Xiaomi Poco M3 vs Samsung Galaxy M55 - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date November 27, 2020 March 28, 2024
Release Year 2020 2024

Physical

Volume 120.44 cm³ 97.8 cm³
Screen Size to Weight Ratio 3.3 "/g 3.72 "/g
Weight 198 g 180 g
Height 162.3 mm 163.9 mm
Width 77.3 mm 76.5 mm
Thickness 9.6 mm 7.8 mm
Foldable Design No No
Available Colors
  • Cool Blue
  • Poco Yellow
  • Power Black
  • Light Green
  • Dark Blue

Display

Screen Size 6.53 " 6.7 "
Resolution 1080 x 2340 1080 x 2400
Aspect Ratio 19.5:9 20:9
Screen-to-Body Ratio 83.4 % 86.4 %
Pixel Density 395 PPI 393 PPI
Refresh Rate N/A 120 Hz
Typical Brightness 400 nits N/A
HBM Brightness N/A 1000 nits
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 140.71 mAh/in² 111.38 mAh/in²
Battery Density 49.82 mAh/cm³ 51.13 mAh/cm³
Battery Capacity 6000 mAh 5000 mAh
NFC Support No Yes
Chipset Qualcomm SM6115 Snapdragon 662 (11 nm) Qualcomm SM7450-AB Snapdragon 7 Gen 1 (4 nm)
CPU Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver) Octa-core (1x2.4 GHz Cortex-A710 & 3x2.36 GHz Cortex-A710 & 4x1.8 GHz Cortex-A510)
GPU Adreno 610 Adreno 644

Connectivity

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

Software

Operating System Android Android
Initial OS Version 10 14
Maximum OS Version

Comparison Summary

1. Specifications Comparison

FeatureXiaomi Poco M3Samsung Galaxy M55Practical Impact
Design
Dimensions162.3 x 77.3 x 9.6 mm163.9 x 76.5 x 7.8 mmM55 is slightly taller, narrower, and significantly thinner; likely more comfortable to hold and pocket.
Weight198g180gM55 is noticeably lighter, enhancing portability and comfort for extended use.
Display
Size6.53"6.7"M55 offers a slightly larger viewing area, better for media consumption and multitasking.
Resolution1080x23401080x2400Both offer similar sharpness, suitable for everyday use; slight difference not noticeable to most users.
PPI395393Virtually identical pixel density, both displays will appear similarly sharp.
TechnologyIPS LCDAMOLEDM55's AMOLED offers superior contrast, deeper blacks, and more vibrant colors. Significantly better viewing experience.
Refresh Rate60Hz120HzM55 has much smoother scrolling and animations, improving user experience for fast-paced content and gaming.
Brightness0 nits0 nitsIdentical brightness, though peak values are not available. Likely performs similarly in bright conditions.
Performance
ChipsetQualcomm Snapdragon 662 (11 nm)Qualcomm Snapdragon 7 Gen 1 (4 nm)M55's chipset is significantly more powerful and energy-efficient; Expect much faster performance in apps, games, and multitasking.
AnTuTu Score185,028698,000M55's much higher score indicates dramatically better overall performance and responsiveness.
GPUAdreno 610Adreno 644M55 offers vastly superior graphics performance, enabling better gaming and smoother visuals.
Camera
Standard Camera Resolution48MP50MPM55 has a slightly higher resolution main camera, but sensor details are not available, so the real impact is difficult to judge
Standard Camera Aperturef/1.79f/1.8Poco M3 has slightly wider aperture; theoretically better in low light, but sensor performance and image processing also play a huge role
Selfie Camera Resolution8MP50MPM55 offers a much higher resolution selfie camera, resulting in significantly more detailed self-portraits and video calls.
Selfie Camera Aperturef/2.0f/2.2Poco M3 has a slightly wider aperture selfie camera, but sensor and image processing affect low light results considerably.
Wide Angle LensNone8MPM55 provides the ability to take wide-angle photos, a useful tool not available on the Poco M3
Macro LensNone2MPM55 has a dedicated macro camera, a unique feature for close-up photography
Video1080p@30fps4K@30fps with OIS/EIS, 1080p@30/60fps with OIS/EISM55 provides significantly higher video recording quality, with 4K and optical image stabilization for smoother footage
Video StabilizationNoYesM55 offers OIS for smoother video recording; a significant advantage for moving shots
Slow-motion120 fps240 fpsM55 can capture smoother slow-motion videos due to its higher fps.
Camera FeaturesDigital zoom, Triple camera, Digital image stabilization, Autofocus, Touch focus, Manual focus, Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer4K 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-timerM55 has 4K video, OIS and PDAF. Poco M3 has manual focus.
Battery
Capacity6000mAh5000mAhPoco M3 has a larger battery capacity. Potentially longer battery life; real-world usage depends on efficiency of the chipset.
Charging18W45WM55 supports much faster charging, significantly reducing charging time.
Charging FeaturesReverse charging, 22.5W fast charger in-boxNon-removablePoco M3 offers reverse charging and comes with a faster charger in-box. M55 does not include a charger in the box and doesn't support reverse charging
Software
OSAndroid 10Android 14M55 runs on a significantly newer version of Android, offering the latest features, security, and optimizations.
Connectivity
WiFi802.11a/b/g/n/ac802.11a/b/g/n/ac/axM55 has WiFi 6 offering faster and more stable internet connection.
Bluetooth5.0 LE5.2M55 has a newer Bluetooth version with improved features for audio and peripherals
GPSGPS, A-GPS, GLONASS, Beidou, Galileo, NavIC SystemGPS, A-GPS, GLONASS, Beidou, QZSS, Galileo, NavIC SystemM55 has more satellite systems for better location accuracy.
Storage
Internal64GB or 128GB128GB or 256GBM55 offers more internal storage in all configurations, better for storing more files, media, and apps.
RAM4GB or 6GB8GBM55 has more RAM which results in better multitasking capabilities and smoother performance.
Expandable StorageNoNoNo option for external storage for both.
Audio
QualityHi-Res Audio, Stereo SpeakersDolby AtmosPoco M3 has better audio with Hi-Res and Stereo speakers. M55 features Dolby Atmos.
Security
FeaturesSide-mounted fingerprint sensorBasic fingerprint sensorPoco M3 has a side-mounted fingerprint sensor that's better placed for ergonomics, M55 fingerprint sensor not mentioned where it is placed.
Build Quality
Screen ProtectionCorning Gorilla Glass 3Corning Gorilla Glass 5M55 has superior protection on the screen.
Sensors
SensorsBiometric: Fingerprint; Motion: Accelerometer, Compass; Proximity: Ultrasonic proximity virtualBiometric: Fingerprint; Proximity: Proximity; Motion: Accelerometer, Compass, GyroscopeM55 includes more sensors, like Proximity and Gyroscope.

2. Key Differences Analysis

Xiaomi Poco M3 Advantages:

  • Larger Battery: The 6000mAh battery offers potentially longer battery life, especially for users who prioritize endurance.
  • Reverse Charging: Can charge other devices.
  • In-box Charger: Includes a 22.5W fast charger in the box.
  • Manual Focus: More photography features for users with advanced needs.
  • Hi-Res Audio and Stereo Speakers: Superior audio hardware.
  • Side-Mounted Fingerprint Sensor: More convenient for many users.
  • Lower Price Point: Likely more affordable, making it attractive for budget-conscious users.

Practical Implications: The Poco M3 prioritizes battery life and provides an option to charge other devices. The side-mounted fingerprint sensor is often ergonomically preferred.

Samsung Galaxy M55 Advantages:

  • Superior Display: AMOLED with 120Hz provides significantly better visuals and a smoother user experience.
  • Significantly Faster Performance: The Snapdragon 7 Gen 1 chipset offers much better overall performance, app loading, and gaming capabilities.
  • Better Camera System: Higher-resolution selfie camera, OIS for videos, 4K Video, and a dedicated wide-angle and macro lens offer more versatility and significantly improved image and video quality.
  • Faster Charging: 45W charging greatly reduces charging time, a considerable advantage for busy users.
  • More RAM: 8GB RAM means smoother multitasking capabilities.
  • More Storage: 256GB option offers much more space for files, media and apps.
  • Newer Software: Android 14 is a more modern operating system with latest features and security.
  • Better Connectivity: WiFi 6 and Bluetooth 5.2 for faster, more stable connections.
  • Screen Protection: Corning Gorilla Glass 5 offers better screen durability.
  • More Sensors: Gyroscope and Proximity sensor for advanced features and gaming.

Practical Implications: The M55 prioritizes performance, multimedia, and camera quality. The faster charging is very convenient, and the modern software improves the overall user experience.

Trade-offs:

  • Battery Life vs. Performance: Poco M3 has a larger battery, but M55's more efficient chipset balances the capacity difference.
  • Price vs. Features: M55 offers superior features at a higher price, while Poco M3 focuses on affordability.

3. User Profiles & Recommendations

Xiaomi Poco M3 Ideal User:

  • Budget-conscious buyers needing reliable performance for basic tasks
  • Users who value long battery life above all other features
  • Users who want the option of charging other devices on the go.
  • Users with a strong preference for audio quality

Specific Use Cases for Poco M3:

  • Everyday browsing, social media, and basic app usage
  • Users needing extended battery life for travel or work
  • Streaming Music on a budget
  • A great second phone for emergencies.

Samsung Galaxy M55 Ideal User:

  • Users who prioritize performance, camera, and display quality
  • Gamers who require smooth gameplay
  • Users who create content like high-quality video or photography
  • Users who prioritize faster charging and a seamless experience.
  • Users who want a future-proof device.

Specific Use Cases for Galaxy M55:

  • Mobile gaming
  • High-quality photography and videography
  • Multitasking heavy apps and tasks
  • Media consumption (videos, movies)

Price-to-Value Ratio:

  • Poco M3 offers a very good value for the low price segment, focusing on long battery life and usability.
  • Galaxy M55 justifies the higher price by providing a much better user experience with vastly superior performance, display, camera, and charging speed.

4. Decision Framework

Key Questions for Buyers:

  1. What is my budget? Poco M3 is a budget-friendly option, while M55 is mid-range with a higher price tag.
  2. How important is battery life? Poco M3 prioritizes battery, but M55 balances it with efficiency and fast charging.
  3. Do I need great multimedia capabilities? If you consume a lot of media, or take a lot of pictures and videos, the Samsung M55 is the better option with its superior display, camera and faster charging.

Scenario-Based Recommendations:

  • Scenario 1: Budget Conscious: If the budget is the primary concern, the Xiaomi Poco M3 is a solid choice for basic tasks and extended battery life.
  • Scenario 2: Performance and Multimedia Focus: For users who want high performance, a great display, and good camera quality, the Samsung Galaxy M55 is the better pick despite the higher cost.
  • Scenario 3: Daily Use, Balanced Performance: The Samsung Galaxy M55 is better suited for those who need a phone that excels in most areas, providing a great everyday user experience.

Personal Choice and Reasoning

If I were choosing between these two phones, I would pick the Samsung Galaxy M55. While the Poco M3 does offer a larger battery and is likely more affordable, the significant improvements in almost every other aspect of the M55 make it a much more compelling device for my needs.

Here's why:

  1. Display Quality: The AMOLED 120Hz display is a game-changer for daily use. It's much more enjoyable for browsing, watching videos, and gaming.
  2. Performance: The Snapdragon 7 Gen 1 provides a significant speed boost, making everyday tasks, multitasking, and gaming much smoother.
  3. Camera System: The M55's versatile camera system, especially with the high-resolution selfie camera, wide-angle, and macro lens, along with OIS, ensures much better picture and video quality.
  4. Faster Charging: 45W charging is a huge convenience, and the slightly smaller battery is easily offset by the quick charging.
  5. Future Proofing: The M55 has newer software, Wi-Fi, and Bluetooth standards making it more future proof.

While the Poco M3 is an excellent choice for those on a very tight budget who prioritize battery life, the overall package of the Galaxy M55 better aligns with my preference for a balanced experience with good performance, a great display, and a solid camera.

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.