Xiaomi Poco X3 NFC vs Samsung Galaxy A42 5G - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date September 8, 2020 November 11, 2020
Release Year 2020 2020

Physical

Volume 119.33 cm³ 107.31 cm³
Screen Size to Weight Ratio 3.1 "/g 3.42 "/g
Weight 215 g 193 g
Height 165.3 mm 164.4 mm
Width 76.8 mm 75.9 mm
Thickness 9.4 mm 8.6 mm
Foldable Design No No
Available Colors
  • Cobalt Blue
  • Shadow Gray
  • Prism Dot Black
  • Prism Dot White
  • Prism Dot Gray

Display

Screen Size 6.67 " 6.6 "
Resolution 1080 x 2400 720 x 1600
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 84.6 % 84.3 %
Pixel Density 395 PPI 266 PPI
Refresh Rate 120 Hz N/A
Typical Brightness 450 nits N/A
HBM Brightness N/A N/A
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 115.98 mAh/in² 114.78 mAh/in²
Battery Density 43.24 mAh/cm³ 46.59 mAh/cm³
Battery Capacity 5160 mAh 5000 mAh
NFC Support Yes Yes
Chipset Qualcomm SM7150-AC Snapdragon 732G (8 nm) Qualcomm SM7225 Snapdragon 750 5G (8 nm)
CPU Octa-core (2x2.3 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver) Octa-core (2x2.2 GHz Kryo 570 & 6x1.8 GHz Kryo 570)
GPU Adreno 618 Adreno 619

Connectivity

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

Software

Operating System Android Android
Initial OS Version 10 10
Maximum OS Version 12 13

Comparison Summary

1. Specifications Comparison

Design

FeatureXiaomi Poco X3 NFCSamsung Galaxy A42 5GPractical Impact
Dimensions165.3 × 76.8 × 9.4 mm164.4 × 75.9 × 8.6 mmPoco X3 NFC is slightly thicker and has a larger overall volume, potentially making it less comfortable for some users.
Weight215g193gGalaxy A42 5G is noticeably lighter, which can be more comfortable for extended use and carrying around.
Build Quality (Screen Protection)Corning Gorilla Glass 5UnknownPoco X3 NFC offers better screen protection against scratches and drops.

Display

FeatureXiaomi Poco X3 NFCSamsung Galaxy A42 5GPractical Impact
Size6.67"6.6"Negligible difference in screen size.
Resolution1080x2400720x1600Poco X3 NFC has a significantly sharper and clearer display, better for viewing photos, videos, and text.
PPI395266Higher pixel density on the Poco X3 NFC results in a noticeably sharper image.
TechnologyIPS LCDAMOLEDGalaxy A42 5G has superior contrast, deeper blacks, and potentially better power efficiency with dark themes, resulting in more vibrant colors.
Refresh Rate120Hz60HzPoco X3 NFC offers smoother scrolling, animations, and gaming experience.
Brightness0 nits0 nitsUnable to compare brightness without specification values, impacts outdoor visibility.

Performance

FeatureXiaomi Poco X3 NFCSamsung Galaxy A42 5GPractical Impact
ChipsetQualcomm Snapdragon 732G (8 nm)Qualcomm Snapdragon 750 5G (8 nm)Galaxy A42 5G's chipset is slightly newer and supports 5G connectivity.
AnTuTu Score328,145392,400Galaxy A42 5G is expected to provide smoother performance in demanding tasks and gaming, however, neither phone is a powerhouse.
GPUAdreno 618Adreno 619Galaxy A42 5G's GPU may offer slightly better graphics performance, however, gaming performance on both is similar.

Camera

FeatureXiaomi Poco X3 NFCSamsung Galaxy A42 5GPractical Impact
Main Camera Resolution64MP48MPPoco X3 NFC captures more detailed photos, especially in good lighting conditions.
Main Camera Aperturef/1.89f/1.8Galaxy A42 5G's wider aperture may result in slightly better low-light performance.
Main Camera Sensor Size1/1.7"1/2"Poco X3 NFC's larger sensor captures more light, potentially improving image quality, dynamic range, and low-light performance.
Wide-Angle Lens Resolution13MP5MPPoco X3 NFC captures more detailed wide-angle shots.
Selfie Camera Resolution20MP20MPSimilar selfie camera resolution.
Video RecordingUp to 4K@30fps (EIS)Up to 4K@30fpsBoth phones offer similar video recording capabilities.

Battery

FeatureXiaomi Poco X3 NFCSamsung Galaxy A42 5GPractical Impact
Capacity5160mAh5000mAhBoth phones offer similar battery life, typically lasting a full day for moderate users.
Charging33W Fast Charging15W Fast ChargingPoco X3 NFC charges significantly faster, reducing downtime.

Other

FeatureXiaomi Poco X3 NFCSamsung Galaxy A42 5GPractical Impact
Operating System (Max Version)Android 12Android 13Galaxy A42 5G will receive one more major Android update than the Poco X3 NFC.
5G ConnectivityNoYesGalaxy A42 5G supports 5G networks for faster download and upload speeds.
Expandable StorageNoNoNeither phone supports expandable storage, which is a downside for users with large media libraries.

2. Key Differences Analysis

Xiaomi Poco X3 NFC Advantages:

  • Sharper Display: Higher resolution and PPI provide a clearer and more detailed visual experience.
  • Smoother Display: 120Hz refresh rate offers smoother scrolling and animations.
  • Faster Charging: 33W charging allows for significantly quicker battery top-ups.
  • Better Main Camera: Higher resolution sensor and larger sensor size for better image quality.
  • Better Ultrawide Camera: Higher resolution sensor for better image quality.
  • Better Audio: Includes stereo speakers and a noise cancellation microphone.
  • Screen Protection: Corning Gorilla Glass 5 offers better durability.

Practical Implications:

  • Poco X3 NFC is better for users who prioritize visual clarity, smooth performance, and fast charging. It takes better-looking pictures in most scenarios and has better sound.

Samsung Galaxy A42 5G Advantages:

  • 5G Connectivity: Supports next-generation mobile networks for faster data speeds (where available).
  • AMOLED Display: Offers superior contrast, deeper blacks, and potentially better power efficiency with dark themes.
  • Newer Android Version: Likely to receive updates for a longer period.
  • Lighter Weight: More comfortable to hold for extended periods.
  • Slightly Better Performance: Marginal performance boost due to slightly better chipset.

Practical Implications:

  • Galaxy A42 5G is a better choice for users who want future-proof connectivity (5G), prefer vibrant colors and deep blacks on their display, and value software support longevity.

Trade-offs:

  • Poco X3 NFC sacrifices 5G connectivity and display technology for a sharper, smoother display and faster charging.
  • Galaxy A42 5G sacrifices display sharpness and charging speed for 5G connectivity and an AMOLED screen.

3. User Profiles & Recommendations

Xiaomi Poco X3 NFC:

  • Ideal User: Gamers, media consumers, and anyone who values a smooth and responsive display and fast charging. Users who prioritize camera quality.
  • Use Cases: Playing fast-paced games, watching videos, browsing social media, and taking photos/videos.
  • Price-to-Value: Offers excellent value for its price, especially considering its display and charging capabilities.

Samsung Galaxy A42 5G:

  • Ideal User: Users who want to future-proof their purchase with 5G connectivity and prefer the vibrant colors and deep blacks of an AMOLED display.
  • Use Cases: Streaming high-resolution content, video conferencing, and browsing the web on 5G networks.
  • Price-to-Value: A decent value, but the lack of a high-resolution display is a drawback considering its other strengths.

4. Decision Framework

Key Questions for Buyers:

  1. Is 5G connectivity a must-have? If yes, the Galaxy A42 5G is the clear choice.
  2. Do I prioritize display sharpness and smoothness over AMOLED technology? If yes, the Poco X3 NFC is preferable.
  3. How important is fast charging? If it's crucial, the Poco X3 NFC's 33W charging is a significant advantage.

Scenario-Based Recommendations:

  • Scenario 1: Mobile Gaming Enthusiast: Poco X3 NFC - The 120Hz display and faster charging provide a better gaming experience.
  • Scenario 2: Future-Proofing for 5G: Galaxy A42 5G - The 5G connectivity ensures compatibility with next-generation networks.
  • Scenario 3: Media Consumption in Low Light: Galaxy A42 5G - The AMOLED display offers better contrast and deeper blacks for enjoyable viewing in dark environments.
  • Scenario 4: Photography Enthusiast on a Budget: Poco X3 NFC - The better main camera and ultrawide camera will be more beneficial than the other phone.

My Choice

If I were choosing between these two phones, I would pick the Xiaomi Poco X3 NFC. While the Samsung Galaxy A42 5G offers 5G connectivity and an AMOLED display, the Poco X3 NFC's combination of a sharper and smoother 120Hz display, faster charging, and better camera is more compelling for my needs.

I value the overall user experience more than future-proofing with 5G, especially considering 5G infrastructure is not fully developed in all areas. The visual clarity, smooth scrolling, and quicker charging would make a more noticeable difference in my day-to-day usage. It is also worth noting that the sound quality on the X3 NFC is better with the stereo speakers.

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.