Samsung Galaxy A42 5G vs Nokia G21 - Detailed Phone Comparison

Detailed Comparison

Specification
Nokia G21
Nokia G21
Nokia

General

Launch Date November 11, 2020 February 15, 2022
Release Year 2020 2022

Physical

Volume 107.31 cm³ 106.19 cm³
Screen Size to Weight Ratio 3.42 "/g 3.42 "/g
Weight 193 g 190 g
Height 164.4 mm 164.6 mm
Width 75.9 mm 75.9 mm
Thickness 8.6 mm 8.5 mm
Foldable Design No No
Available Colors
  • Prism Dot Black
  • Prism Dot White
  • Prism Dot Gray
  • Dusk
  • Nordic Blue

Display

Screen Size 6.6 " 6.5 "
Resolution 720 x 1600 720 x 1600
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 84.3 % 81.6 %
Pixel Density 266 PPI 270 PPI
Refresh Rate N/A 90 Hz
Typical Brightness N/A 400 nits
HBM Brightness N/A N/A
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 114.78 mAh/in² 119.53 mAh/in²
Battery Density 46.59 mAh/cm³ 47.56 mAh/cm³
Battery Capacity 5000 mAh 5050 mAh
NFC Support Yes Yes
Chipset Qualcomm SM7225 Snapdragon 750 5G (8 nm) Unisoc T606 (12 nm)
CPU Octa-core (2x2.2 GHz Kryo 570 & 6x1.8 GHz Kryo 570) Octa-core (2x1.6 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
GPU Adreno 619 Mali-G57 MP1

Connectivity

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

Software

Operating System Android Android
Initial OS Version 10 11
Maximum OS Version 13 13

Comparison Summary

1. Specifications Comparison

FeatureSamsung Galaxy A42 5GNokia G21Practical Impact
Design
Dimensions164.4 × 75.9 × 8.6 mm164.6 × 75.9 × 8.5 mmVirtually identical sizes; negligible difference in hand feel
Weight193g190gNegligible weight difference; both feel similar in hand
Display
Size6.6"6.5"Slightly larger screen on the A42 5G for slightly more immersive viewing
Resolution720x1600720x1600Identical sharpness; both are considered lower resolution for the screen size
PPI266270Similar pixel density, both screens will look similar in terms of sharpness
TechnologyAMOLEDIPS LCDA42 5G: Deeper blacks, better contrast, more vibrant colors; G21: Potentially better brightness for outdoor use; A42 5G has better power efficiency for dark themes
Refresh Rate60Hz90HzG21: Smoother scrolling and animations, more fluid user experience
Brightness0 nits0 nitsBoth phones have the same peak brightness, which is unknown and may be an issue
Performance
ChipsetQualcomm Snapdragon 750 5G (8 nm)Unisoc T606 (12 nm)A42 5G: Faster app loading, better multitasking, superior gaming performance, better 5G connectivity; G21: Less powerful, may struggle with demanding tasks
AnTuTu Score392,400253,300A42 5G significantly faster, will handle more complex tasks more smoothly.
GPUAdreno 619Mali-G57 MP1A42 5G: Superior graphics for gaming and video editing
Battery
Capacity5000mAh5050mAhVirtually identical battery life; both should last a full day with moderate use
Charging15W Fast Charging (Li-Polymer)18W Fast Charging (Li-Ion)G21: Slightly faster charging time to full battery
FeaturesNon-removableNon-removable, In box charger 10WG21: includes a slower charger in the box
Camera
Standard48MP, f/1.8, 1/2", 0.80µm50MP, f/1.8, 1/2.76", 0.64µmG21: Slightly higher megapixel count, A42 5G: Larger sensor, potentially better low light performance
Selfie20MP, f/2.2, 1.00µm8MP, f/2.0A42 5G: Much higher resolution for detailed selfies; G21: Wider aperture for slightly better low light selfies
Wide Angle5MP, f/2.2NoneA42 5G: Can capture wider scenes
Portrait5MP, f/2.4, 1/5", 1.12µm2MP, f/2.4A42 5G: Higher resolution for more detailed portrait mode photos
Macro5MP, f/2.4, 1/5", 1.12µm2MP, f/2.4A42 5G: Higher resolution for more detailed macro shots
Video4K@30fps, 1080p@30fps, 720p@480fps1080p@30fpsA42 5G: Superior video quality with 4K, slow-motion, suitable for content creation; G21: limited to 1080p recording
Features4K Video, PDAF, Quad cameraFront Flash, Triple cameraA42 5G: PDAF for faster focusing, more versatile quad-camera setup; G21: Front Flash for low light selfies
Software
OSAndroid 10, up to 13Android 11, up to 13G21: Starts on a slightly newer android version
Connectivity
WiFi802.11a/b/g/n/ac, Dual-band, Wi-Fi Direct802.11a/b/g/n, Dual-bandA42 5G: Faster Wi-Fi speeds with Wi-Fi Direct for device-to-device file transfers
Bluetooth5.0, More features5.0 LEA42 5G: More Bluetooth features for advanced accessories; G21: Bluetooth LE for low power use
GPSGPS, A-GPS, GLONASS, Beidou, GalileoGPS, A-GPS, GLONASS, Beidou, GalileoIdentical location tracking capabilities
SIMDual SIM Dual StandbyDual SIM Dual StandbyIdentical SIM capabilities
Storage
Internal128 GB64 GB or 128 GBBoth offers the same maximum storage
RAM4GB/6GB/8GB4GB/6GBA42 5G: Option for more RAM for better performance
ExpandableNoNoNeither phone offers extra storage via microSD card
Audio
QualityBasic audio2 microphonesG21: Better voice recording quality for phone calls
Security
FeaturesBasic fingerprint sensorside-mounted fingerprint sensorG21: A more convenient and generally faster side-mounted sensor
Sensors
SensorsFingerprint, Proximity, Accelerometer, Compass, GyroscopeFingerprint, Proximity, AccelerometerA42 5G: More advanced sensor suite, enabling more accurate location data and AR applications
Build Quality
ProtectionUnknownUnknownScreen protection is unknown for both devices

2. Key Differences Analysis

Samsung Galaxy A42 5G Advantages:

  • Superior Performance: Snapdragon 750 5G chipset offers significantly faster processing, better multitasking, and smoother gaming compared to the Unisoc T606.
  • Better Display: AMOLED screen provides superior contrast, deeper blacks, and more vibrant colors compared to the IPS LCD on the G21.
  • More Versatile Camera: Higher-resolution front camera, a wide-angle lens, and 4K video recording capabilities offer greater flexibility for different photography and videography needs.
  • More RAM: Option for 8GB of RAM, suitable for heavy multitasking and gaming.
  • More Comprehensive Connectivity: Supports advanced WiFi standards.

Nokia G21 Advantages:

  • Smoother Display: 90Hz refresh rate offers a noticeably smoother user experience compared to the 60Hz display of the A42 5G.
  • Slightly Faster Charging: 18W charging is slightly faster compared to the A42 5G's 15W.
  • Better Audio Recording: Equipped with 2 microphones.
  • Front Flash: The front-facing flash can help in low light photography.
  • Side-mounted Fingerprint: More convenient and responsive.

Significant Trade-offs:

  • A42 5G: sacrifices refresh rate and slightly faster charging for superior processing power, camera versatility and AMOLED screen.
  • G21: Sacrifices processing power and camera features for a smoother display and slightly faster charging.

3. User Profiles & Recommendations

Samsung Galaxy A42 5G Ideal Users:

  • Performance Enthusiasts: Users who value speed, smooth multitasking, and gaming performance.
  • Photography/Videography Enthusiasts: Users who want a versatile camera setup with high-resolution front camera and 4K video capabilities.
  • Content Consumers: Users who appreciate a vibrant display for watching videos and browsing social media
  • Gamers: Due to it's better GPU.
  • Users Who Use 5G: Due to 5G connectivity.

Specific Use Cases for A42 5G:

  • Mobile Gaming: Smooth and enjoyable gaming experiences due to its higher performance chipset and capable GPU.
  • Content Creation: 4K video recording and versatile camera system are suitable for creating social media content.
  • Media Consumption: AMOLED display provides a superior experience for watching videos and movies.
  • Heavy Multitasking: Higher RAM options allow multiple apps to run simultaneously without slowdowns.

Nokia G21 Ideal Users:

  • Casual Users: Users who prioritize a smooth display, long battery life, and convenient features.
  • Budget-Conscious Buyers: Users who want a decent smartphone experience without paying a premium.
  • Users who do calls frequently: Due to its 2 microphones.
  • Users that appreciate the side-mounted fingerprint: Convenient for unlocking.

Specific Use Cases for G21:

  • Everyday Use: Smooth scrolling and a long battery life for basic tasks like browsing, messaging, and social media.
  • Long Commutes: Smooth screen and long battery life.
  • Voice Calls: Improved audio quality due to the 2 microphones.
  • Basic Photography: Decent main camera and front flash for basic photography needs.

Price-to-Value Ratio:

  • If both are the same price, the A42 5G offers a better performance-to-value ratio for demanding users.
  • If the G21 is significantly cheaper, it offers good value for budget-conscious users, though it trades some performance.

4. Decision Framework

Key Questions to Consider:

  1. How important is performance for you? If you play demanding games or multitask heavily, the A42 5G is the clear choice.
  2. How much do you care about display quality? If you prefer vibrant colors and deep blacks, the A42 5G's AMOLED screen is superior. If you prioritize smoothness, the G21's 90Hz refresh rate might be preferable.
  3. What is your budget? If you're on a tight budget, the G21 provides a good basic experience, while the A42 5G costs more.

Scenario-Based Recommendations:

  • Scenario 1: You are a gamer or content creator. Recommendation: The Samsung Galaxy A42 5G is the better choice due to superior processing power, GPU, 4K video recording, and a versatile camera system.

  • Scenario 2: You need a phone for everyday tasks and don't care much for gaming. Recommendation: The Nokia G21 is a good choice due to its smoother display and longer battery life.

  • Scenario 3: You value display quality for media consumption. Recommendation: The Samsung Galaxy A42 5G is superior due to its AMOLED screen.

  • Scenario 4: You are budget-constrained, and you just need a basic phone. Recommendation: The Nokia G21 is a good option for basic use, while providing a smoother screen.

My Choice:

Given my preferences, I would choose the Samsung Galaxy A42 5G.

Here's why:

While I appreciate the smoother display of the Nokia G21, the overall package of the A42 5G is more compelling for my usage. I value the significantly better processing power, which will make the phone more responsive for my needs and also more future-proof. The AMOLED screen is also important to me, as I consume a lot of content on my phone. Additionally, the more versatile camera setup, particularly the 4K video and wide-angle lens, better suits my needs. While the G21 offers slightly faster charging, the overall performance boost of the A42 5G outweighs this for me.

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.