Xiaomi 13 Ultra vs Google Pixel 8a - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date April 21, 2023 May 14, 2024
Release Year 2023 2024

Physical

Volume 110.79 cm³ 98.41 cm³
Screen Size to Weight Ratio 2.96 "/g 3.24 "/g
Weight 227 g 188 g
Height 163.2 mm 152.1 mm
Width 74.6 mm 72.7 mm
Thickness 9.1 mm 8.9 mm
Foldable Design No No
Available Colors
  • Black
  • Yellow
  • Blue
  • White
  • Orange
  • Olive Green
  • Obsidian
  • Porcelain
  • Bay
  • Aloe

Display

Screen Size 6.73 " 6.1 "
Resolution 1440 x 3200 1080 x 2400
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 89.8 % 81.2 %
Pixel Density 522 PPI 430 PPI
Refresh Rate 120 Hz 120 Hz
Typical Brightness N/A N/A
HBM Brightness 1300 nits N/A
Peak Brightness 2600 nits 2000 nits

Hardware

Battery Capacity per Screen Area 110.39 mAh/in² 120.72 mAh/in²
Battery Density 45.13 mAh/cm³ 45.64 mAh/cm³
Battery Capacity 5000 mAh 4492 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8550-AB Snapdragon 8 Gen 2 (4 nm) Google Tensor G3 (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) Nona-core (1x3.0 GHz Cortex-X3 & 4x2.45 GHz Cortex-A715 & 4x2.15 GHz Cortex-A510)
GPU Adreno 740 Immortalis-G715s MC10

Connectivity

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

Software

Operating System Android Android
Initial OS Version 13 14
Maximum OS Version 14 21

Comparison Summary

1. Specifications Comparison

FeatureXiaomi 13 UltraGoogle Pixel 8aPractical Impact
Design
Dimensions (mm)163.2 x 74.6 x 9.1152.1 x 72.7 x 8.9Pixel 8a is noticeably smaller and more pocketable.
Weight (g)227188Pixel 8a is significantly lighter, reducing hand fatigue.
BuildBuild materials not specified for either phone, limiting comparison.
Display
Display Type6.73" LTPO AMOLED6.1" OLEDXiaomi offers a larger, potentially more immersive display with LTPO for better power efficiency.
Resolution1440 x 32001080 x 2400Xiaomi has a sharper display (522 ppi vs 430 ppi), resulting in clearer text and images.
Refresh Rate120Hz120HzBoth offer smooth scrolling and animations.
Peak Brightness2600 nits2000 nits (peak)Xiaomi's display will be more visible in direct sunlight.
Performance
ChipsetSnapdragon 8 Gen 2Google Tensor G3Both are high-performance chipsets, but benchmarks are needed for accurate comparison.
CPUOcta-core (up to 3.2 GHz)Nona-core (up to 3.0 GHz)Core configuration differences require benchmark analysis for practical comparison.
RAM12GB8GBXiaomi offers more RAM for potentially better multitasking and app performance.
Camera
Rear Camera50MP Quad Camera System64MP + 13MP Dual CameraXiaomi features a Leica-tuned quad camera system with a larger 1-inch main sensor and versatile telephoto options; Pixel relies on Google's computational photography prowess.
Front Camera32MP13MPXiaomi has a higher resolution front camera.
Video RecordingUp to 8K@24fpsUp to 4K@60fpsXiaomi offers higher resolution video recording.
Battery
Capacity5000 mAh4492 mAhXiaomi has a larger battery, potentially offering longer battery life. However real-world usage varies.

2. Key Differences Analysis

Xiaomi 13 Ultra Advantages:

  • Superior Display: Larger, sharper, brighter, and more power-efficient due to LTPO technology.
  • More Versatile Camera System: Leica collaboration, larger main sensor, and multiple telephoto lenses.
  • Higher RAM: Better multitasking performance.
  • Larger Battery: Potential for longer battery life.

Google Pixel 8a Advantages:

  • Smaller and Lighter: More comfortable for one-handed use and portability.
  • Lower Price: Significantly more affordable.
  • Google's Software and AI: Known for excellent image processing and timely software updates.
    • Longer Software Support: Guaranteed updates up to Android 21.

3. User Profiles & Recommendations

Xiaomi 13 Ultra: Users who prioritize the best possible display, camera, and performance, and are willing to pay a premium. Ideal for photography enthusiasts, mobile gamers, and power users.

Google Pixel 8a: Users who value a compact and affordable phone with excellent camera quality and clean software experience. Best suited for everyday users, budget-conscious buyers, and those who prioritize software updates and ease of use.

4. Decision Framework

Key Questions for Buyers:

  1. What is your budget? The Pixel 8a is significantly cheaper.
  2. What are your priorities? Is camera quality, display, performance, or software updates most important?
  3. What is your preferred phone size? The Pixel 8a is smaller and lighter.

My Choice: Google Pixel 8a

While the Xiaomi 13 Ultra boasts impressive specifications, the Google Pixel 8a offers a compelling combination of performance, camera quality, and software experience at a significantly lower price point. The Pixel's compact size and guaranteed long-term software updates are also major advantages for me. I prioritize a smooth user experience and value for money over top-end specifications that I might not fully utilize. The Xiaomi's superior display and more versatile camera system are tempting, but the Pixel's computational photography and clean Android experience are more aligned with my needs.

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
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Bridging technical complexity with engaging, accessible narratives.