Xiaomi Poco X3 GT vs Samsung Galaxy M55 - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date August 19, 2021 March 28, 2024
Release Year 2021 2024

Physical

Volume 110.31 cm³ 97.8 cm³
Screen Size to Weight Ratio 3.42 "/g 3.72 "/g
Weight 193 g 180 g
Height 163.3 mm 163.9 mm
Width 75.9 mm 76.5 mm
Thickness 8.9 mm 7.8 mm
Foldable Design No No
Available Colors
  • Cloud White
  • Stargaze Black
  • Wave Blue
  • Light Green
  • Dark Blue

Display

Screen Size 6.6 " 6.7 "
Resolution 1080 x 2400 1080 x 2400
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 84.9 % 86.4 %
Pixel Density 399 PPI 393 PPI
Refresh Rate 120 Hz 120 Hz
Typical Brightness 450 nits N/A
HBM Brightness N/A 1000 nits
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 114.78 mAh/in² 111.38 mAh/in²
Battery Density 45.33 mAh/cm³ 51.13 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support Yes Yes
Chipset Mediatek Dimensity 1100 (6 nm) Qualcomm SM7450-AB Snapdragon 7 Gen 1 (4 nm)
CPU Octa-core (4x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55) Octa-core (1x2.4 GHz Cortex-A710 & 3x2.36 GHz Cortex-A710 & 4x1.8 GHz Cortex-A510)
GPU Mali-G77 MC9 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

Okay, let's break down the Xiaomi Poco X3 GT and the Samsung Galaxy M55, diving deep into their specs and how they translate to the user experience.

1. Specifications Breakdown

Here's a detailed table comparing the key technical specifications of both phones, along with their real-world implications:

FeatureXiaomi Poco X3 GTSamsung Galaxy M55Real-World Implications
Design
Dimensions163.3 × 75.9 × 8.9 mm163.9 × 76.5 × 7.8 mmThe M55 is slightly thinner making it a touch more comfortable. The X3 GT is slightly smaller. Volume is similar
Weight193g180gM55 is noticeably lighter, may be more comfortable for prolonged use.
BuildGorilla Glass Victus Front, Plastic Back & FrameGorilla Glass 5 Front, Plastic Back & FrameX3 GT has slightly better glass protection.
Display
Size6.6"6.7"M55 offers a bit more screen real estate.
Resolution1080x24001080x2400Both offer sharp visuals and similar pixel density.
TechnologyIPS LCDAMOLEDM55 offers superior contrast, richer colors, and better power efficiency with dark themes.
Refresh Rate120Hz120HzSmooth scrolling and fluid animations on both.
Brightness0 nits0 nitsBoth have similar peak brightness - need real world testing, but they should behave similarly.
Performance
ChipsetMediatek Dimensity 1100 (6 nm)Qualcomm Snapdragon 7 Gen 1 (4 nm)X3 GT's chip provides a slightly higher benchmark performance. However, the M55's chip is more power efficient, better battery.
AnTuTu Score745,283698,000X3 GT shows marginally better raw processing power.
GPUMali-G77 MC9Adreno 644Different architectures, real-world performance will depend on the task.
RAM8 GB8 GBAmple memory for multitasking and gaming on both devices.
Camera
Rear Camera (Main)64MP (f/1.79)50MP (f/1.8)X3 GT has higher resolution, and wider aperture.
Rear Camera (Wide)N/A8MP (f/2.2)M55 has a dedicated wide-angle camera for capturing more of the scene.
Rear Camera (Macro)N/A2MP (f/2.4)M55 has a dedicated macro camera for close-up shots.
Selfie Camera16MP (f/2.45)50MP (f/2.2)M55 offers significantly higher resolution, and slightly better aperture for selfies.
Video4K@30fps, 1080p up to 120fps4K@30fps with OIS, 1080p up to 60fps with OIS & EISM55 has superior video stabilization, OIS.
Camera FeaturesUltra stable video, Manual focus, RAW, Night ModeOptical Stabilization (OIS), Phase detection autofocus (PDAF)X3 GT offers more shooting controls, the M55 excels in stabilization and autofocus.
Battery Life
Capacity5000mAh5000mAhSimilar battery life, generally good for all-day use.
Charging67W fast charging45W fast chargingX3 GT charges faster than the M55 by almost 50%.
Software
Operating SystemAndroid 11Android 14M55 ships with a more up-to-date OS.
Audio
QualityDolby Atmos, Hi-Res Audio, Stereo Speakers, 2 microphonesDolby AtmosX3 GT has better audio playback and capture.
Connectivity
Wi-FiWi-Fi 6Wi-Fi 6Latest standards supported on both.
Bluetooth5.2 LE, APT-x, LDAC, AAC5.2, LDAC, SBCSimilar core features, M55 has a broader range of profiles.
GPSGPS, A-GPS, GLONASS, Beidou, QZSS, Galileo, BeiDou (B1)GPS, A-GPS, GLONASS, Beidou, QZSS, Galileo, NavIC SystemM55 supports more satellite systems for more accurate location data.
Storage & SIM
Internal Storage128 GB or 256 GB128 GB or 256 GBBoth offer the same storage options.
Expandable StorageNoNoNo microSD support on either device.
SIMDual SIM Dual Standby (Nano SIM + Nano SIM)Dual SIM Dual Standby (Nano SIM + Nano SIM)Both phones support Dual SIM usage.
Security
Biometricsside-mounted fingerprint sensorbasic fingerprint sensorX3 GT offers a side-mounted sensor. Both phones offer basic biometric security.
Sensors
SensorsAccelerometer, Compass, Gyroscope, Ultrasonic proximity virtualAccelerometer, Compass, Gyroscope, Proximity, GeomagneticM55 has a more comprehensive suite of sensors.

2. Key Insights

  • Xiaomi Poco X3 GT Strengths:

    • Marginally Better Performance: The Dimensity 1100 chipset gives it a slight edge in benchmarks.
    • Faster Charging: 67W charging significantly reduces downtime.
    • Better Audio: Hi-Res audio, stereo speakers and dual microphones offer a superior audio experience.
    • Better Front Screen Protection: Gorilla Glass Victus is a stronger glass and is more likely to survive a fall.
    • Advanced Fingerprint Sensor: Offers better security than the basic fingerprint sensor on the M55.
  • Samsung Galaxy M55 Strengths:

    • Superior Display: AMOLED technology offers vibrant visuals and better power efficiency.
    • More Versatile Camera System: The inclusion of wide and macro lenses adds flexibility.
    • Superior Selfies: 50MP selfie camera offers significant detail.
    • Better Video Stabilization: OIS and EIS ensure smoother, more professional video footage.
    • Up-to-date software: Ships with Android 14.
    • Improved Location Accuracy: Supports more satellite systems, resulting in more precise GPS tracking.
    • More comprehensive set of sensors: Offers more sensors, potentially enabling advanced features or gaming experiences.
    • Lighter: more comfortable for prolonged use.
  • Trade-offs:

    • The X3 GT sacrifices camera versatility (no wide/macro lenses) for a slight performance boost, and faster charging.
    • The M55 offers superior display and camera features, but may be slightly slower.
    • Neither device has expandable storage.

3. User Profiles and Recommendations

  • Xiaomi Poco X3 GT is Best For:

    • Gamers and Performance Enthusiasts: Users who prioritize raw processing power, particularly those who game frequently.
    • Media Consumers: The enhanced audio provides a great media experience.
    • Users Who Need Quick Charging: Those who value the fastest possible charging speeds.
    • Cost-conscious buyers who value performance over everything else: The X3 GT has a better price to performance ratio.
  • Samsung Galaxy M55 is Best For:

    • Photography and Videography Enthusiasts: Users who prioritize camera versatility, higher resolution selfies and the ability to take wide and macro shots.
    • Content Creators: Those who need smooth, stable video footage.
    • Multimedia Lovers: Users who enjoy watching videos and consuming content with superior screen quality.
    • Those who value Software Updates: The M55 comes with a newer operating system and is more likely to get the latest software updates.
    • Users Who Need Accurate Location Data: Individuals who need to know their location accurately, or who use navigation often.

4. Buying Decision Framework

Here are three questions to help users decide:

  1. Do you prioritize raw performance and quick charging above all else? If yes, the X3 GT may be the better choice.
  2. Do you value a top-notch screen and versatile camera system? If yes, the M55 will likely be more satisfying.
  3. Do you need cutting edge software and long-term support? If yes, the M55 will be better, as it offers a newer software, and will be updated for longer.
  • Scenario-Based Recommendations:
    • Gaming: If you're looking to play demanding games, the X3 GT might be the slightly better choice but for the general gamer, both will likely perform similarly.
    • Content Creation: If you plan to shoot a lot of video, the M55 with its video stabilization capabilities is the clear winner.
    • Photography: If you want a camera that's flexible with a dedicated wide and macro camera, the M55 is the better bet.
    • Daily Use: For day-to-day tasks, both phones perform admirably, but the M55's display provides a more enjoyable experience.
    • Cost Sensitive Buyers: If you value performance on a budget, the X3 GT may be the right fit.
    • Long Term Users: If you plan on using your phone for many years, the M55 will get software updates for longer, and therefore last longer.

My Choice

If I had to choose between these two phones, I would pick the Samsung Galaxy M55. While the X3 GT has a slight edge in raw performance and faster charging, the M55 offers a more well-rounded package that better fits my personal preferences. The AMOLED display is fantastic for media consumption, and the versatile camera system—especially the video stabilization—is something I find very valuable in day-to-day life. The improved location accuracy is also a plus, and the fact that it has a more up-to-date software also increases its longevity.

While the X3 GT offers a better price to performance ratio, the M55's combination of features, better display, improved camera and up to date software is something I value more. Ultimately, the M55 would simply enhance my daily experiences more and is the option I would choose for myself.

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.