Xiaomi 13 Ultra vs OnePlus 12 - Detailed Phone Comparison

Detailed Comparison

Specification
OnePlus 12
OnePlus 12
Oneplus

General

Launch Date April 21, 2023 December 11, 2023
Release Year 2023 2023

Physical

Volume 110.79 cm³ 114.58 cm³
Screen Size to Weight Ratio 2.96 "/g 3.1 "/g
Weight 227 g 220 g
Height 163.2 mm 164.3 mm
Width 74.6 mm 75.8 mm
Thickness 9.1 mm 9.2 mm
Foldable Design No No
Available Colors
  • Black
  • Yellow
  • Blue
  • White
  • Orange
  • Olive Green
  • Flowy Emerald
  • Silky Black
  • Silver (Glacial White)

Display

Screen Size 6.73 " 6.82 "
Resolution 1440 x 3200 1440 x 3168
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 89.8 % 90.8 %
Pixel Density 522 PPI 510 PPI
Refresh Rate 120 Hz 120 Hz
Typical Brightness N/A 600 nits
HBM Brightness 1300 nits 1600 nits
Peak Brightness 2600 nits 4500 nits

Hardware

Battery Capacity per Screen Area 110.39 mAh/in² 116.10 mAh/in²
Battery Density 45.13 mAh/cm³ 47.13 mAh/cm³
Battery Capacity 5000 mAh 5400 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8550-AB Snapdragon 8 Gen 2 (4 nm) Qualcomm SM8650-AB Snapdragon 8 Gen 3 (4 nm)
CPU Octa-core (1x3.2 GHz Cortex-X3 & 2x2.8 GHz Cortex-A715 & 2x2.8 GHz Cortex-A710 & 3x2.0 GHz Cortex-A510) Octa-core (1x3.3 GHz Cortex-X4 & 3x3.2 GHz Cortex-A720 & 2x3.0 GHz Cortex-A720 & 2x2.3 GHz Cortex-A520)
GPU Adreno 740 Adreno 750

Connectivity

USB Version 3.2 3.2
OTG Support 1 1
DisplayPort 1
DisplayPort Version N/A N/A
USB Features USB Type-C 3.2, OTG, DisplayPort USB Type-C 3.2, OTG

Software

Operating System Android Android
Initial OS Version 13 14
Maximum OS Version 14 18

Comparison Summary

1. Specifications Comparison

FeatureXiaomi 13 UltraOnePlus 12Practical Impact
Design
Dimensions (mm)163.2 x 74.6 x 9.1164.3 x 75.8 x 9.2OnePlus 12 is slightly larger and wider. Negligible difference in daily usage.
Weight (g)227220Xiaomi 13 Ultra is slightly heavier, but the difference is minimal.
Display
Size (inches)6.736.82OnePlus 12 offers a slightly larger screen, providing marginally more immersive content consumption.
Resolution (px)1440 x 32001440 x 3168Virtually identical resolutions; both offer sharp visuals.
Panel TypeLTPO AMOLEDLTPO AMOLEDBoth use power-efficient technology with adaptive refresh rates for smooth scrolling and battery saving.
Peak Brightness (nits)26004500OnePlus 12's significantly higher peak brightness ensures better visibility in direct sunlight.
Color Depth68B1BOnePlus 12 supports a wider color gamut, leading to more vibrant and accurate color representation.
Performance
ChipsetSnapdragon 8 Gen 2Snapdragon 8 Gen 3OnePlus 12 boasts a newer generation chipset, promising faster performance and improved efficiency.
CPUOcta-core (1x3.2 GHz Cortex-X3...)Octa-core (1x3.3 GHz Cortex-X4...)OnePlus 12 has a faster primary core and more efficient architecture, translating to smoother multitasking and better performance in demanding applications.
GPUAdreno 740Adreno 750OnePlus 12's newer GPU delivers superior graphics performance for gaming and visually intensive tasks.
RAM (GB)1216OnePlus 12 has significantly more RAM in the provided configuration, enabling better multitasking and preventing app closures in the background.
Camera
Main Camera (MP)50 MP (1-inch sensor)50 MP (1/1.43" sensor)Xiaomi 13 Ultra has a physically larger sensor, capturing more light and detail, especially in low light.
Telephoto CapabilityLeica 5x optical, 3.2x optical3x Optical Zoom, 6x hybrid zoomXiaomi 13 Ultra offers superior telephoto capabilities with higher optical zoom and Leica lens technology.
Battery
Capacity (mAh)50005400OnePlus 12 boasts a larger battery, likely translating to longer battery life.

2. Key Differences Analysis

Xiaomi 13 Ultra Advantages:

  • Superior Camera System: The 1-inch main sensor and Leica-tuned optics provide exceptional image quality, especially in low light and zoom scenarios. This caters to photography enthusiasts.
  • More versatile Telephoto: Dual telephoto lenses offer greater flexibility in capturing distant subjects.

OnePlus 12 Advantages:

  • Newer and Faster Hardware: The Snapdragon 8 Gen 3, Adreno 750 GPU, and higher RAM configuration deliver a significant performance advantage for demanding tasks and future-proofing.
  • Brighter Display: The significantly brighter display ensures excellent outdoor visibility.
  • Wider Color Gamut: The 10-bit color depth provides more accurate and vibrant colors, enhancing media consumption.
  • Lower Price: Positioned in a lower price bracket, offering potentially better value for performance-focused users.
  • Longer Software Support: Promised support up to Android 18 provides longer software updates and security patches.

Trade-offs:

  • Xiaomi 13 Ultra: Higher price for specialized camera features.
  • OnePlus 12: Compromises on camera sensor size and telephoto capabilities compared to the Xiaomi.

3. User Profiles & Recommendations

Xiaomi 13 Ultra: Ideal for photography enthusiasts and professionals who prioritize camera quality above all else. Excellent for capturing high-quality images and videos in various conditions, especially low light and zoom scenarios.

OnePlus 12: Suits users who prioritize performance, a smooth user experience, and long-term software support. Best for power users, gamers, and those who consume lots of media. Offers excellent value for its price.

4. Decision Framework

Key Questions for Buyers:

  1. What is your primary use case? Photography/Videography or general performance and entertainment?
  2. What is your budget? Are you willing to pay a premium for the best camera system?
  3. How important is software update longevity?

Scenario-Based Recommendations:

  • Photography Enthusiast: Xiaomi 13 Ultra
  • Gamer/Power User: OnePlus 12
  • Budget-Conscious User: OnePlus 12

My Choice: OnePlus 12

While the Xiaomi 13 Ultra boasts an impressive camera system, the OnePlus 12 offers a more well-rounded package for my needs. The newer and significantly faster hardware, brighter display, wider color gamut, longer software support, and lower price make it a compelling choice. As someone who values a smooth and future-proof user experience, the performance gains and longevity offered by the OnePlus 12 outweigh the specialized camera advantages of the Xiaomi 13 Ultra. I am not a professional photographer, so the OnePlus 12's camera, while not as exceptional, would still be more than sufficient for my everyday needs. The price difference further solidifies the OnePlus 12 as the better value proposition for me.

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.

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Bridging technical complexity with engaging, accessible narratives.