Choose the Samsung Galaxy A13. It handles basic tasks well and is much more affordable.
  • Scenario 2: Need performance and a great camera, willing to pay extra - Choose the Samsung Galaxy S21 Ultra 5G. It's a significant upgrade in almost every area.
  • Scenario 3: Prioritize display quality and want to watch movies on the go - Choose the Samsung Galaxy S21 Ultra 5G. The better display will make media consumption much more enjoyable.
  • Scenario 4: Need a reliable daily driver with great battery life and is comfortable in the hand - Choose the Samsung Galaxy A13. It's not too heavy and will last a while.

My Choice

If I had to choose, I would choose the Samsung Galaxy S21 Ultra 5G. While it is an older phone, the advantages it brings in display quality, performance, and camera capabilities outweigh the newer software. I often use my phone for demanding tasks like photo editing, video recording and gaming so it will better suit my use case. The added bonus of being able to wirelessly charge my headphones from my phone also brings extra utility. The higher price point is worth it considering the phone's longevity and overall capabilities.

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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