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

Detailed Comparison

Specification

General

Launch Date January 29, 2021 January 7, 2022
Release Year 2021 2022

Physical

Volume 111.09 cm³ 91.64 cm³
Screen Size to Weight Ratio 3 "/g 3.62 "/g
Weight 227 g 177 g
Height 165.1 mm 155.7 mm
Width 75.6 mm 74.5 mm
Thickness 8.9 mm 7.9 mm
Foldable Design No No
Available Colors
  • Phantom Black
  • Phantom Silver
  • Phantom Titanium
  • Phantom Navy
  • Phantom Brown
  • Navy
  • White
  • Graphite
  • Lavender
  • Olive

Display

Screen Size 6.8 " 6.4 "
Resolution 1440 x 3200 1080 x 2340
Aspect Ratio 20:9 19.5:9
Screen-to-Body Ratio 89.4 % 86.7 %
Pixel Density 515 PPI 403 PPI
Refresh Rate 120 Hz 120 Hz
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 109.86 mAh/in²
Battery Density 45.01 mAh/cm³ 49.11 mAh/cm³
Battery Capacity 5000 mAh 4500 mAh
NFC Support Yes Yes
Chipset Exynos 2100 (5 nm) - International Qualcomm SM8350 Snapdragon 888 5G (5 nm) - Version 1
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) - Version 1
GPU Mali-G78 MP14 - International Adreno 660 - Version 1

Connectivity

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

Software

Operating System Android Android
Initial OS Version 11 12
Maximum OS Version 15 16

Comparison Summary

1. Specifications Comparison

Here's a detailed comparison of the Samsung Galaxy S21 Ultra 5G and the Samsung Galaxy S21 FE 5G, focusing on real-world implications:

Design

FeatureSamsung Galaxy S21 Ultra 5GSamsung Galaxy S21 FE 5GPractical Impact
Dimensions165.1 × 75.6 × 8.9 mm155.7 × 74.5 × 7.9 mmS21 Ultra is larger and bulkier, less comfortable for single-handed use or smaller hands. S21 FE is more compact and pocketable.
Weight227g177gS21 FE is significantly lighter, making it more comfortable for extended use, less tiring for holding while watching videos or reading. S21 Ultra can feel heavier for long periods of use.
BuildNot SpecifiedNot SpecifiedInformation is not provided regarding materials.

Display

FeatureSamsung Galaxy S21 Ultra 5GSamsung Galaxy S21 FE 5GPractical Impact
Size6.8"6.4"S21 Ultra provides a larger viewing area, better for media consumption, gaming, and multitasking. S21 FE is more compact, suitable for those who prefer smaller phones.
Resolution1440x32001080x2340S21 Ultra has a noticeably sharper display with higher pixel density, resulting in clearer text, images, and videos. S21 FE's display is still sharp but not as detailed.
PPI515403S21 Ultra offers crisper images with less pixelation, particularly noticeable when viewing high-resolution photos or videos. S21 FE's lower PPI may show slight pixelation on close inspection.
TechnologyAMOLEDAMOLEDBoth offer vibrant colors, deep blacks, and excellent contrast for a premium viewing experience.
Refresh Rate120Hz120HzBoth offer smooth scrolling and animations, a noticeable upgrade for general use, gaming, and browsing experience.
Brightness1500 nits1300 nitsS21 Ultra is better for outdoor visibility in bright sunlight. S21 FE still performs well outdoors but may not be as readable in extreme conditions.

Performance

FeatureSamsung Galaxy S21 Ultra 5GSamsung Galaxy S21 FE 5GPractical Impact
ChipsetExynos 2100 (5 nm)Qualcomm Snapdragon 888 (5 nm)S21 FE's Snapdragon 888 generally offers superior performance and better efficiency for gaming and demanding tasks. The S21 Ultra's Exynos 2100 is still powerful but might not be as smooth in some situations.
AnTuTu Score749,000923,836S21 FE offers faster app loading, smoother operation, and better overall system performance. S21 Ultra is still smooth but may not feel as responsive in direct comparison.
GPUMali-G78 MP14Adreno 660S21 FE's Adreno 660 provides better gaming performance and overall graphics rendering. The S21 Ultra's GPU performs well but might show slight differences in gaming smoothness.

Camera

FeatureSamsung Galaxy S21 Ultra 5GSamsung Galaxy S21 FE 5GPractical Impact
Main Camera108MP, f/1.8, 1/1.33" sensor12MP, f/1.8, 1/1.76" sensorS21 Ultra captures more detail and has superior low-light performance thanks to the larger sensor. S21 FE is still capable for everyday shots but lacks the high resolution detail.
Telephoto + Portrait Camera10.8MP, f/2.48MP, f/2.0S21 FE has a wider aperture which is slightly beneficial in low-light scenarios. S21 Ultra has higher megapixel count. Both are useful for zoomed photos and portrait modes.
Selfie Camera44MP, f/2.2, 1/2.65" sensor32MP, f/2.2, 1/2.8" sensorS21 Ultra takes more detailed selfies and has a slightly larger sensor, which can lead to better low-light selfies. S21 FE's selfie camera performs well for everyday use.
Telephoto Lens10.8MP, f/4.9No Telephoto LensS21 Ultra offers a dedicated telephoto lens for more versatile zoom capabilities, a feature completely missing from the S21 FE.
Wide Angle + Macro Camera12.2MP, f/2.2, 1/2.55" sensor13MP, f/2.2, 1/3.06" sensorS21 Ultra offers a larger sensor for capturing wider and more detailed shots. S21 FE offers a slightly higher megapixel count but a smaller sensor.
Video8K@24fps, 4K@60fps4K@60fpsS21 Ultra supports 8K video recording, offering higher detail for professional-grade video content. Both offer 4k recording at 60fps.
DxOMark (Mobile)115117S21 FE slightly edges out the S21 Ultra for overall mobile camera performance.
DxOMark (Selfie)135127S21 Ultra significantly outperforms the S21 FE in selfie camera quality.

Battery

FeatureSamsung Galaxy S21 Ultra 5GSamsung Galaxy S21 FE 5GPractical Impact
Capacity5000mAh4500mAhS21 Ultra has better battery endurance, especially with its larger display and features. S21 FE provides a day's use, but heavy users may need to recharge.
Charging25W Fast Charging25W Fast ChargingBoth phones charge quickly and conveniently, however the time to full charge might be slightly different.
FeaturesWireless 15W, Reverse 9WWireless 15W, Reverse 4.5WBoth support wireless charging. S21 Ultra can reverse charge other devices at faster speeds. S21 FE reverse wireless charging is significantly lower.

Other

FeatureSamsung Galaxy S21 Ultra 5GSamsung Galaxy S21 FE 5GPractical Impact
OSAndroid 11 (Upgradable to 15)Android 12 (Upgradable to 16)S21 FE has a newer OS out-of-the-box, possibly giving a slightly longer support cycle for updates.
Bluetooth5.25.0S21 Ultra has a newer version of Bluetooth which may be slightly more efficient.
GPSL1+L5L1S21 Ultra offers more accurate location tracking with dual-frequency GPS.
Internal Storage128/256/512GB128/256GBS21 Ultra offers more storage options for users who need more space for media.
RAM12/16GB6/8GBS21 Ultra handles heavy multitasking better, with more available RAM for running numerous apps simultaneously.
Expandable StorageNoNoNeither phone supports expandable storage.
AudioHi-Res, Dolby Atmos, Stereo SpeakersDolby Atmos, Stereo SpeakersS21 Ultra has slight edge in audio quality offering Hi-Res support.
SecurityBasic Fingerprint SensorBasic Fingerprint SensorBoth offer similar biometric security.
Screen ProtectionGorilla Glass VictusGorilla Glass VictusBoth phones offer similar protection from scratches and drops.
SensorsComprehensive suite of sensors.Comprehensive suite of sensors.Both phones have a similar set of sensors.

2. Key Differences Analysis

Samsung Galaxy S21 Ultra 5G Advantages:

  • Superior Display: Larger, higher-resolution display with higher PPI and brightness. This results in a more immersive viewing experience, better clarity for detailed images and videos, and improved visibility in bright sunlight.
  • Enhanced Camera System: Better main sensor, dedicated telephoto lens with zoom, better performing selfie camera with larger sensor and 8K video recording. The telephoto lens is a significant advantage for zoom photography.
  • Larger Battery & Faster Reverse Wireless Charging: Longer battery life for heavy use and the ability to charge other devices more quickly wirelessly, which is a more convenient way to share power.
  • More RAM & Storage Options: Better multitasking capabilities with more RAM and larger storage configurations, especially the 512GB option, catering to power users.
  • Better GPS and Audio: More accurate location tracking with dual-band GPS and slightly superior audio experience with Hi-Res support.

Practical Implications for S21 Ultra: Ideal for users who value top-tier display quality, versatile and advanced camera capabilities, long battery life, extensive storage and RAM options, and more accurate GPS.

Samsung Galaxy S21 FE 5G Advantages:

  • Lighter and More Compact: Easier to handle and more pocketable, ideal for users who prefer a more ergonomic design.
  • Faster Performance: Snapdragon 888 provides a more powerful and efficient processing experience.
  • Better Main Camera DxOMark Score: Superior main camera mobile score based on DxOMark tests with much cheaper price point.
  • Newer OS out of the box With Android 12 and upgradable to 16, the S21 FE potentially has a longer software support lifespan.

Practical Implications for S21 FE: Ideal for users who prefer a lighter, more compact phone with a faster processor, and better main camera mobile performance.

Significant Trade-offs:

  • S21 Ultra: Bulkier and heavier with less advanced processor.
  • S21 FE: Inferior display, camera capabilities and battery life as well as significantly less versatile telephoto lens and less storage and RAM options.

3. User Profiles & Recommendations

Samsung Galaxy S21 Ultra 5G:

  • Ideal User: Power users, photography enthusiasts, content creators, heavy media consumers, professionals who need a reliable and versatile device.
  • Specific Use Cases:
    • Professional photography/videography: Capturing high-quality images and videos with its advanced camera setup, 8K recording, telephoto lens and better overall performance for video and selfie camera.
    • Mobile gaming and heavy multitasking: Smooth performance with ample RAM and larger display.
    • Long trips or extended usage scenarios where battery life and GPS accuracy are crucial
    • Users who require extensive storage for media
  • Price-to-Value: High price point but justified by its top-tier specs and premium features.

Samsung Galaxy S21 FE 5G:

  • Ideal User: Users who prefer a lighter, more compact phone with a fast processor, gamers, and users who prioritize performance and value.
  • Specific Use Cases:
    • Everyday usage and light gaming: Fast performance for daily tasks, social media, and popular mobile games.
    • Users looking for a balanced smartphone without premium features: More price-efficient alternative with a very good main camera, without sacrificing performance.
    • Users who prefer a more compact and ergonomic design for comfortable, one-handed use
  • Price-to-Value: Lower price point than the S21 Ultra, making it a more affordable option with a better performance.

4. Decision Framework

Key Questions for Buyers:

  1. What are my priorities? (Display quality, camera versatility, performance, battery life, size/weight, price)
  2. How will I use my phone most? (Gaming, photography, media consumption, productivity, basic daily tasks)
  3. What's my budget? (Are you willing to spend more for top-tier features, or prioritize value?)

Scenario-Based Recommendations:

  • Scenario 1: Professional Photographer/Videographer: Choose the S21 Ultra for its versatile camera system, 8K video, and telephoto lens for zoom.
  • Scenario 2: Hardcore Mobile Gamer: Choose the S21 FE for its faster Snapdragon processor and slightly better main camera DxOMark score at a significantly lower price point.
  • Scenario 3: Everyday User With Media Consumption: Choose the S21 Ultra for its larger and higher quality display.
  • Scenario 4: User on a Budget: Choose the S21 FE for being significantly cheaper and still having a very good main camera and good performance.

My Choice

If I were choosing, I would pick the Samsung Galaxy S21 Ultra 5G.

Reasons:

  • Display: As someone who consumes a lot of content on my phone, the larger, higher-resolution display of the S21 Ultra is a significant advantage for a more immersive viewing experience.
  • Camera Versatility: I appreciate having a dedicated telephoto lens for zoom photography and I like the flexibility of the high quality main camera and selfie camera.
  • Battery Life: The larger battery of the S21 Ultra is important for me, as I often use my phone for extended periods of time without a charger.
  • RAM and Storage: The higher RAM allows for smoother multitasking and the larger storage options provide ample space for media and apps without having to worry about running out of space.

While the S21 FE offers better performance and a more compact design at a lower price point, I am willing to sacrifice that for the superior display, camera versatility, better battery life and more RAM and storage options of the S21 Ultra.

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.