Samsung Galaxy S21+ 5G vs Samsung Galaxy Z Fold3 5G - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date January 29, 2021 August 27, 2021
Release Year 2021 2021

Physical

Volume 95.23 cm³ 129.7 cm³
Screen Size to Weight Ratio 3.35 "/g 2.8 "/g
Weight 200 g 271 g
Height 161.5 mm 158.2 mm
Width 75.6 mm 128.1 mm
Thickness 7.8 mm 6.4 mm
Foldable Design No Yes
Available Colors
  • Phantom Violet
  • Phantom Pink
  • Phantom Black
  • Phantom Silver
  • Phantom Gold
  • Phantom Red
  • Phantom Black
  • Phantom Silver
  • Phantom Green
  • Thom Browne Edition
  • Wooyoungmi Edition

Display

Screen Size 6.7 " 7.6 "
Resolution 1080 x 2400 1768 x 2208
Aspect Ratio 20:9 16:9
Screen-to-Body Ratio 88.8 % 89.7 %
Pixel Density 394 PPI 374 PPI
Refresh Rate 120 Hz 120 Hz
Typical Brightness N/A N/A
HBM Brightness N/A N/A
Peak Brightness 1300 nits 1200 nits

Hardware

Battery Capacity per Screen Area 106.93 mAh/in² 76.18 mAh/in²
Battery Density 50.4 mAh/cm³ 33.92 mAh/cm³
Battery Capacity 4800 mAh 4400 mAh
NFC Support Yes Yes
Chipset Exynos 2100 (5 nm) - International Qualcomm SM8350 Snapdragon 888 5G (5 nm)
CPU Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55)
GPU Mali-G78 MP14 - International Adreno 660

Connectivity

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

Software

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

Comparison Summary

1. Specifications Comparison

Here's a detailed comparison of the Samsung Galaxy S21+ 5G and Samsung Galaxy Z Fold3 5G, focusing on practical implications:

Design

FeatureSamsung Galaxy S21+ 5GSamsung Galaxy Z Fold3 5GPractical Impact
Form FactorStandardFoldableFold3 offers a unique tablet-like experience; S21+ is a traditional phone.
Dimensions161.5 × 75.6 × 7.8 mm158.2 × 128.1 × 6.4 mm (Unfolded)Fold3 is wider when unfolded, significantly impacting portability; S21+ is taller but thinner.
Weight200g271gS21+ is considerably lighter, making it more comfortable for one-handed use and extended periods.

Display

FeatureSamsung Galaxy S21+ 5GSamsung Galaxy Z Fold3 5GPractical Impact
Size6.7"7.6"Fold3 offers a much larger screen for enhanced multitasking, media consumption, and productivity.
Resolution1080x24001768x2208Fold3 has a sharper display, leading to a more detailed visual experience.
PPI394374S21+ has slightly higher pixel density, leading to sharper text and images on its smaller screen.
TechnologyAMOLEDMissingS21+ likely offers superior colors and contrast due to AMOLED. Missing data regarding Z Fold3 technology
Refresh Rate120Hz120HzBoth offer smooth scrolling and animations; Ideal for gaming and fast-paced content.
Brightness1300 nits0 nitsS21+ will be much easier to see in bright sunlight. Missing Z Fold3 brightness data, likely to be significantly lower.

Performance

FeatureSamsung Galaxy S21+ 5GSamsung Galaxy Z Fold3 5GPractical Impact
ChipsetExynos 2100 (5 nm) - InternationalQualcomm SM8350 Snapdragon 888 5G (5 nm)Fold3's Snapdragon chipset typically offers better sustained performance and better power efficiency.
AnTuTu Score749,100898,700Fold3 provides noticeably better overall performance for demanding tasks and gaming.
GPUMali-G78 MP14 - International (ARM Mali-G78 MC14)Adreno 660 (Adreno 660)Fold3's Adreno GPU is generally considered superior for graphics-intensive applications and gaming.

Battery

FeatureSamsung Galaxy S21+ 5GSamsung Galaxy Z Fold3 5GPractical Impact
Capacity4800mAh4400mAhS21+ likely offers slightly longer battery life due to larger capacity.
Charging25W fast charging, Li-Polymer25W fast charging, Li-PolymerBoth offer the same fast charging speed, though neither is the fastest in the market.
FeaturesReverse charging, Non-removable, Wireless charging 15W, Reverse wireless charging 4.5W, No charge in-boxBypass Charging, Reverse charging, Non-removable, Wireless charging 15W, Reverse wireless charging 9WFold3 offers faster reverse wireless charging, while S21+ may lack a charging brick. Both are not user removable.

Camera

FeatureSamsung Galaxy S21+ 5GSamsung Galaxy Z Fold3 5GPractical Impact
Main Camera12MP, f/1.8, 1/1.76", Sony IMX555, 1.80 µm12MP, f/1.8, 1/1.76", Sony IMX555, 1.80 µmSimilar image quality in daylight conditions.
Telephoto64MP, f/2.0, 1/1.72", Samsung Bright S5KGW2, 0.80 µm12MP, f/2.4, sensor model missing, 1.00 µmS21+ has a higher resolution sensor for digital zoom, but Fold3 offers better optical zoom
Wide Angle12.2MP, f/2.2, 1/2.55", Sony IMX563, 1.40 µm13MP, f/2.2, 1/3.06", Sony IMX258, 1.12 µmS21+ includes Macro in its wide angle.
Selfie10MP, f/2.2, 1/3.2", Sony IMX374, 1.22 µm10MP, f/2.2, 1/3.2", Sony IMX374, 1.22 µmSimilar image quality for selfies.
Additional LensesWide Angle + Macro, Telephoto + portraitTelephoto lens, Wide Angle lensS21+ offers telephoto and macro lenses, while Fold3 has a dedicated wide angle and telephoto lens.
VideoUp to 8K@24fps, comprehensive featuresUp to 4K@60fps, comprehensive featuresS21+ is better for high-resolution video creation.
DxOMark MobileMain: 111, Photo: 118, Video: 89Main: 120, Photo: 129, Video: 105, Selfie: 83 (Photo: 79, Video: 89)Fold3 performs better overall in photo and video quality than S21+, and it also has Selfie scores as well.

2. Key Differences Analysis

Here's a breakdown of the advantages of each phone, their practical implications, and trade-offs:

Samsung Galaxy S21+ 5G Advantages:

  • Lighter and More Compact: Easier to handle and carry, ideal for one-handed use.
  • Brighter Display: Significantly better visibility in direct sunlight, making it suitable for outdoor use.
  • Superior Video Resolution: Capable of recording 8K video, useful for professional-grade video creation.
  • Slightly Larger Battery: Potentially longer battery life, although the difference may be marginal.
  • Hi-Res Audio and Noise Cancellation Microphone: Enhanced audio experience for media consumption and calls.
  • Wider Satellite Support: Better location tracking accuracy for navigation and location-based apps.

Practical Implications: The S21+ is a strong all-arounder, suitable for users who value portability, a bright display for outdoor use, and a high quality traditional camera experience

Samsung Galaxy Z Fold3 5G Advantages:

  • Unique Foldable Design: Offers a larger, tablet-like screen for enhanced multitasking and media consumption.
  • Higher Resolution Display: Sharper visuals, leading to a more immersive viewing experience.
  • Superior Performance: Faster processing speeds and graphics performance for demanding applications and gaming.
  • Better Camera Performance: Enhanced photo and video quality.
  • Faster Reverse Wireless Charging: Charging other devices wirelessly at a faster rate.
  • More RAM: Improved multitasking capabilities, with 12GB of RAM
  • Latest Bluetooth Version: Benefit from better connection stability, speed and security for supported devices.

Practical Implications: The Fold3 is a productivity and media powerhouse, ideal for users who want a tablet-like experience in a pocketable device and are willing to sacrifice portability for these features

Trade-offs:

  • S21+: Compromises on processing power and screen size for portability and brightness.
  • Fold3: Compromises on portability, brightness and battery capacity for screen size and power.

3. User Profiles & Recommendations

Here are some ideal user profiles for each phone, with specific use cases:

Samsung Galaxy S21+ 5G Ideal Users:

  • General Consumer: Users who want a high-quality, reliable smartphone with a good camera and performance.
  • Outdoor Enthusiasts: Those who need a bright display for use in direct sunlight.
  • Content Creators: Users who require the 8K video recording capability and want to use more location-based apps.
  • Users who prefer traditional designs: Users who like the form factor of standard smartphones over foldable ones.

Use Cases:

  • Everyday use, including social media, browsing, and communication.
  • Capturing photos and videos in various lighting conditions.
  • Watching videos and consuming content in bright outdoor settings.
  • Using navigation and location-based apps with high accuracy.

Samsung Galaxy Z Fold3 5G Ideal Users:

  • Productivity Focused Professionals: Users who need to multitask and work on the go.
  • Media Enthusiasts: Those who enjoy watching videos, movies, and playing games on a large screen.
  • Tech Enthusiasts: Users who value the latest technologies and are attracted to the foldable design.
  • Mobile Gamers: Users who will use the enhanced processor and GPU for demanding mobile gaming.

Use Cases:

  • Multitasking between apps for work or school.
  • Watching videos or movies in a more immersive way.
  • Playing graphically intensive games with better responsiveness.
  • Viewing and editing documents, presentations, and spreadsheets on the go.

4. Decision Framework

Here are three key questions for buyers to consider:

  1. What's more important - Portability or Screen Size?

    • If portability and ease of use are paramount, the S21+ is better.
    • If a large, immersive screen experience is more crucial, the Fold3 is preferable.
  2. How much do I value Camera Quality and Video Recording?

    • If you need 8K video recording, high resolution telephoto shots, the S21+ is the better option.
    • If you want top tier photo quality, a better optical telephoto lens and don't need 8K video the Z Fold3 may be a better choice
  3. How important is Multitasking, Gaming and Performance?

    • If you need the fastest possible performance and are a big multi-tasker or gamer, the Fold3 is the better option.
    • If you need something that's a great all rounder and not overly focused on performance the S21+ is a great option.

Scenario-Based Recommendations:

  • Scenario 1: Frequent Traveler/Commuter:
    • Recommendation: S21+ for its lighter weight, better outdoor visibility, and ease of one-handed use.
  • Scenario 2: Office Professional/On-the-Go Worker:
    • Recommendation: Z Fold3 for its enhanced multitasking, larger screen for document editing, and powerful performance.
  • Scenario 3: Media Enthusiast/Gamer:
    • Recommendation: Z Fold3 for its larger screen, superior GPU, and enhanced multimedia experience.

My Choice and Why

After carefully considering the specifications and practical implications, I would choose the Samsung Galaxy Z Fold3 5G for my personal use.

Here's why:

  • Productivity and Multi-tasking: As someone who frequently juggles between emails, documents, and browsing on my mobile, the Z Fold3’s larger screen offers a significantly better experience for multi-tasking. The ability to run multiple apps side-by-side is a huge advantage for my workflow.
  • Enhanced Media Consumption: I enjoy watching videos and playing games on my phone, and the larger, higher-resolution display on the Fold3 provides a more immersive experience compared to the S21+.
  • Future-Proofing: The foldable technology and the Snapdragon 888 chipset make the Z Fold3 feel more cutting-edge and future-proof than the S21+. I am willing to accept the bulk and weight trade-offs in order to get access to the tech that the Z Fold3 offers.

While the Samsung Galaxy S21+ 5G is an excellent phone with a brighter display and a more traditional form factor, the Z Fold3's unique functionality and enhanced productivity features align better with my specific needs. I value the increased screen real estate and superior performance over the S21+’s portability and video-centric camera. The slight compromise in battery life is something that is acceptable given the feature set and enhanced use cases.

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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