Motorola Moto G31 vs Samsung Galaxy M55 - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date December 6, 2021 March 28, 2024
Release Year 2021 2024

Physical

Volume 102.89 cm³ 97.8 cm³
Screen Size to Weight Ratio 3.54 "/g 3.72 "/g
Weight 181 g 180 g
Height 161.9 mm 163.9 mm
Width 73.9 mm 76.5 mm
Thickness 8.6 mm 7.8 mm
Foldable Design No No
Available Colors
  • Mineral Grey
  • Baby Blue
  • Light Green
  • Dark Blue

Display

Screen Size 6.4 " 6.7 "
Resolution 1080 x 2400 1080 x 2400
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 82.7 % 86.4 %
Pixel Density 411 PPI 393 PPI
Refresh Rate N/A 120 Hz
Typical Brightness N/A N/A
HBM Brightness N/A 1000 nits
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 122.07 mAh/in² 111.38 mAh/in²
Battery Density 48.59 mAh/cm³ 51.13 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support Yes Yes
Chipset Mediatek MT6769Z Helio G85 (12 nm) Qualcomm SM7450-AB Snapdragon 7 Gen 1 (4 nm)
CPU Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55) Octa-core (1x2.4 GHz Cortex-A710 & 3x2.36 GHz Cortex-A710 & 4x1.8 GHz Cortex-A510)
GPU Mali-G52 MC2 Adreno 644

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 11 14
Maximum OS Version

Comparison Summary

Alright, let's break down the Motorola Moto G31 and the Samsung Galaxy M55. I'll put on my tech journalist hat and get into the nitty-gritty to give you a clear picture of what each phone offers and who they're for.

1. Specifications Breakdown

FeatureMotorola Moto G31Samsung Galaxy M55Real-World Implications
Design
Dimensions161.9 x 73.9 x 8.6 mm163.9 x 76.5 x 7.8 mmM55 is slightly taller and wider but thinner, making it more pocketable. G31 is bulkier.
Weight181g180gBoth phones are almost identically weighted.
Display
Size6.4"6.7"M55 offers a slightly larger viewing area, good for media consumption.
Resolution1080x24001080x2400Sharp, clear visuals on both, but M55 has that bit of extra screen space.
PPI411393Both have great pixel density for crisp visuals. Slight advantage to G31, but barely noticeable to the human eye.
TechnologyAMOLEDAMOLEDVibrant colors, deep blacks, and great viewing angles on both.
Refresh Rate60Hz120HzM55 provides significantly smoother scrolling and animations. G31 is a bit choppy.
Brightness0 nits0 nitsBrightness is listed as 0 nits for both, so this is not usable for comparison. Assume similar brightness.
Performance
ChipsetMediatek Helio G85 (12 nm)Qualcomm Snapdragon 7 Gen 1 (4 nm)M55 is much more powerful, handling demanding tasks easily. G31 is okay for daily tasks but will struggle with heavy gaming or multi-tasking.
AnTuTu Score225,154698,000M55 is more future-proof, with way more headroom for performance.
GPUMali-G52 MC2Adreno 644M55 has much better graphics performance, giving it a clear gaming advantage.
Battery Life
Capacity5000mAh5000mAhBoth should offer all-day battery life, but usage will vary.
Charging10W45WM55 charges considerably faster, a huge convenience. G31 will take a long time to charge.
Battery TypeLi-PolymerLi-IonNegligible difference for everyday users, both are non-removable.
Camera
Standard Camera50MP, f/1.8, 1/2.76", 0.64 µm pixel size50MP, f/1.8Both offer decent standard camera performance for general photography. M55 is missing some spec information.
Selfie Camera13MP, f/2.2, 1.12 µm pixel size50MP, f/2.2M55 has a much higher resolution selfie camera. Better for detailed selfies and potentially good for video calls.
Wide-Angle8MP, f/2.0, 1.12 µm pixel size8MP, f/2.2, 1.12 µm pixel sizeG31 offers a slightly wider aperture. Both offer wide angle.
Macro Camera2MP, f/2.4, 1.75 µm pixel size2MP, f/2.4Both are basic macro lenses.
Video Recording1080p@30fps4K@30fps, 1080p@30/60fps with OIS/EISM55 takes much higher quality video with better stabilization and frame rates.
Camera FeaturesDigital Zoom, Optical Zoom, Triple Camera, Digital image stabilization, Autofocus, Touch focus, Phase detection autofocus (PDAF), Laser autofocus (LAF), Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, RAW4K Video, Digital zoom, Triple camera, Digital image stabilization, Optical Stabilization (OIS), Autofocus, Touch focus, Phase detection autofocus (PDAF), Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timerBoth are pretty packed with features but the M55 includes OIS and 4K video which is a big advantage.
Software
OSAndroid 11Android 14M55 offers a much more modern OS and will likely get longer software support.
Connectivity
WiFiWi-Fi 5Wi-Fi 6M55 has better WiFi tech offering faster speeds.
Bluetooth5.0 LE5.2M55 has newer Bluetooth that offers improved range, and speed.
GPSGPS, A-GPS, GLONASS, Beidou, SUPL, GalileoGPS, A-GPS, GLONASS, Beidou, QZSS, Galileo, NavIC SystemM55 supports more satellite systems.
SIMDual Nano SIMDual Nano SIMBoth support Dual SIM cards.
Storage
Internal64/128GB128/256GBM55 offers more storage.
RAM4GB8GBM55 has double the RAM, which makes multitasking a much smoother experience.
ExpandableNoNoNo extra storage can be added on either device.
Audio
QualityDolby Atmos, 2 microphonesDolby AtmosG31 offers 2 microphones for better voice capture, but both are Dolby Atmos compatible.
Security
Featuresside-mounted fingerprint sensorbasic fingerprint sensorG31 has a more modern sensor technology.
Build Quality
Screen ProtectionUnknownCorning Gorilla Glass 5M55 offers more protection against screen damage.
Sensors
SensorsFingerprint; Proximity; Accelerometer, Compass, Gyroscope, HallFingerprint; Proximity; Accelerometer, Compass, Gyroscope, GeomagneticBoth offer a comprehensive sensor suite. M55 lacks a Hall sensor but has geomagnetic.

2. Key Insights

Motorola Moto G31:

  • Strengths:
    • Decent AMOLED screen for its price point.
    • Okay for basic day-to-day tasks and light browsing.
    • Slightly better audio recording with dual microphones.
    • Offers a side-mounted fingerprint sensor, which is slightly better than the basic one on the M55.
  • Competitive Advantages:
    • More affordable for budget-conscious users.
  • Trade-offs/Limitations:
    • Significantly less powerful chipset and GPU compared to the Samsung.
    • Slower charging speed.
    • Older software, less likely to get future updates.
    • No screen protection listed which is concerning.

Samsung Galaxy M55:

  • Strengths:
    • Significantly more powerful processor and graphics.
    • Smoother display with a 120Hz refresh rate.
    • Much faster charging.
    • Better camera (higher resolution selfie camera, OIS).
    • More modern software (Android 14).
    • More storage space.
    • Corning Gorilla Glass 5 for better screen protection.
    • Supports the newer Wi-Fi 6 standard and the latest Bluetooth version.
  • Competitive Advantages:
    • Superior performance for gaming and multitasking.
    • More advanced and feature-rich camera capabilities.
    • Better future proofing thanks to more processing power and newer software.
  • Trade-offs/Limitations:
    • More expensive than the Motorola G31.
    • No expandable storage.
    • Uses a basic fingerprint sensor, which is less ideal than the side-mounted sensor.

3. User Profiles and Recommendations

Motorola Moto G31:

  • Best suited for:
    • Budget-conscious users who primarily need a phone for basic tasks, messaging, and browsing.
    • Users who prioritize a slightly better audio recording and basic functionality over high-performance gaming.
    • Users who prefer a side-mounted fingerprint sensor over the alternative.
  • Use Cases:
    • Everyday phone for calls, texts, and social media.
    • Media consumption such as watching videos (but remember the 60Hz refresh rate will not be as smooth as the 120Hz on the Samsung).

Samsung Galaxy M55:

  • Best suited for:
    • Users who need a high-performing phone that can handle gaming, multitasking, and demanding apps.
    • Users who want to future-proof their phone.
    • Users who prioritize camera quality, particularly selfie enthusiasts and those who capture a lot of video.
    • Users who want a smooth and fast user experience.
  • Use Cases:
    • Mobile gaming.
    • Photo and video editing.
    • Media creation and consumption.
    • Productivity on the go.
    • Those who will use it as their main device.

4. Buying Decision Framework

Here are three key questions to help you choose:

  1. What's my budget?
    • If you have a strict budget, the Moto G31 will save you money but you will sacrifice power and smoothness.
  2. How important is performance?
    • If you need a powerful device for gaming or multitasking, the M55 is the better option.
  3. Which features do I value the most?
    • If you prioritize camera quality, video recording, and smooth software, the M55 is the obvious choice.

Scenario-based Recommendations:

  • Scenario 1: The Casual User
    • If you are a casual user who only uses a phone for basic calls, messaging and social media, the Motorola Moto G31 will likely suffice.
  • Scenario 2: The Gamer/Power User
    • If you are a gamer or power user and need more processing power and faster speeds, the Samsung Galaxy M55 is a much more suitable device.
  • Scenario 3: The Photography Enthusiast
    • If you take a lot of photos and videos, the Samsung Galaxy M55 with its better camera and 4K recording with OIS is the clear choice.

My Choice and Why

If I had to choose between these two phones, I would definitely pick the Samsung Galaxy M55. While the Motorola Moto G31 is more budget-friendly, the vast difference in performance, the much better display with a 120Hz refresh rate, significantly faster charging and higher storage and RAM make the M55 the better choice by far. The better camera on the M55 also provides a more versatile option. I think the overall experience will be much more enjoyable, and with the newer software the M55 will likely get more updates and therefore be a more future-proof device.

The G31's budget price is compelling, but I believe the value proposition on the M55 is far greater.

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.