Xiaomi 12X vs Realme 9 Pro+ - Detailed Phone Comparison

Detailed Comparison

Specification
Xiaomi 12X
Xiaomi 12X
Xiaomi
Realme 9 Pro+
Realme 9 Pro+
Realme

General

Launch Date December 31, 2021 February 21, 2022
Release Year 2021 2022

Physical

Volume 87.52 cm³ 93.94 cm³
Screen Size to Weight Ratio 3.57 "/g 3.52 "/g
Weight 176 g 182 g
Height 152.7 mm 160.2 mm
Width 69.9 mm 73.3 mm
Thickness 8.2 mm 8 mm
Foldable Design No No
Available Colors
  • Blue
  • Purple
  • Gray
  • Midnight Black
  • Aurora Green
  • Sunrise Blue
  • Free Fire Limited Edition

Display

Screen Size 6.28 " 6.4 "
Resolution 1080 x 2400 1080 x 2400
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 89.2 % 84.2 %
Pixel Density 419 PPI 411 PPI
Refresh Rate 120 Hz 90 Hz
Typical Brightness N/A 430 nits
HBM Brightness N/A 600 nits
Peak Brightness 1100 nits N/A

Hardware

Battery Capacity per Screen Area 114.10 mAh/in² 109.86 mAh/in²
Battery Density 51.41 mAh/cm³ 47.9 mAh/cm³
Battery Capacity 4500 mAh 4500 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8250-AC Snapdragon 870 5G (7 nm) Mediatek Dimensity 920 (6 nm)
CPU Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585) Octa-core (2x2.5 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55)
GPU Adreno 650 Mali-G68 MC4

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 11 12
Maximum OS Version 13

Comparison Summary

Okay, let's dive deep into a head-to-head comparison of the Xiaomi 12X and the Realme 9 Pro+. I'll break down the specs, highlight the key differences, and guide you through which phone might be the right fit for you.

1. Specifications Breakdown

First, let's get granular with a detailed comparison table that also includes real-world implications:

FeatureXiaomi 12XRealme 9 Pro+Real-World Implications
Design
Dimensions152.7 × 69.9 × 8.2 mm160.2 × 73.3 × 8 mmXiaomi 12X is more compact and pocketable, while Realme 9 Pro+ is slightly larger.
Weight176g182gXiaomi 12X is a bit lighter, which might feel better during extended use.
Display
Size6.28"6.4"Realme 9 Pro+ has a marginally larger display, offering more screen real estate.
Resolution1080x24001080x2400Both have the same sharp FHD+ resolution, meaning similar clarity.
PPI419411Both offer similar pixel density, so sharpness will be practically identical.
TechnologyAMOLEDAMOLEDBoth use vibrant AMOLED panels with excellent contrast and deep blacks.
Refresh Rate120Hz90HzXiaomi 12X provides a smoother user interface and animations with the higher refresh rate.
Brightness1100 nits0 nitsXiaomi 12X is significantly brighter, making it much more visible in direct sunlight.
Performance
ChipsetSnapdragon 870 (7 nm)Dimensity 920 (6 nm)Xiaomi 12X’s chipset is significantly more powerful, translating to faster performance.
Antutu Score815,210496,970Xiaomi 12X delivers a much smoother experience in demanding tasks, including gaming.
GPUAdreno 650Mali-G68 MC4Xiaomi 12X's GPU offers superior graphics processing power and better gaming performance.
Camera
Main Camera50MP (f/1.88, 1/1.56", IMX766)50MP (f/1.8, 1/1.56", IMX766)Both use the same main sensor but Realme 9 Pro+ has wider aperture for better low-light
Selfie Camera32MP (f/2.45, 1/3")16MP (f/2.4, 1/3.13")Xiaomi 12X offers higher resolution, while Realme has larger pixels for better low-light
Wide Angle Lens13MP (f/2.4, 1/3.06")8MP (f/2.2, 1/2.8")Xiaomi 12X captures more detailed wide-angle shots, and Realme has slightly larger sensor
Macro Lens5MP (f/2.4)2MP (f/2.4, 1/5")Xiaomi 12X's macro lens provides higher resolution for more detailed close-ups
Video8K@24fps, 4K@60fps4K@30fpsXiaomi 12X captures higher quality and sharper videos, with greater frame rate flexibility.
Battery Life
Capacity4500mAh4500mAhBoth have similar battery capacity, indicating comparable battery life.
Charging67W Fast Charging60W Fast ChargingXiaomi 12X charges slightly faster, reducing downtime significantly.
Software
OSAndroid 11Android 12Realme 9 Pro+ ships with a more up to date Android version.
Connectivity
Wi-FiWi-Fi 6 (802.11ax)Wi-Fi 6 (802.11ax)Both support the latest Wi-Fi standards.
BluetoothBluetooth 5.1Bluetooth 5.2Realme 9 Pro+ offers a newer version of Bluetooth for better stability.
GPSL1+L5L1Xiaomi 12X offers more precise location.
Storage & RAM
Internal Storage128GB/256GB128GB/256GBBoth offer similar storage options to accommodate files and media.
RAM8GB/12GB6GB/8GBXiaomi 12X offers more RAM which is better for multitasking.
Expandable StorageNoNoNeither phone supports expandable storage.
Audio
Audio QualityDolby Atmos, Hi-Res AudioDolby Atmos, Hi-Res AudioBoth phones share very similar audio capabilities.
Microphone2 microphonesNoise cancellation microphone , 2 microphonesRealme 9 Pro+ has the advantage here for having a noise cancellation microphone.
Security
Fingerprint sensorBasicBasicBoth offer the same basic fingerprint sensor.
Build Quality
Screen protectionGorilla Glass VictusGorilla Glass 5Xiaomi 12X has superior screen protection, reducing the risk of scratches and cracks.
Sensors
SensorsFingerprint, Accelerometer, Compass, Gyroscope, Ultrasonic proximity virtualFingerprint, Heart Rate, Accelerometer, Gyroscope, Proximity, GeomagneticXiaomi 12X has additional Compass and Realme 9 Pro+ has additional Heart Rate sensor.

2. Key Insights

Xiaomi 12X Strengths:

  • Superior Performance: The Snapdragon 870 chipset provides significantly more processing power for demanding applications and gaming, as demonstrated by the 64% higher AnTuTu score.
  • Brighter Display: The 1100 nits of brightness is a huge advantage, making the screen much more visible in direct sunlight.
  • Smoother Display: The 120Hz refresh rate provides a noticeable improvement in responsiveness and fluidity compared to the 90Hz on the Realme 9 Pro+.
  • Advanced Video Recording: The ability to shoot 8K video gives the Xiaomi 12X a clear edge for content creators.
  • Faster Charging: The 67W charging is faster than the 60W on the Realme.
  • Better Screen protection: Victus screen protection is better than Gorilla Glass 5 and is better in reducing scratches.
  • More Precise GPS: With L1+L5, it offers better and more accurate positioning.

Realme 9 Pro+ Strengths:

  • Slightly Newer Software: Ships with Android 12 which is an upgrade over Android 11 of the Xiaomi.
  • Noise Cancellation Microphone: Offers superior call quality with enhanced noise cancellation.
  • Slightly Better Low-light Camera Performance: Wider aperture on main sensor and bigger pixels on selfie camera help with low-light performance.
  • More Connectivity Features: Comes with geomagnetic and heart rate sensor.
  • Newer Bluetooth: Features a more up-to-date Bluetooth version.

Trade-offs and Limitations:

  • Xiaomi 12X: The main trade-off is the slightly older software, but given that both phones will get software updates, this should not be a huge concern.
  • Realme 9 Pro+: The main compromise is significantly lower processing power, a less bright screen, and inferior video capabilities which might not suit performance-oriented users.

3. User Profiles and Recommendations

Xiaomi 12X is ideal for:

  • Power Users: Those who need a phone that can handle heavy multitasking, demanding games, and intensive applications.
  • Content Creators: Individuals who record a lot of videos and need the ability to shoot in 8K and 4K at 60fps.
  • Outdoor Users: People who frequently use their phone in bright sunlight and require excellent screen visibility.
  • Users valuing speed: Those who seek faster phone charging.

Realme 9 Pro+ is ideal for:

  • Casual Users: Users who want a reliable, well-rounded phone for everyday use, focusing on camera quality and smooth experience rather than performance.
  • Budget-Conscious Buyers: Those who need a good phone with all the essential features without overspending.
  • Users valuing connectivity: People who want a phone with heart-rate sensor and other useful sensors.
  • Users valuing Audio: Those who value high quality audio during calls, especially in noisy environments.

4. Buying Decision Framework

Here are three questions to help you make a decision:

  1. How important is raw performance to you? If you prioritize smooth multitasking, fast gaming, and overall responsiveness, the Xiaomi 12X is the clear winner. However, if you're a casual user, the Realme 9 Pro+ will serve you well too.
  2. Do you frequently use your phone in bright sunlight? If so, the Xiaomi 12X's significantly brighter display will be a major advantage.
  3. Do you do more video recording or photography? If video is critical, especially at high resolutions, the Xiaomi 12X is the superior option. However, if you prioritize better low-light photos and clear voice during calls, then Realme 9 Pro+ takes the edge here.

My Choice

Personally, I would choose the Xiaomi 12X. While both phones offer compelling features, the raw processing power and superior display of the Xiaomi 12X would be invaluable to me. As someone who likes to multitask, edit photos, and occasionally play graphically demanding games, the Xiaomi 12X's Snapdragon 870 chipset and 120Hz display provide a much better user experience. The brighter screen would also be a huge benefit given that I tend to spend a lot of time outside. Even though it's not the newest Android version, the software experience and updates will still be good. The improved camera features, like 8K video recording, will give me more flexibility for content creation. Ultimately, the Xiaomi 12X's overall performance and feature set make it the better option for my needs.

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.