Xiaomi 13 Ultra vs Realme 12+ - Detailed Phone Comparison

Detailed Comparison

Specification
Realme 12+
Realme 12+
Realme

General

Launch Date April 21, 2023 March 2, 2024
Release Year 2023 2024

Physical

Volume 110.79 cm³ 97.22 cm³
Screen Size to Weight Ratio 2.96 "/g 3.51 "/g
Weight 227 g 190 g
Height 163.2 mm 163 mm
Width 74.6 mm 75.5 mm
Thickness 9.1 mm 7.9 mm
Foldable Design No No
Available Colors
  • Black
  • Yellow
  • Blue
  • White
  • Orange
  • Olive Green
  • Navigator Beige
  • Pioneer Green

Display

Screen Size 6.73 " 6.67 "
Resolution 1440 x 3200 1080 x 2400
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 89.8 % 87.3 %
Pixel Density 522 PPI 395 PPI
Refresh Rate 120 Hz 120 Hz
Typical Brightness N/A 600 nits
HBM Brightness 1300 nits N/A
Peak Brightness 2600 nits 2000 nits

Hardware

Battery Capacity per Screen Area 110.39 mAh/in² 112.39 mAh/in²
Battery Density 45.13 mAh/cm³ 51.43 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8550-AB Snapdragon 8 Gen 2 (4 nm) Mediatek Dimensity 7050 (6 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 (2x2.6 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55)
GPU Adreno 740 Mali-G68 MC4

Connectivity

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

Software

Operating System Android Android
Initial OS Version 13 14
Maximum OS Version 14 16

Comparison Summary

1. Specifications Comparison

FeatureXiaomi 13 UltraRealme 12+Practical Impact
Design
Dimensions (mm)163.2 x 74.6 x 9.1163 x 75.5 x 7.9Xiaomi is slightly thinner but heavier. Realme 12+ is lighter and might feel better in hand for extended use.
Weight (g)227190Significant weight difference; Realme 12+ will be noticeably more comfortable for one-handed use and extended periods.
Build MaterialN/AN/ABuild material information missing for both phones, limiting durability and premium feel assessment.
Display
Size (inches)6.736.67Negligible size difference.
Resolution1440 x 32001080 x 2400Xiaomi offers significantly sharper visuals due to higher resolution (QHD+ vs. FHD+). Noticeable difference in clarity for text, images, and videos.
Display TypeLTPO AMOLEDAMOLEDBoth offer vibrant colors and deep blacks. Xiaomi's LTPO panel allows for dynamic refresh rate adjustment (1-120Hz), saving battery while maintaining smooth scrolling.
Peak Brightness (nits)26002000Xiaomi's display will be more visible in direct sunlight.
Performance
ChipsetSnapdragon 8 Gen 2Dimensity 7050Xiaomi offers significantly faster CPU and GPU performance, resulting in smoother multitasking, gaming, and demanding applications.
CPUOcta-core (1x3.2 GHz...)Octa-core (2x2.6 GHz...)Xiaomi's CPU architecture and higher clock speeds offer superior performance.
RAM12GB8GBXiaomi offers more RAM, enabling better multitasking and smoother performance with multiple apps open.
Camera
Main Camera50MP (Sony IMX989, 1")50MP (Sony LYT-600, 1/2")Xiaomi boasts a larger sensor size, promising better low-light performance and depth of field. Realme's sensor model is newer, though smaller.
Camera FeaturesLeica tuned, Variable ApertureXiaomi's camera system is Leica tuned and offers a variable aperture for more creative control over depth of field.
Battery
Capacity (mAh)50005000Both phones have the same battery capacity, but real-world battery life will depend on optimization and usage patterns.
Charging SpeedN/AN/ACharging speed information missing for both phones, limiting comparison of charging times.

2. Key Differences Analysis

Xiaomi 13 Ultra Advantages:

  • Superior Performance: Significantly faster processor and more RAM for a smoother, more responsive user experience.
  • Higher Resolution Display: Sharper and more detailed visuals.
  • Advanced Camera System: Larger sensor, Leica tuning, and variable aperture for superior image quality and creative control.
  • LTPO Display: Dynamic refresh rate for improved battery efficiency.

Realme 12+ Advantages:

  • Lighter and Potentially More Comfortable: Noticeably lighter for easier one-handed use.
  • Lower Price: Significantly more affordable.

3. User Profiles & Recommendations

Xiaomi 13 Ultra: Ideal for power users, photographers, and videographers who demand top-tier performance, a stunning display, and a cutting-edge camera system. Excellent for demanding tasks like mobile gaming, video editing, and content creation.

Realme 12+: Suitable for budget-conscious users who prioritize a lightweight phone with a good AMOLED display for everyday tasks like social media, browsing, and casual gaming. A good option for those seeking value for their money.

4. Decision Framework

Key Questions for Buyers:

  1. What is your budget? The Xiaomi 13 Ultra is a premium flagship device, while the Realme 12+ 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 or if the Realme's features are sufficient for your needs.
  3. How important is display quality and refresh rate? The Xiaomi's QHD+ LTPO AMOLED display is superior, but the Realme's AMOLED display is still good.

My Choice: Xiaomi 13 Ultra

While the Realme 12+ offers excellent value, the Xiaomi 13 Ultra is the clear winner for me. The superior performance, significantly better display, and advanced camera system justify the higher price. I prioritize a smooth and responsive user experience, a sharp display for consuming content, and a capable camera for capturing high-quality photos and videos. The LTPO display is a bonus for balancing battery life and smooth scrolling. While the weight difference is noticeable, the performance and feature advantages of the Xiaomi 13 Ultra outweigh this for my personal needs. The Realme 12+ is a compelling option for budget-minded buyers, but the Xiaomi 13 Ultra represents a significant step up in overall quality and capabilities.

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.

Key Strengths:

  • Mobile technology analysis
  • Digital media communication
  • Technical storytelling
  • User-centric technology insights

Bridging technical complexity with engaging, accessible narratives.