Motorola Moto G31 vs Samsung Galaxy A15 - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date December 6, 2021 December 16, 2023
Release Year 2021 2023

Physical

Volume 102.89 cm³ 103.28 cm³
Screen Size to Weight Ratio 3.54 "/g 3.25 "/g
Weight 181 g 200 g
Height 161.9 mm 160.1 mm
Width 73.9 mm 76.8 mm
Thickness 8.6 mm 8.4 mm
Foldable Design No No
Available Colors
  • Mineral Grey
  • Baby Blue
  • Brave Black
  • Optimistic Blue
  • Magical Blue
  • Personality Yellow

Display

Screen Size 6.4 " 6.5 "
Resolution 1080 x 2400 1080 x 2340
Aspect Ratio 20:9 19.5:9
Screen-to-Body Ratio 82.7 % 84.3 %
Pixel Density 411 PPI 396 PPI
Refresh Rate N/A 90 Hz
Typical Brightness N/A N/A
HBM Brightness N/A 800 nits
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 122.07 mAh/in² 118.34 mAh/in²
Battery Density 48.59 mAh/cm³ 48.41 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support Yes Yes
Chipset Mediatek MT6769Z Helio G85 (12 nm) Mediatek Helio G99 (6 nm)
CPU Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55) Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU Mali-G52 MC2 Mali-G57 MC2

Connectivity

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

Software

Operating System Android Android
Initial OS Version 11 14
Maximum OS Version 17

Comparison Summary

Okay, let's dive into a detailed comparison of the Motorola Moto G31 and the Samsung Galaxy A15. I'll break down the specs, highlight the key differences, and help you figure out which phone might be the better fit for you.

1. Specifications Breakdown

Here's a table comparing the key specs of the Moto G31 and Galaxy A15, focusing on real-world implications:

FeatureMotorola Moto G31Samsung Galaxy A15Real-World Implications
Design
Dimensions161.9 x 73.9 x 8.6mm160.1 x 76.8 x 8.4mmMoto G31 slightly taller, A15 slightly wider. Both are similar in thickness.
Weight181g200gMoto G31 is noticeably lighter, more comfortable for extended use.
Display
Size6.4"6.5"Similar size for viewing content.
Resolution1080x24001080x2340Both offer sharp, crisp visuals.
PPI411396Very similar pixel density for crisp images.
TechnologyAMOLEDAMOLEDBoth offer vibrant colors, deep blacks, and good contrast.
Refresh Rate60Hz90HzGalaxy A15 offers smoother scrolling and animations.
Brightness0 nits800 nitsGalaxy A15 offers significantly better visibility in bright sunlight.
Performance
ChipsetMediatek Helio G85Mediatek Helio G99Galaxy A15’s chipset is significantly faster and more efficient.
AnTuTu Score225,154442,500Galaxy A15 delivers much better performance: faster apps, multitasking and gaming.
GPUMali-G52 MC2Mali-G57 MC2Galaxy A15’s GPU provides better graphics performance.
Camera
Main Camera50MP, f/1.850MP, f/1.8Similar standard camera, good for everyday photos.
Selfie Camera13MP, f/2.213MP, f/2.0Galaxy A15 has wider aperture for better low-light selfies.
Wide-Angle Lens8MP, f/2.05MP, f/2.2Moto G31 has a higher resolution and wider aperture for wider shots.
Macro Lens2MP, f/2.42MP, f/2.4Similar macro performance for close-up shots.
Video Recording1080p@30fps1080p@30fpsBoth capture standard video, Galaxy A15 can do 240fps slow-motion.
Camera FeaturesOptical Zoom, PDAF, LAF, RAWManual FocusMoto G31 offers more advanced focus and zoom, A15 gives manual control.
Battery Life
Capacity5000mAh5000mAhBoth should offer good full-day battery life.
Charging10W25WGalaxy A15 charges much faster, reducing downtime.
Software
OSAndroid 11Android 14Galaxy A15 has a newer operating system with more features and updates.
Storage
Internal64GB/128GB128GB/256GBA15 offers more storage options.
RAM4GB4GB/6GB/8GBA15 has better RAM options for better multitasking.
Expandable StorageNoNoNeither has expandable storage.
Connectivity
Wi-Fi802.11a/b/g/n/ac802.11a/b/g/n/acBoth support dual band.
Bluetooth5.05.2A15 has a newer Bluetooth version.
GPSYes, incl. SUPLYesSimilar location capabilities.

2. Key Insights

Motorola Moto G31 Strengths:

  • Lighter Build: The Moto G31 is noticeably lighter at 181g, making it more comfortable for prolonged use.
  • Wide-Angle Camera: The Moto G31 has a higher resolution wide-angle lens, which is good for capturing expansive scenes.
  • Advanced Camera Features: Extras like optical zoom, phase-detection autofocus (PDAF), laser autofocus (LAF), and RAW support offer more flexibility for photography enthusiasts.
  • Audio: Dolby Atmos support adds enhanced audio quality for compatible content.

Samsung Galaxy A15 Strengths:

  • Superior Performance: The Helio G99 chipset and higher AnTuTu score provide significantly faster app loading, smoother multitasking, and better gaming performance.
  • Brighter Display: The 800 nits brightness display is a game-changer for outdoor use, making it much easier to see the screen in direct sunlight.
  • Smoother Display: 90Hz refresh rate provides better user experience when navigating the UI.
  • Faster Charging: 25W fast charging means less time plugged into the wall and more time using your phone.
  • Newer Android Version: Android 14 provides a more modern software experience with additional features and security.
  • Storage & RAM: A15 offers more storage options and RAM, useful for multitasking.
  • Selfie Camera: A slightly wider f/2.0 aperture on the selfie camera means better low-light performance.
  • Better Bluetooth: Bluetooth 5.2 offers more efficient connection.

Trade-offs:

  • Moto G31: Sacrifices performance and screen brightness for lighter weight and more advanced camera features. Also older OS.
  • Galaxy A15: Is a bit heavier but packs in a much better screen, processor, and battery charging.

3. User Profiles and Recommendations

Motorola Moto G31 is best for:

  • Casual Users: Those who prioritize a lighter phone and don't need top-tier gaming or processing power.
  • Photography Enthusiasts (on a budget): Users who appreciate advanced camera features like optical zoom, RAW capture, and wider shots.
  • Audio Lovers: Those who want enhanced audio from Dolby Atmos.

Samsung Galaxy A15 is best for:

  • Power Users: Those who need a phone for demanding tasks like gaming, multitasking, or video editing on the go.
  • Outdoor Use: People who need excellent screen visibility even in bright sunlight.
  • Everyday Performance: Those who prefer a device that handles everyday tasks quickly and efficiently.
  • Users that want latest software: Android 14 provides a modern UI and security features.

4. Buying Decision Framework

Here are three questions to guide your decision:

  1. How important is smooth performance and gaming? If you want smooth, fast performance, the Galaxy A15 is the clear winner.
  2. Do you often use your phone in bright sunlight? If yes, the Galaxy A15's significantly brighter screen makes it far more practical.
  3. Do you prioritize camera features or overall speed? If you value advanced camera features (and don't mind a bit slower performance) go for the Moto G31. If you value better overall performance and a good experience all around, choose the Galaxy A15.

Scenario-Based Recommendations:

  • Scenario 1: "I want a phone for basic social media and watching videos on the go."

    • Recommendation: Galaxy A15 due to its brighter screen and faster performance.
  • Scenario 2: "I'm a photography enthusiast on a budget and love to explore creative shots."

    • Recommendation: Moto G31 for its more versatile camera system, optical zoom and RAW capabilities.
  • Scenario 3: "I play a lot of mobile games and need a responsive phone."

    • Recommendation: Galaxy A15 for its powerful processor, better display and higher refresh rate.

My Choice

If I were choosing between these two, I would personally go for the Samsung Galaxy A15.

Here's why:

  • Performance Matters: As someone who uses my phone for work, social media, and some gaming, the significantly better performance of the Galaxy A15 is a game-changer. The difference in the AnTuTu benchmark is substantial, and that translates to real-world usage.
  • Screen Visibility: I often find myself using my phone outdoors, and a bright screen is essential for me. The 800 nits on the Galaxy A15 makes a huge difference.
  • Smoother Experience: The 90Hz refresh rate provides a much nicer user experience than the 60Hz one.
  • Modern OS: The latest Android version means you will enjoy longer software support and get more features than with the older OS.
  • Overall Package: While I appreciate the Moto G31's lighter weight and some advanced camera features, the A15 offers a more well-rounded package that better fits my everyday needs. The faster charging, more storage, and modern Android software are big wins for me.

Essentially, the Galaxy A15 delivers a significantly better experience in the areas that matter most to me – performance, screen quality, and modern features, making it the better investment for my needs despite the slightly heavier form factor.

Alex Griffin
Alex Griffin

Technology analyst specializing in mobile devices and consumer electronics.

Core Expertise

  • Mobile technology analysis
  • Consumer electronics evaluation
  • Technical specification interpretation
  • User experience insights

Professional Mission Empowering readers to make informed technology decisions by transforming intricate specifications into understandable, practical guidance.

Demystifying technology, one device at a time.