Xiaomi 12X vs Asus ROG Phone 8 Pro - Detailed Phone Comparison

Detailed Comparison

Specification
Xiaomi 12X
Xiaomi 12X
Xiaomi

General

Launch Date December 31, 2021 January 18, 2024
Release Year 2021 2024

Physical

Volume 87.52 cm³ 111.96 cm³
Screen Size to Weight Ratio 3.57 "/g 3.01 "/g
Weight 176 g 225 g
Height 152.7 mm 163.8 mm
Width 69.9 mm 76.8 mm
Thickness 8.2 mm 8.9 mm
Foldable Design No No
Available Colors
  • Blue
  • Purple
  • Gray
  • Phantom Black

Display

Screen Size 6.28 " 6.78 "
Resolution 1080 x 2400 1080 x 2400
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 89.2 % 88.2 %
Pixel Density 419 PPI 388 PPI
Refresh Rate 120 Hz 165 Hz
Typical Brightness N/A N/A
HBM Brightness N/A 1600 nits
Peak Brightness 1100 nits 2500 nits

Hardware

Battery Capacity per Screen Area 114.10 mAh/in² 119.65 mAh/in²
Battery Density 51.41 mAh/cm³ 49.12 mAh/cm³
Battery Capacity 4500 mAh 5500 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8250-AC Snapdragon 870 5G (7 nm) Qualcomm SM8650-AB Snapdragon 8 Gen 3 (4 nm)
CPU Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585) Octa-core (1x3.3 GHz Cortex-X4 & 3x3.2 GHz Cortex-A720 & 2x3.0 GHz Cortex-A720 & 2x2.3 GHz Cortex-A520)
GPU Adreno 650 Adreno 750

Connectivity

USB Version 2.0 N/A
OTG Support 1 1
DisplayPort 1
DisplayPort Version N/A 1.4
USB Features USB Type-C 2.0, OTG USB Type-C, OTG, DisplayPort 1.4, Bottom Port

Software

Operating System Android Android
Initial OS Version 11 14
Maximum OS Version 16

Comparison Summary

Okay, let's dive into a detailed comparison of the Xiaomi 12X and the Asus ROG Phone 8 Pro. I'll be breaking down the specs and looking at what they mean for real-world use, just like I'd explain it to a friend.

1. Specifications Breakdown

Here's a comprehensive table comparing the key specifications of the Xiaomi 12X and the Asus ROG Phone 8 Pro, focusing on their real-world implications:

FeatureXiaomi 12XAsus ROG Phone 8 ProReal-World Implications
Design
Launch Date2021-12-312024-01-18The ROG Phone 8 Pro is significantly newer, meaning it has more recent hardware and software.
Dimensions152.7 x 69.9 x 8.2 mm163.8 x 76.8 x 8.9 mmThe Xiaomi 12X is more compact and pocketable, while the ROG Phone 8 Pro is larger, which may be more comfortable for gaming.
Weight176g225gThe Xiaomi 12X is significantly lighter, making it easier to hold for longer periods and better for one-handed use.
BuildGorilla Glass VictusGorilla Glass Victus 2Both use premium glass, with the ROG Phone 8 Pro having a newer generation for slightly better scratch resistance.
Display
Size6.28"6.78"The ROG Phone 8 Pro offers a more immersive experience thanks to its larger display, better for media consumption and gaming.
Resolution1080 x 24001080 x 2400Both offer a sharp display; this resolution is standard for these screen sizes.
Pixel Density419 PPI388 PPIThe Xiaomi 12X has a slightly sharper image due to higher PPI, though it's unlikely to be noticeable in everyday use.
TechnologyAMOLEDAMOLEDBoth have vibrant colors, deep blacks, and good viewing angles, typical of AMOLED technology.
Refresh Rate120Hz165HzThe ROG Phone 8 Pro provides smoother animations, especially noticeable in fast-paced games and scrolling, leading to a more fluid experience.
Brightness1100 nits2500 nitsThe ROG Phone 8 Pro is significantly brighter, leading to much better visibility in direct sunlight and overall better screen quality.
Performance
ChipsetSnapdragon 870 5G (7nm)Snapdragon 8 Gen 3 (4nm)The ROG Phone 8 Pro offers significantly higher performance, with the latest chipset for superior speed in all tasks and more efficient power usage.
Antutu Score815,2102,020,000The ROG Phone 8 Pro has a much higher benchmark score, translating to faster app loading, multitasking, and smoother gameplay.
GPUAdreno 650Adreno 750The ROG Phone 8 Pro offers more advanced graphics, ideal for graphically intensive games.
Battery Life
Capacity4500mAh5500mAhThe ROG Phone 8 Pro will likely have noticeably longer battery life, supporting longer gaming sessions and heavy usage.
Charging67W Fast Charging65W Fast ChargingBoth have fast charging, but Xiaomi 12X edges out slightly, though in practice the difference is negligible.
Camera
Main Camera50MP, f/1.8850MP, f/1.9Both have capable main cameras, with Xiaomi's having a slightly wider aperture that could slightly improve low-light.
Front Camera32MP, 1/3"32MP, 1/3.2"Xiaomi has a slightly larger sensor for potentially better selfie quality.
Telephoto-32MPThe ROG Phone 8 Pro has a dedicated telephoto lens for enhanced zoom capabilities, which the 12X is missing.
Wide Angle13MP-The Xiaomi 12X features a dedicated wide-angle lens that ROG phone is missing.
Macro5MP-The Xiaomi 12X offers a dedicated macro lens that ROG Phone is missing.
Wide Angle + Macro-13MPThe ROG Phone 8 Pro combines these into one camera offering versatility that the Xiaomi 12X lacks.
Video RecordingUp to 8K@24fpsUp to 8K@24fpsBoth have high-quality video recording, though the ROG Phone 8 Pro features HDR and additional video stabilization features.
Camera FeaturesUltra Stable Video, RAWOptical Zoom, Gimbal, LAFThe ROG Phone 8 Pro is focused on optical quality and stability whereas Xiaomi 12X is focused on software.
Software
Operating SystemAndroid 11Android 14The ROG Phone 8 Pro has a newer, more feature-rich Android OS, which has more features and security.
Connectivity
Wi-FiWi-Fi 6Wi-Fi 7The ROG Phone 8 Pro has the latest Wi-Fi standard, offering faster wireless speeds and more reliable connections.
BluetoothBluetooth 5.1Bluetooth 5.3The ROG Phone 8 Pro features a newer Bluetooth standard, enabling better connection stability and enhanced audio.
GPSGPSGPS, GalileoBoth have very accurate location tracking, though Asus ROG Phone 8 Pro supports an additional satellite system for improved accuracy.
Storage & RAM
Internal Storage128/256 GB512/1024 GBThe ROG Phone 8 Pro has significantly more storage, ideal for large game libraries and media files.
RAM8/12 GB16/24 GBThe ROG Phone 8 Pro has higher RAM, crucial for demanding tasks and intense gaming, ensuring seamless multitasking.
Expandable StorageNoNoNeither supports external storage, which could be a drawback for heavy users of media.
Audio
Audio QualityDolby Atmos, Hi-ResDTS/DTS XBoth have high-quality audio and dual speakers, with different technologies to enhance the overall audio experience.

2. Key Insights

  • Xiaomi 12X:
    • Strengths: More compact and lightweight, making it comfortable for daily use. Its slightly higher PPI provides marginally sharper details. The main camera has a wider aperture, potentially performing better in low-light.
    • Competitive Advantages: A dedicated macro lens, lower price point, and better price-to-value ratio.
    • Trade-offs: Significantly weaker performance compared to ROG Phone, older Android OS, and smaller battery.
  • Asus ROG Phone 8 Pro:
    • Strengths: Superior performance, larger and brighter display with a higher refresh rate, much larger battery, more storage, better camera system with telephoto, and the latest Android OS with longer update cycles.
    • Competitive Advantages: Top-tier performance for gaming, a larger battery for longer usage, better connectivity with Wi-Fi 7, and premium build.
    • Trade-offs: Larger, heavier, and more expensive, meaning it may not be the best phone for everyday carry.

3. User Profiles and Recommendations

  • Xiaomi 12X: Best suited for users who prioritize a compact, lightweight, and well-balanced phone that is good at everyday tasks and photography without breaking the bank.
    • Use Cases: Casual users who mostly browse the web, use social media, take photos, and prefer a smaller and lighter device.
  • Asus ROG Phone 8 Pro: Ideal for power users, gamers, and anyone who demands top-tier performance and the latest technology.
    • Use Cases: Mobile gamers, power users who perform intensive tasks, users who require excellent battery life, and those who want a premium multimedia experience.

4. Buying Decision Framework

Here are three practical questions to help users decide between the two phones:

  1. What is your priority?
    • If you are looking for a compact, budget-friendly smartphone with good performance for daily use, the Xiaomi 12X is a good choice.
    • If you prioritize gaming, performance, battery life, the best possible display quality, and are willing to spend more, the Asus ROG Phone 8 Pro is better suited for you.
  2. What is your primary use case?
    • If you are a casual user who needs a reliable everyday phone and prioritizes portability and photography, the Xiaomi 12X will suit you fine.
    • If you're a gamer or power user that needs the best possible performance, the ROG Phone 8 Pro will give you the performance you need.
  3. How much are you willing to spend?
    • If you have a tighter budget, the Xiaomi 12X will be more budget friendly.
    • If you are willing to invest more to get top-tier performance and the latest features, the ROG Phone 8 Pro is the best choice.

Scenario-Based Recommendations:

  • Everyday User: Go for the Xiaomi 12X if budget is a concern, as it provides excellent value for everyday usage, and its compact form factor is more comfortable for carrying around.
  • Gaming Enthusiast: The ROG Phone 8 Pro is the obvious choice, offering top-tier performance, a smooth display, excellent battery life, and advanced gaming features.
  • Photography Lover: Xiaomi 12X will be good for you if you are not planning on zooming much as it offers a macro lens for close up shots and a good standard sensor, but if you need a versatile camera, ROG Phone 8 Pro is the better choice due to its telephoto lens.
  • Media Consumption: The ROG Phone 8 Pro has the larger, brighter, and smoother display for a much more immersive media experience and larger battery to support that experience.
  • Power User: The ROG Phone 8 Pro with its superior performance, abundant RAM, and significant storage is the more sensible choice.

My Choice

If I were to choose between these two devices, I would pick the Asus ROG Phone 8 Pro. Despite being larger and more expensive, the overall package is far superior. I value the latest Snapdragon processor, the large high refresh rate display, the larger battery capacity, and the improved camera system. As a tech enthusiast, I'm also drawn to the cutting-edge features like Wi-Fi 7 and the enhanced Bluetooth 5.3. While the Xiaomi 12X has its merits as a more affordable and compact device, the ROG Phone 8 Pro's significant performance jump and premium features make it much more appealing.

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.