Xiaomi Poco M3 vs Realme 12x - Detailed Phone Comparison

Detailed Comparison

Specification
Realme 12x
Realme 12x
Realme

General

Launch Date November 27, 2020 April 7, 2024
Release Year 2020 2024

Physical

Volume 120.44 cm³ 99.56 cm³
Screen Size to Weight Ratio 3.3 "/g 3.51 "/g
Weight 198 g 190 g
Height 162.3 mm 165.6 mm
Width 77.3 mm 76.1 mm
Thickness 9.6 mm 7.9 mm
Foldable Design No No
Available Colors
  • Cool Blue
  • Poco Yellow
  • Power Black
  • Glowing Black
  • Feather Green

Display

Screen Size 6.53 " 6.67 "
Resolution 1080 x 2340 720 x 1604
Aspect Ratio 19.5:9 20:9
Screen-to-Body Ratio 83.4 % 85.1 %
Pixel Density 395 PPI 264 PPI
Refresh Rate N/A 120 Hz
Typical Brightness 400 nits N/A
HBM Brightness N/A 625 nits
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 140.71 mAh/in² 112.39 mAh/in²
Battery Density 49.82 mAh/cm³ 50.22 mAh/cm³
Battery Capacity 6000 mAh 5000 mAh
NFC Support No Yes
Chipset Qualcomm SM6115 Snapdragon 662 (11 nm) Mediatek Dimensity 6100+ (6 nm)
CPU Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver) Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU Adreno 610 Mali-G57 MC2

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 14
Maximum OS Version

Comparison Summary

1. Specifications Comparison

Here's a detailed comparison of the Xiaomi Poco M3 and Realme 12x, focusing on the practical implications of their specifications:

FeatureXiaomi Poco M3Realme 12xPractical Impact
Design
Launch Date2020-11-272024-04-07The Realme 12x is significantly newer, benefiting from more recent technology and software.
Dimensions162.3 × 77.3 × 9.6 mm, 198g165.6 × 76.1 × 7.9 mm, 190gRealme 12x is taller but slimmer and lighter, making it generally more comfortable for extended use and easier to pocket.
Display
Size6.53"6.67"Realme 12x has a slightly larger screen, offering a more immersive viewing experience.
Resolution1080x2340720x1604Xiaomi Poco M3 has a much sharper display, resulting in clearer text and images, and better overall visual quality.
Pixel Density (PPI)395264Xiaomi Poco M3 provides crisper visuals with higher detail, a notable advantage for reading and detailed content.
TechnologyIPS LCDIPS LCDBoth use the same display technology; expect comparable color reproduction and viewing angles.
Refresh Rate60Hz120HzRealme 12x offers significantly smoother scrolling and animations, making the user interface feel more responsive and fluid.
Brightness0 nits0 nitsBoth have identical peak brightness, which is not specified, making it hard to gauge outdoor visibility; likely a cost-saving measure on both devices.
Performance
ChipsetQualcomm Snapdragon 662 (11 nm)Mediatek Dimensity 6100+ (6 nm)Realme 12x's newer chipset is much more powerful, leading to significantly faster app loading, smoother multitasking, and better gaming.
AnTuTu Score185,028442,599The Realme 12x scores significantly higher, indicating a much more responsive and capable phone for daily tasks and gaming.
GPUAdreno 610Mali-G57 MC2The Realme 12x's GPU delivers better graphics performance, essential for gaming and graphic-intensive applications.
Camera
Main Camera48MP, f/1.79, 1/2" sensor50MP, f/1.8Realme 12x has slightly higher resolution. Xiaomi Poco M3 has a wider aperture, potentially better low-light performance.
Selfie Camera8MP, f/2.0, 1/4" sensor8MP, f/2.1Xiaomi Poco M3 has a slightly wider aperture, likely offering better low-light selfies.
Depth CameraNone2MP, f/2.4Realme 12x has a dedicated depth sensor to enhance portrait mode photos.
Video Recording1080p@30fps1080p@30fpsBoth record similar quality video, suitable for standard use.
FeaturesTriple 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-timerDual Camera, Digital image stabilization, Autofocus, Touch focus, Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timerXiaomi Poco M3 adds manual focus capabilities, while Realme 12x features dual camera setup.
Battery
Capacity6000mAh5000mAhXiaomi Poco M3 has a larger battery, likely providing longer battery life for most users, but actual usage can vary.
Charging18W Fast Charging15W Fast ChargingXiaomi Poco M3 charges slightly faster.
FeaturesReverse charging, 22.5W fast charger in-boxNon-removableXiaomi Poco M3 can act as a power bank to charge other devices, also comes with a faster charger in box.
Software
OSAndroid 10Android 14Realme 12x has the latest Android version, providing access to newer features, security updates and optimizations.
Connectivity
WiFi802.11a/b/g/n/ac, Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display802.11a/b/g/n/ac, Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi DisplayBoth phones have identical WiFi connectivity, offering the same speed and connection features.
Bluetooth5.0 LE5.2 LERealme 12x uses a newer version of Bluetooth, potentially providing slightly better performance and power efficiency.
GPSGPS, A-GPS, GLONASS, Beidou, Galileo, NavIC SystemGPS, A-GPS, GLONASS, Beidou, GalileoXiaomi Poco M3 supports NavIC for potentially better location accuracy in India, otherwise both phones offer similar GPS capabilities.
SIMDual SIM Dual Standby (Nano SIM + Nano SIM)Dual SIM Dual Standby (Nano SIM + Nano SIM)Both phones support Dual SIM, Nano SIM, and Dual Standby for simultaneous use of two numbers.
Storage
Internal Storage64GB/128GB256GB/512GBRealme 12x provides significantly more internal storage; ideal for users who store large media or multiple apps.
RAM4GB/6GB12GBRealme 12x has significantly more RAM, leading to much smoother multitasking and overall system performance.
Expandable StorageNoNoNeither phone allows for storage expansion, making it essential to pick a configuration that meets your storage needs.
Audio
QualityHi-Res Audio, Stereo SpeakersHi-Res Audio, Stereo SpeakersBoth offer high-quality audio and stereo speakers, excellent for media consumption.
Security
Featuresside-mounted fingerprint sensorside-mounted fingerprint sensorBoth provide quick and convenient biometric security.
Build Quality
ProtectionCorning Gorilla Glass 3UnknownXiaomi Poco M3 uses Corning Gorilla Glass 3 for additional screen protection against scratches and minor impacts.
Sensors
SensorsFingerprint, Accelerometer, Compass, Ultrasonic proximity virtualFingerprint, Accelerometer, Compass, Gyroscope, Magnetometer, ProximityRealme 12x has Gyroscope and Magnetometer. Xiaomi Poco M3 additionally features Ultrasonic proximity virtual.

2. Key Differences Analysis

Xiaomi Poco M3 Advantages:

  • Sharper Display: Higher resolution and pixel density (1080x2340, 395 PPI) offer significantly crisper visuals.
  • Larger Battery: A 6000mAh battery provides potentially longer battery life for extended usage.
  • Faster Charging: 18W fast charging is slightly faster than Realme 12x, and comes with 22.5W charger in box.
  • Reverse Charging: Ability to charge other devices via reverse charging.
  • Screen Protection: Corning Gorilla Glass 3 offers enhanced screen protection.
  • Navigation System: Additional NavIC system for potentially better GPS in India.

Realme 12x Advantages:

  • Significantly Faster Performance: A much more powerful chipset with higher benchmark scores offers a better user experience.
  • Smoother Display: 120Hz refresh rate provides significantly smoother scrolling and animations.
  • More RAM: 12 GB of RAM enables superior multitasking capabilities and performance in demanding applications.
  • Significantly More Storage: Options of 256GB or 512GB provides significantly more space to store your files.
  • Newer OS: Ships with Android 14, offering the latest features and security updates.
  • Depth Sensor: Dedicated depth sensor enhances portrait mode pictures.
  • Newer Bluetooth: Bluetooth 5.2 for potentially better performance and power efficiency.
  • Sensors: Gyroscope and Magnetometer allows for advanced features and gaming.
  • Slimmer and Lighter: More ergonomic and easier to handle.

Trade-offs:

  • The Realme 12x sacrifices battery capacity and screen sharpness for performance and display smoothness.
  • The Xiaomi Poco M3 sacrifices overall speed for a larger battery and sharper display, offering a more budget-focused approach.
  • Both phones lack expandable storage.

3. User Profiles & Recommendations

Xiaomi Poco M3 is ideal for:

  • Budget-conscious users: Prioritizing battery life and a sharper screen over performance.
  • Heavy media consumers: Enjoying a sharp screen and long battery for movies, shows, and reading.
  • Users who need reverse charging: Charging other devices on the go.
  • Users seeking basic smartphone functionality: Prioritizing core features with a reliable battery.

Use Cases:

  • Long commutes where battery life is crucial.
  • Reading e-books and viewing documents requiring a sharp display.
  • Basic social media usage and casual browsing.

Realme 12x is ideal for:

  • Performance-focused users: Prioritizing smooth performance and fast app loading.
  • Gamers: Benefiting from the 120Hz refresh rate and powerful GPU.
  • Multitaskers: Utilizing the 12GB of RAM for seamless application switching.
  • Users wanting modern software: Enjoying the latest Android features.
  • Those requiring ample storage: For storing large media libraries and apps.

Use Cases:

  • Playing graphically demanding mobile games.
  • Heavy multitasking with multiple apps.
  • Taking and viewing many photos and videos.
  • Users wanting the latest Android experience.

4. Decision Framework

Here are key questions to ask before making a decision:

  1. What is your primary use case? Are you more focused on performance and gaming, or do you prioritize battery life and a sharper display?
  2. How important is display smoothness to you? Do you notice and appreciate a higher refresh rate, or are you fine with a standard 60Hz?
  3. How much storage and RAM do you need? Do you use multiple apps simultaneously or store many large files?

Scenario-Based Recommendations:

  • Scenario 1: Budget-Conscious, Long Battery Life Needed: Choose the Xiaomi Poco M3 for its large battery, sharper display, and lower price point.
  • Scenario 2: Performance and Smoothness are Key: Choose the Realme 12x for its vastly superior performance, smoother 120Hz display, and ample RAM and storage.
  • Scenario 3: Balanced Needs with Modern Features: If you need a blend of performance and the latest features, and can sacrifice battery and sharpness, the Realme 12x is the better choice.

My Choice

I would personally choose the Realme 12x. While the Xiaomi Poco M3 has a sharper display and larger battery, the massive performance difference offered by the Realme 12x is more important to me. The smoother 120Hz display and significantly more RAM will provide a much better overall user experience, particularly for multitasking and app switching. The larger storage is also a big plus, and the Android 14 software ensures access to the latest features and security updates. Although battery capacity is lower, the gains in performance and responsiveness outweigh the need for longer battery life in my particular use case. While both phones target the budget category, the newer chipset of the 12x makes it a much more compelling choice in terms of longevity and performance.

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.