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From Pixel to Parallel: Understanding Modern GPU Architecture

Practical Architectural Choices for Performance Optimization

Mohit Mishra
5 min readNov 30, 2024

Table of Contents

  1. Introduction
  2. GPU vs CPU: Architectural Differences
  3. Physical Architecture of Modern GPUs
  4. Memory Architecture
  5. Computational Architecture
  6. Practical Applications
  7. Code Examples and Implementation
  8. Process Flow and Architecture
  9. Further Reading and Resources
  10. Conclusion

1. Introduction

Modern graphics cards represent one of the most complex and powerful components in contemporary computing systems. To put their computational power into perspective, while the Nintendo 64 (1996) required about 100 million calculations per second, modern GPUs like those running Cyberpunk 2077 perform around 36 trillion calculations per second. To contextualize this astronomical number: if every person on Earth performed one calculation per second, we would need approximately 4,400 Earths to match a single modern GPU’s computational power.

Flow Architecture, Made via Mermaid (Code Written by me)

2. GPU vs CPU: Architectural Differences

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Mohit Mishra
Mohit Mishra

Written by Mohit Mishra

engineer | engineering | doing what i love

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