Samsung Galaxy S21 5G vs Nokia G21 - Detailed Phone Comparison

Detailed Comparison

Specification
Nokia G21
Nokia G21
Nokia

General

Launch Date January 29, 2021 February 15, 2022
Release Year 2021 2022

Physical

Volume 85.33 cm³ 106.19 cm³
Screen Size to Weight Ratio 3.67 "/g 3.42 "/g
Weight 169 g 190 g
Height 151.7 mm 164.6 mm
Width 71.2 mm 75.9 mm
Thickness 7.9 mm 8.5 mm
Foldable Design No No
Available Colors
  • Phantom White
  • Phantom Gray
  • Phantom Violet
  • Phantom Pink
  • Dusk
  • Nordic Blue

Display

Screen Size 6.2 " 6.5 "
Resolution 1080 x 2400 720 x 1600
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 85.9 % 81.6 %
Pixel Density 421 PPI 270 PPI
Refresh Rate 120 Hz 90 Hz
Typical Brightness N/A 400 nits
HBM Brightness N/A N/A
Peak Brightness 1300 nits N/A

Hardware

Battery Capacity per Screen Area 104.06 mAh/in² 119.53 mAh/in²
Battery Density 46.88 mAh/cm³ 47.56 mAh/cm³
Battery Capacity 4000 mAh 5050 mAh
NFC Support Yes Yes
Chipset Exynos 2100 (5 nm) - International Unisoc T606 (12 nm)
CPU Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International Octa-core (2x1.6 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
GPU Mali-G78 MP14 - International Mali-G57 MP1

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 13

Comparison Summary

Smartphone Comparison: Samsung Galaxy S21 5G vs. Nokia G21

1. Specifications Comparison

FeatureSamsung Galaxy S21 5GNokia G21Practical Impact
Design
Dimensions151.7 × 71.2 × 7.9 mm164.6 × 75.9 × 8.5 mmS21 is more compact and pocketable; G21 is larger and might be less comfortable for small hands.
Weight169g190gS21 is significantly lighter, making it more comfortable for extended use.
Display
Size6.2"6.5"G21 has a slightly larger screen, better for media consumption if size is a priority.
Resolution1080x2400720x1600S21 has a much sharper and clearer display, noticeable in text and images.
Pixel Density421 PPI270 PPIS21's higher pixel density results in a significantly more detailed and less pixelated display.
TechnologyAMOLEDIPS LCDS21 has superior contrast, black levels, color vibrancy and power efficiency with dark themes.
Refresh Rate120Hz90HzS21 offers smoother scrolling and animations.
Brightness1300 nits0 nitsS21 is much better for outdoor use in bright sunlight. Nokia's brightness is unknown which is a major drawback for outdoor visibility
Performance
ChipsetExynos 2100 (5 nm)Unisoc T606 (12 nm)S21's chipset is much faster, resulting in smoother app performance and gaming.
AnTuTu Score749,100253,300S21 offers dramatically faster performance, better for demanding tasks and games.
GPUMali-G78 MP14Mali-G57 MP1S21's GPU provides superior graphics performance for gaming and demanding apps.
RAM8 GB4 GB or 6 GBS21 has more RAM, better for multitasking and handling demanding applications.
Camera
Main Camera Resolution12MP50MPG21 has a higher resolution sensor, but S21 has larger sensor pixels that can potentially result in better low-light performance.
Main Sensor Size1/1.76"1/2.76"S21's larger sensor can capture more light, potentially leading to better low-light photos.
Telephoto LensYes (64MP)NoS21 has an optical telephoto zoom lens for closer shots without digital zoom artifacts.
Ultra-wide LensYes (12.2MP)NoS21 can capture expansive photos.
Macro LensNoYes (2MP)G21 can take close-up macro photos.
Selfie Camera Resolution10MP8MPS21 has a slightly higher resolution selfie camera.
Selfie Camera Aperturef/2.2f/2.0Nokia selfie camera has a wider aperture, potentially better low light selfies
Video RecordingUp to 8K@24fpsUp to 1080p@30fpsS21 can record much higher resolution and has more advanced video features such as HDR.
DXOMark Mobile Score111Not TestedS21 has demonstrated good mobile camera performance.
DXOMark Selfie Score132Not TestedS21 has demonstrated very good selfie camera performance.
Battery
Capacity4000mAh5050mAhG21 has a significantly larger battery and should provide longer battery life but battery life depends on software and usage optimization.
Charging25W Fast Charging18W Fast ChargingS21 charges faster than the G21.
Wireless ChargingYes, 15WNoS21 supports wireless charging.
Reverse ChargingYesNoS21 can charge other wireless devices like earbuds or other phones.
In-box chargerNo10WNokia comes with a charger in the box, while the Samsung does not.
Software
OSAndroid 11, upgradeable to 15Android 11, upgradeable to 13S21 will have longer software support, but both OS are outdated at the time of comparison.
Connectivity
WiFiWiFi 6 (802.11ax)802.11nS21 supports newer WiFi standards for faster and more efficient connections.
Bluetooth5.0, Extensive Features5.0, Limited FeaturesS21 has more Bluetooth features for better compatibility with accessories.
GPSGPS (L1+L5), Galileo (E1+E5a)GPSS21 has more satellite support for better GPS accuracy.
Storage
Internal Storage128GB/256GB64GB/128GBS21 offers a higher storage capacity option.
Expandable StorageNoNoNeither phone has expandable storage.
Other
AudioDolby Atmos, Stereo Speakers2 microphonesS21 provides superior audio features including better music and video playback.
SecurityBasic Fingerprint SensorSide-mounted Fingerprint SensorG21 offers a more user-friendly side-mounted fingerprint sensor.
Screen ProtectionGorilla Glass VictusUnknownS21 has stronger screen protection against scratches.
SensorsCompass, Gyroscope, BarometerAccelerometerS21 offers more sensors for advanced features and applications.

2. Key Differences Analysis

Samsung Galaxy S21 5G Advantages:

  • Superior Display: The AMOLED display with higher resolution, refresh rate, and brightness provides a much better viewing experience, especially in direct sunlight.
  • Significantly Better Performance: The Exynos 2100 chipset offers much faster processing speeds and better graphics performance, ideal for demanding games and apps.
  • More Versatile Camera System: The S21 has a telephoto lens, ultra-wide lens and can record higher resolution videos.
  • Advanced Features: Wireless charging, reverse wireless charging, and a more comprehensive set of sensors provide added convenience and functionality.
  • Faster Charging: Offers faster wired charging.
  • Better Audio: Stereo speakers and Dolby Atmos provide a more immersive audio experience.
  • Longer software updates: Supports the later OS updates up to Android 15

Nokia G21 Advantages:

  • Larger Battery: The larger 5050mAh battery is likely to provide longer battery life, a key advantage for users who prioritize endurance.
  • Macro Lens: Includes a dedicated macro lens for close-up photography.
  • In Box Charger: Includes a charger in the box.
  • Lower Price: The G21 is usually a more affordable option.

Significant Trade-offs:

  • The S21 offers significantly better performance and display quality at the expense of battery life and price.
  • The G21 prioritizes battery life and includes a charger in the box at the cost of lower processing power, display quality, and camera capabilities.
  • Both phones lack expandable storage which might be a deal-breaker for users with large media libraries.

3. User Profiles & Recommendations

Samsung Galaxy S21 5G:

  • Ideal User: Power users, mobile gamers, social media enthusiasts, and anyone who values top-tier performance, a high-quality display, and advanced camera features.
  • Use Cases:
    • Mobile gaming with demanding titles.
    • High-resolution video recording and editing.
    • Viewing HDR content.
    • Multitasking with various apps.
    • Capturing high-quality photos and videos in various conditions.
  • Price-to-Value: While more expensive, the S21 offers a premium experience and excellent value for users seeking top-tier performance and features, but the lack of a charger in box might be a deal breaker.

Nokia G21:

  • Ideal User: Budget-conscious consumers, those who prioritize battery life, users who need a simple and reliable device for daily tasks.
  • Use Cases:
    • Basic everyday tasks like calling, texting, and browsing.
    • Long battery life without frequent charging.
    • Casual photography, with close-up macro photography.
    • Users who prefer in box chargers.
  • Price-to-Value: The G21 offers good value for users who are on a budget and are willing to sacrifice high-end features for a lower price and good battery life.

4. Decision Framework

Key Questions for Buyers:

  1. Performance Requirements: How important is smooth and fast performance for your daily tasks, and will you be gaming or using demanding apps?
  2. Display Quality: Do you prioritize high-resolution, vibrant colors, and visibility in bright sunlight, or is a standard display sufficient?
  3. Battery Life: Is it more important for you to have all-day battery life with less need for frequent charging, or do you prioritize advanced features with potentially shorter battery life?

Scenario-Based Recommendations:

  • Scenario 1 (Power User): If you frequently play mobile games, edit photos/videos, or multitask with demanding apps, the Samsung Galaxy S21 5G is the better choice due to its superior performance, display, and camera.
  • Scenario 2 (Budget-Conscious, Long Battery): If your main priority is long battery life, and you are looking for a budget-friendly, reliable phone for everyday tasks, the Nokia G21 is the more suitable option.
  • Scenario 3 (Balanced User): If you want a phone that balances performance and battery life and don't require flagship-level features, the Samsung Galaxy S21 5G is still recommended since it provides better camera, display, and overall user experience.

My Choice

Given the information, I would choose the Samsung Galaxy S21 5G. The significantly better display quality, much faster performance, more versatile camera system, and the presence of features like wireless charging and stereo speakers make it a superior overall experience. Even though the Nokia G21 has a larger battery, the S21's performance advantage and better features outweigh the Nokia's longer battery life. While the S21 doesn't include a charger, I can easily purchase a suitable one separately. For my own usage, the S21's strengths in camera, performance, and display are significantly more important than slightly longer battery life which could be mitigated by carrying a power bank, if needed. I also value better video quality and the S21's 8k recording is a must have for me. I also prioritize better quality photos and prefer the telephoto lens in 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.

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Bridging technical complexity with engaging, accessible narratives.