Samsung Galaxy S21 5G vs Nokia X20 - Detailed Phone Comparison

Detailed Comparison

Specification
Nokia X20
Nokia X20
Nokia

General

Launch Date January 29, 2021 May 12, 2021
Release Year 2021 2021

Physical

Volume 85.33 cm³ 122.5 cm³
Screen Size to Weight Ratio 3.67 "/g 3.03 "/g
Weight 169 g 220 g
Height 151.7 mm 168.9 mm
Width 71.2 mm 79.7 mm
Thickness 7.9 mm 9.1 mm
Foldable Design No No
Available Colors
  • Phantom White
  • Phantom Gray
  • Phantom Violet
  • Phantom Pink
  • Midnight Sun
  • Nordic Blue

Display

Screen Size 6.2 " 6.67 "
Resolution 1080 x 2400 1080 x 2400
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 85.9 % 79.8 %
Pixel Density 421 PPI 395 PPI
Refresh Rate 120 Hz N/A
Typical Brightness N/A 450 nits
HBM Brightness N/A N/A
Peak Brightness 1300 nits N/A

Hardware

Battery Capacity per Screen Area 104.06 mAh/in² 100.47 mAh/in²
Battery Density 46.88 mAh/cm³ 36.49 mAh/cm³
Battery Capacity 4000 mAh 4470 mAh
NFC Support Yes Yes
Chipset Exynos 2100 (5 nm) - International Qualcomm SM4350 Snapdragon 480 5G (8 nm)
CPU Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International Octa-core (2x2.0 GHz Kryo 460 & 6x1.8 GHz Kryo 460)
GPU Mali-G78 MP14 - International Adreno 619

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 11
Maximum OS Version 15 14

Comparison Summary

Smartphone Comparison: Samsung Galaxy S21 5G vs. Nokia X20

1. Specifications Comparison

FeatureSamsung Galaxy S21 5GNokia X20Practical Impact
Design
Dimensions151.7 x 71.2 x 7.9 mm168.9 x 79.7 x 9.1 mmS21 5G is more compact and easier to handle one-handed; X20 is noticeably larger.
Weight169g220gS21 5G is significantly lighter, more comfortable for long use.
Display
Size6.2"6.67"X20 has a larger display, better for media consumption.
Resolution1080 x 24001080 x 2400Both offer the same sharpness for regular use.
PPI421395S21 5G has slightly sharper text and images, though the difference is minor.
TechnologyAMOLEDIPS LCDS21 5G offers more vibrant colors, deeper blacks and better contrast.
Refresh Rate120Hz60HzS21 5G's display feels smoother during scrolling and gaming.
Brightness1300 nits0 nitsS21 5G is significantly more visible in bright sunlight (Nokia X20's nits is unknown and is assumed to be 0 for this analysis).
Performance
ChipsetExynos 2100 (5 nm)Snapdragon 480 5G (8 nm)S21 5G has a faster, more efficient processor, better for demanding apps/games.
AnTuTu Score749,100323,425S21 5G is significantly faster, making it more responsive for all tasks.
GPUMali-G78 MP14Adreno 619S21 5G has better graphical performance, especially for gaming.
Camera
Standard Camera12MP f/1.864MP f/1.79X20 has a higher resolution main camera, while S21 5G has a larger sensor pixel size.
Telephoto Camera64MP f/2.0NoneS21 5G has a dedicated telephoto camera for better zoom capabilities.
Selfie Camera10MP f/2.232MP f/2.0X20 has a higher resolution selfie camera, though S21 5G has larger sensor size.
Wide Angle Lens12.2MP f/2.25MPS21 5G's wide angle also has macro capabilities
Portrait lensNone2MPNokia X20 offers dedicated portrait lens for depth sensing
Macro lensNone2MPNokia X20 offers dedicated macro lens
Video RecordingUp to 8K@24fpsUp to 1080p@60fpsS21 5G can record at much higher resolutions, better for high-quality video capture.
DXOMark Mobile Score111N/AS21 5G's camera performance is tested and significantly higher.
DXOMark Selfie Score132N/AS21 5G's selfie performance is tested and significantly higher.
FeaturesOIS, Digital zoom, Optical zoomNoneS21 5G has more advanced camera features like OIS and optical zoom.
Battery
Capacity4000mAh4470mAhX20 has a slightly larger battery, potentially offering slightly longer battery life.
Charging25W18WS21 5G charges faster, reducing downtime.
Battery FeaturesWireless charging, reverse chargingNoneS21 5G offers more flexibility in charging other devices.
Other
OSAndroid 11, upgradable to 15Android 11, upgradable to 14S21 5G will get one extra year of OS updates.
WiFiWiFi 6 (802.11ax)802.11acS21 5G has support for the latest WiFi standard.
Internal Storage128/256GB128GBS21 5G provides more internal storage options.
Expandable StorageNoNoNeither phone supports expandable storage.
AudioDolby Atmos, stereo speakers2 microphonesS21 5G has better audio with Dolby Atmos and stereo speakers.
SecurityBasic fingerprint sensorside-mounted fingerprint sensorNokia X20 uses more convenient fingerprint sensor on the side
Screen protectionCorning Gorilla Glass VictusUnknownS21 5G provides better protection for the screen
SensorsBarometer, GeomagneticNo Barometer or GeomagneticS21 5G has more sensors, supporting additional features.

2. Key Differences Analysis

Samsung Galaxy S21 5G Advantages:

  • Superior Display: AMOLED with 120Hz refresh rate and higher brightness offers a much better visual experience with more vibrant colors and smoother animations.
  • Higher Performance: The Exynos 2100 chipset provides significantly better CPU and GPU performance for demanding apps and gaming.
  • Advanced Camera System: Better photo and video quality, with features like OIS, optical zoom, and 8K recording capabilities.
  • Wireless and Reverse Wireless Charging: Provides added convenience for charging.
  • Dolby Atmos and Stereo Speakers: Provides a superior audio experience with enhanced spatial audio.
  • Better Screen Protection: Corning Gorilla Glass Victus provides better screen protection.
  • More Software Support: One extra year of potential OS updates.

Nokia X20 Advantages:

  • Larger Display: Provides a more immersive experience for media consumption.
  • Higher Resolution Cameras: Higher megapixel count for standard and selfie cameras.
  • Slightly Larger Battery: Might offer slightly longer battery life.
  • Dedicated portrait and macro lens: Added versatility for specific photography needs.
  • Side-mounted fingerprint sensor: Offers easier and faster access to the device.
  • Potentially Lower Price: Nokia devices are typically more budget-friendly.

Trade-offs:

  • Samsung S21 5G: Smaller display, may have shorter battery life, no expandable storage and can be more expensive.
  • Nokia X20: Inferior display, much lower performance, significantly less advanced camera features, slower charging, missing key audio and sensor features, less screen protection.

3. User Profiles & Recommendations

Samsung Galaxy S21 5G Ideal User:

  • Power Users: Individuals who need top-tier performance for gaming, multitasking, and demanding applications.
  • Photography/Videography Enthusiasts: Users who value high-quality photos and videos and utilize advanced camera features.
  • Media Consumers: Users who enjoy vibrant visuals and smooth display experiences.
  • Tech Enthusiasts: Users who want the latest features and technology and are willing to pay a premium.

Use Cases:

  • Playing graphics-intensive mobile games.
  • Shooting and editing high-resolution video.
  • Consuming media with rich colors and smooth visuals.
  • Multitasking between multiple apps.
  • Using advanced software that needs robust performance.

Nokia X20 Ideal User:

  • Budget-Conscious Users: Users who want a reliable 5G device without breaking the bank.
  • Casual Users: Users who prioritize basic smartphone functions and don't need top-tier performance or advanced camera capabilities.
  • Users who prefer a Larger Screen: Users who value screen size over display quality and other advanced features.
  • Users who value convenience: The side-mounted fingerprint sensor may appeal to users looking for ease of use.
  • Users who prefer simplicity: The slightly simpler camera features may be preferred by some users.

Use Cases:

  • Web browsing, social media, and casual app use.
  • Viewing media (with acceptable quality).
  • Everyday photography in decent lighting conditions.
  • Basic mobile gaming.
  • Users who prefer a more simple operating system.

4. Decision Framework

Key Questions for Buyers:

  1. What is my budget? The Samsung Galaxy S21 5G is typically priced higher than the Nokia X20.
  2. What are my performance priorities? Do I need top-tier performance for gaming, or is basic usage enough?
  3. How important is the camera? Do I need advanced photo/video capabilities, or are basic shots acceptable?

Scenario-Based Recommendations:

  • Scenario 1: High Performance and Advanced Features Are Essential

    • Recommendation: Choose the Samsung Galaxy S21 5G. It offers superior performance, a much better display, and a more advanced camera system, justifying the higher price.
  • Scenario 2: Budget Is a Primary Concern, and Basic Usage is Sufficient
    • Recommendation: Choose the Nokia X20. It provides a functional 5G experience with a larger screen for a lower price.
  • Scenario 3: Balanced Performance and Camera Features
    • Recommendation: If camera is very important, neither is ideal. The S21 offers better results overall while the X20 offers higher resolution cameras that can sometimes provide better results for specific situations.

My Choice and Explanation

If I were choosing between these two phones, I would pick the Samsung Galaxy S21 5G.

Here’s why:

  • Display Experience: The AMOLED display with a 120Hz refresh rate is a significant advantage for me. I value vibrant colors, smooth animations, and good visibility in bright sunlight, which the S21 5G offers. The Nokia X20's IPS LCD display, while larger, doesn't come close to the visual fidelity offered by the S21.

  • Performance: I need a phone that can handle demanding tasks without lagging. The Exynos 2100 chipset in the S21 5G is substantially more powerful than the Snapdragon 480 in the Nokia X20, and the AnTuTu scores prove that. This extra power ensures a smoother experience across the board.

  • Camera Quality: I value good camera quality. The S21 5G’s camera system, with its OIS, optical zoom, and 8K video recording capabilities, is significantly more versatile than the Nokia X20's. While the X20 has higher megapixel counts in some cameras, it lacks many of the extra features that the S21 provides such as OIS.

  • Additional Features: The wireless charging, reverse charging, stereo speakers and Dolby Atmos, and extra sensors all add to a superior user experience that the X20 can not match.

While the Nokia X20 does have a slightly larger battery and a potentially lower price point, the overall experience offered by the Samsung Galaxy S21 5G is much better for my needs. The enhanced display, performance and camera systems make it worth the extra cost. I am willing to pay more for a device that can handle my needs well into the future, and for me, that is the S21.

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.