Xiaomi 12X vs OnePlus 12 - Detailed Phone Comparison

Detailed Comparison

Specification
Xiaomi 12X
Xiaomi 12X
Xiaomi
OnePlus 12
OnePlus 12
Oneplus

General

Launch Date December 31, 2021 December 11, 2023
Release Year 2021 2023

Physical

Volume 87.52 cm³ 114.58 cm³
Screen Size to Weight Ratio 3.57 "/g 3.1 "/g
Weight 176 g 220 g
Height 152.7 mm 164.3 mm
Width 69.9 mm 75.8 mm
Thickness 8.2 mm 9.2 mm
Foldable Design No No
Available Colors
  • Blue
  • Purple
  • Gray
  • Flowy Emerald
  • Silky Black
  • Silver (Glacial White)

Display

Screen Size 6.28 " 6.82 "
Resolution 1080 x 2400 1440 x 3168
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 89.2 % 90.8 %
Pixel Density 419 PPI 510 PPI
Refresh Rate 120 Hz 120 Hz
Typical Brightness N/A 600 nits
HBM Brightness N/A 1600 nits
Peak Brightness 1100 nits 4500 nits

Hardware

Battery Capacity per Screen Area 114.10 mAh/in² 116.10 mAh/in²
Battery Density 51.41 mAh/cm³ 47.13 mAh/cm³
Battery Capacity 4500 mAh 5400 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 3.2
OTG Support 1 1
DisplayPort
DisplayPort Version N/A N/A
USB Features USB Type-C 2.0, OTG USB Type-C 3.2, OTG

Software

Operating System Android Android
Initial OS Version 11 14
Maximum OS Version 18

Comparison Summary

Alright, let's dive deep into the Xiaomi 12X and the OnePlus 12. On paper, they might seem like they're playing in the same ballpark, but when you start to dissect the specs, some clear differences emerge that drastically impact the user experience. Let's break it down, shall we?

1. Specifications Breakdown

Here's a detailed table comparing the key specs of each phone, with a focus on what these numbers actually mean for you in your daily usage:

FeatureXiaomi 12XOnePlus 12Real-World Implications
Design
Launch Date2021-12-312023-12-11The OnePlus 12 is significantly newer, benefiting from the latest tech.
Size152.7 × 69.9 × 8.2 mm164.3 × 75.8 × 9.2 mmOnePlus 12 is larger, might be less comfortable for one-handed use, more screen real estate.
Weight176g220gXiaomi 12X is noticeably lighter, better for long-term holding, OnePlus 12 feels more substantial.
Display
Size6.28"6.82"OnePlus 12 has a larger screen, better for media consumption, gaming.
Resolution1080x24001440x3168OnePlus 12's display is noticeably sharper and more detailed.
Pixel Density (PPI)419510OnePlus 12 has a significantly sharper image, text is crisp and clear, reduced eye strain.
TechnologyAMOLEDAMOLEDBoth deliver rich colors, deep blacks, and excellent contrast.
Refresh Rate120Hz120HzSmooth scrolling and animations on both.
Brightness1100 nits4500 nitsOnePlus 12's screen is much brighter, vastly superior visibility under direct sunlight.
Performance
ChipsetSnapdragon 870Snapdragon 8 Gen 3OnePlus 12's processor is generations ahead, significantly faster for gaming and multitasking.
AnTuTu Score815,2102,110,808OnePlus 12 has substantially better performance, smoother apps, better for power users.
GPUAdreno 650Adreno 750OnePlus 12 has a much more powerful GPU for demanding graphics.
Battery
Capacity4500mAh5400mAhOnePlus 12 will likely have significantly better battery life.
Charging67W fast charging100W fast chargingOnePlus 12 charges much faster, less time tethered to the outlet.
FeaturesNon-removableReverse + 50W wirelessOnePlus 12 has wireless charging and reverse charging.
Camera
Standard50MP, f/1.88, 1/1.56"50MP, f/1.6, 1/1.43"OnePlus 12 has a better standard lens with a larger sensor and wider aperture for better light capture.
Telephoto + PortraitNone64MP, f/2.6, 1/2"OnePlus 12's zoom capabilities are more versatile with dedicated telephoto lens.
Selfie32MP, f/2.45, 1/3"32MP, f/2.4, 1/2.74"OnePlus 12 has a better front camera with wider aperture and larger sensor for better selfies.
Wide Angle13MP, f/2.4, 1/3.06"NoneXiaomi 12X offers dedicated Wide Angle lens.
Macro5MP, f/2.4, SamsungNoneXiaomi 12X offers a dedicated macro lens.
Wide Angle + MacroNone48MP, f/2.2, 1/2"OnePlus 12 offers both wide-angle and macro functionalities with better quality in the same lens.
Video8K@24fps, EIS8K@24fps, HDR, EISBoth offer 8K video, OnePlus 12 has better HDR options and more fps options at lower resolutions.
FeaturesRAWNoise, Optical ZoomXiaomi 12X has RAW capturing, while OnePlus has Optical zoom and Noise reduction.
Software
OSAndroid 11Android 14OnePlus 12 has a significantly more modern OS, will get more support.
Connectivity
Wi-FiWi-Fi 6Wi-Fi 7OnePlus 12 has faster wireless speeds and less latency on compatible routers.
BluetoothBluetooth 5.1Bluetooth 5.4OnePlus 12 has a newer, more efficient version.
GPSGPS, A-GPS, etc.GPS, A-GPS, etc.OnePlus 12 has more accurate positioning capabilities with added Galileo support.
SIMDual SIMDual SIM + eSIMOnePlus 12 has eSIM support for added flexibility.
Storage & Memory
Internal128/256 GB256/512/1024 GBOnePlus 12 has more storage options available, especially for those who keep many large files on the device.
RAM8/12 GB12/16/24 GBOnePlus 12 handles heavy multitasking much better with more RAM.
Expandable StorageNoNoNeither phone offers microSD card expansion.
Audio
QualityHi-Res, 2 micsNoise Cancellation micXiaomi 12X has Hi-Res audio for audiophiles, OnePlus 12 has a noise canceling microphone for better quality voice calls.
Security
FeaturesFingerprintFingerprintBoth have standard fingerprint sensors for biometric security.
Build Quality
Screen ProtectionGorilla Glass VictusGorilla Glass Victus 2OnePlus 12 has a slightly more advanced screen protection.
Sensors
SensorsCompass, UltrasonicProximity, Gravity, etc.Both have a comprehensive set of sensors, OnePlus 12 having more options, including proximity and gravity sensor, while Xiaomi 12X has Compass.

2. Key Insights

  • Xiaomi 12X - The Lightweight Champion: This phone is all about being sleek and manageable. It’s significantly lighter, making it perfect for one-handed use. It also has some decent specs for a budget-friendly option, including Hi-Res audio and a wide-angle lens. The Snapdragon 870 is still a capable chipset for daily use, though a bit dated now.

  • OnePlus 12 - The Performance Powerhouse: This phone is a true flagship, leaving the Xiaomi 12X in the dust. The jump in performance with the Snapdragon 8 Gen 3 is massive. The screen is brighter, sharper, and larger. It also has more RAM, storage, better cameras, a bigger battery, faster charging (wireless too!), and a newer OS. It simply feels like a much more premium device.

3. User Profiles and Recommendations

  • Xiaomi 12X Users:

    • Budget-Conscious Buyers: Those who want a decent phone without breaking the bank.
    • One-Handed Users: Those who prefer a smaller and lighter phone.
    • Casual Users: Those who primarily use their phone for basic tasks like browsing, social media, and light photography.
    • Audio Enthusiasts: Someone who prioritizes Hi-Res Audio.
  • OnePlus 12 Users:

    • Power Users: Those who demand top-tier performance for gaming, multitasking, and demanding apps.
    • Photography Enthusiasts: Those who want a versatile camera setup with good low-light performance, telephoto zoom and optical zoom capabilities.
    • Media Consumers: Those who watch a lot of videos and movies, and value a large, high-quality display.
    • Future Proofers: Those who want a device that will stay relevant for longer thanks to the latest chipset, OS, and Wi-Fi.
    • Busy Individuals: Someone who values fast charging and wireless charging.

4. Buying Decision Framework

Here are three key questions to ask yourself:

  1. What's your budget?

    • If you’re on a tight budget, the Xiaomi 12X is a more affordable option.
    • If budget isn't a major concern, the OnePlus 12 offers much more performance.
  2. How important is raw power?

    • If you just want smooth performance for everyday tasks, Xiaomi 12X is adequate.
    • If you're a hardcore gamer, you need the processing and graphic power of the OnePlus 12.
  3. What are your camera priorities?

    • If you want a wide angle lens or macro mode, the Xiaomi 12X has you covered.
    • If you value a versatile camera system with high quality images and versatility the OnePlus 12 has more options.

Scenario-Based Recommendations:

  • Scenario 1: The Casual User - You mostly browse social media, send messages, and do some light web browsing. Recommendation: Xiaomi 12X will serve you well and save you money, but keep in mind the significantly lower battery, and older android version.
  • Scenario 2: The Mobile Gamer - You play demanding games regularly. Recommendation: OnePlus 12 is the clear winner with its top-tier performance and high refresh rate display.
  • Scenario 3: The Photography Lover - You want to capture the world in great detail. Recommendation: OnePlus 12 offers more versatile camera setup with better sensors, including Optical Zoom and High Quality HDR.
  • Scenario 4: The Power User - You multitask frequently, use lots of apps, and demand fast performance. Recommendation: OnePlus 12, thanks to its newer chipset, extra RAM, and additional storage capabilities.
  • Scenario 5: The Audio Enthusiast - You want the highest audio quality possible. Recommendation: Xiaomi 12X, thanks to its Hi-Res audio.
  • Scenario 6: The Frequent Traveler- You are often on the go and need a reliable smartphone that can withstand the day's demands. Recommendation: OnePlus 12, thanks to its long lasting battery, fast charging, and great display quality in different conditions.

My Choice:

If it were my money on the line, I’d go with the OnePlus 12 without hesitation. Yes, it's more expensive, but the jump in performance is just massive. I prioritize responsiveness, future-proofing, and a fantastic display experience. The improved camera, especially the Telephoto and Wide-Angle lens, along with the latest software and connectivity features makes it an easy choice. I wouldn't want to compromise on performance or display quality for a lighter, older phone. The OnePlus 12 feels like the real deal, while the Xiaomi 12X is starting to feel a bit long in the tooth. The difference between these two feels like moving from a sports car to a race car. It’s a no-brainer for me.

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.