Xiaomi 13 Ultra vs Oppo Reno12 - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date April 21, 2023 June 25, 2024
Release Year 2023 2024

Physical

Volume 110.79 cm³ 90.89 cm³
Screen Size to Weight Ratio 2.96 "/g 3.79 "/g
Weight 227 g 177 g
Height 163.2 mm 161.4 mm
Width 74.6 mm 74.1 mm
Thickness 9.1 mm 7.6 mm
Foldable Design No No
Available Colors
  • Black
  • Yellow
  • Blue
  • White
  • Orange
  • Olive Green
  • Matte Brown
  • Sunset Pink
  • Astro Silver

Display

Screen Size 6.73 " 6.7 "
Resolution 1440 x 3200 1080 x 2412
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 89.8 % 90.3 %
Pixel Density 522 PPI 394 PPI
Refresh Rate 120 Hz 120 Hz
Typical Brightness N/A N/A
HBM Brightness 1300 nits N/A
Peak Brightness 2600 nits 1200 nits

Hardware

Battery Capacity per Screen Area 110.39 mAh/in² 111.38 mAh/in²
Battery Density 45.13 mAh/cm³ 55.01 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8550-AB Snapdragon 8 Gen 2 (4 nm) Mediatek Dimensity 7300 Energy (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 (4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
GPU Adreno 740 Mali-G615 MC2

Connectivity

USB Version 3.2 2.0
OTG Support 1 1
DisplayPort 1
DisplayPort Version N/A N/A
USB Features USB Type-C 3.2, OTG, DisplayPort USB Type-C 2.0, OTG

Software

Operating System Android Android
Initial OS Version 13 14
Maximum OS Version 14 17

Comparison Summary

1. Specifications Comparison

FeatureXiaomi 13 UltraOppo Reno12Practical Impact
Design
Dimensions (mm)163.2 x 74.6 x 9.1161.4 x 74.1 x 7.6Xiaomi is slightly larger and thicker. Oppo is noticeably lighter and thinner, potentially improving one-handed usability.
Weight (g)227177Significant weight difference; Oppo will feel much lighter in hand and pocket.
Build MaterialMissingMissingCannot compare build quality and durability.
Display
Display Size (inches)6.736.7Negligible size difference in real-world usage.
Resolution1440 x 32001080 x 2412Xiaomi has a significantly sharper display (522 ppi vs 394 ppi), resulting in crisper text and images.
Display TypeLTPO AMOLEDAMOLEDBoth offer vibrant colors and deep blacks. Xiaomi's LTPO panel allows for dynamic refresh rate adjustment, potentially saving battery.
Peak Brightness (nits)26001200Xiaomi's display gets much brighter, improving outdoor visibility.
Performance
ChipsetSnapdragon 8 Gen 2Dimensity 7300Xiaomi's flagship processor offers significantly better performance in demanding tasks like gaming and multitasking.
CPUOcta-core (1x3.2 GHz Cortex-X3 & 2x2.8 GHz Cortex-A715 & 2x2.8 GHz Cortex-A710 & 3x2.0 GHz Cortex-A510)Octa-core (4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)Xiaomi features a more powerful and modern CPU architecture.
GPUAdreno 740Mali-G615 MC2Xiaomi's GPU provides a substantial advantage in graphics performance for gaming and other visually intensive applications.
RAM12GB12GBBoth phones offer ample RAM for smooth multitasking.
Camera
Main Camera50MP, 1-inch sensor50MP, 1/2-inch sensorXiaomi's much larger sensor allows for better light capture, potentially resulting in superior low-light performance and depth of field.
Other Cameras3x 50MP Telephoto, 50MP Wide + Macro8MP Wide, 2MP MacroXiaomi offers a more versatile and powerful camera system with multiple high-resolution telephoto lenses.
Battery
Capacity5000 mAh5000 mAhSimilar battery capacities; real-world battery life will depend on software optimization and usage patterns.
Charging SpeedMissingMissingUnable to compare charging speeds.

2. Key Differences Analysis

Xiaomi 13 Ultra Advantages:

  • Superior Performance: The Snapdragon 8 Gen 2 offers a significant performance advantage for demanding tasks.
  • Exceptional Camera System: The 1-inch main sensor and versatile telephoto lenses provide a clear edge in image quality and flexibility.
  • Sharper and Brighter Display: Higher resolution and peak brightness result in a noticeably better visual experience.
  • LTPO Display: Enables dynamic refresh rate, potentially improving battery life.

Oppo Reno12 Advantages:

  • Lighter and Thinner: More comfortable for one-handed use and pocket carry.
  • Lower Price: Significantly more affordable.
  • More Recent Android Version: Ships with a newer version of Android, potentially offering longer software support.

Trade-offs:

  • Xiaomi: Higher price, heavier and thicker design.
  • Oppo: Lower performance, less capable camera system, lower resolution display.

3. User Profiles & Recommendations

Xiaomi 13 Ultra: Ideal for users who prioritize performance, camera quality, and display excellence. Suitable for demanding tasks like mobile gaming, content creation, and professional photography.

Oppo Reno12: Suitable for users seeking a lightweight, affordable phone for everyday tasks like social media, web browsing, and casual photography. Good value for budget-conscious buyers.

4. Decision Framework

Key Questions for Buyers:

  1. What is your budget? The Xiaomi is a premium flagship, while the Oppo is a mid-range option.
  2. What are your primary use cases? Consider whether you need the extra performance and camera capabilities of the Xiaomi.
  3. How important are factors like weight and size? The Oppo's lighter and thinner design might be preferable for some.

Scenario-Based Recommendations:

  • Gamer/Power User: Xiaomi 13 Ultra
  • Budget-Conscious User: Oppo Reno12
  • Photographer/Videographer: Xiaomi 13 Ultra

My Choice: Xiaomi 13 Ultra

While the Oppo Reno12 offers excellent value for its price, the Xiaomi 13 Ultra is the clear winner for me. I prioritize performance, camera quality, and a premium display experience. The Snapdragon 8 Gen 2, the 1-inch main camera sensor, and the high-resolution LTPO AMOLED display are compelling features that justify the higher price. The weight difference is a minor trade-off for the substantial gains in other areas. The superior camera system alone would be a deciding factor for my photography needs. While the Oppo is a good option for budget-minded buyers, the Xiaomi's comprehensive advantages make it the better overall device for my usage.

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.