AMD 7900 XTX vs. NVIDIA RTX 4090: A Comprehensive Comparison and Best Value Verdict

May 9, 2023


The world of graphics cards is ever-evolving, with new models hitting the market every year. As a consumer, it can be quite challenging to keep up with the latest trends and decide which graphics card offers the best value for your needs. In this blog post, we will dive into an in-depth comparison of two popular graphics cards, AMD 7900 XTX and NVIDIA RTX 4090. We will discuss their specifications, performance, and features to help you determine the best value option for your specific requirements.


AMD 7900 XTX

  • GPU Architecture: G71
  • Manufacturing Process: 90nm
  • Base Clock: 650 MHz
  • CUDA Cores: 24
  • Memory Type: GDDR3
  • Memory Size: 512 MB
  • Memory Bus: 256-bit
  • Memory Clock: 1600 MHz
  • TDP: 120W


  • GPU Architecture: Ampere
  • Manufacturing Process: 8nm
  • Base Clock: 1815 MHz
  • CUDA Cores: 10496
  • Memory Type: GDDR6X
  • Memory Size: 24 GB
  • Memory Bus: 384-bit
  • Memory Clock: 19500 MHz
  • TDP: 350W
  • Ray Tracing Cores: Yes
  • Tensor Cores: Yes


When comparing the performance of the 7900 XTX and the RTX 4090, it is crucial to remember that these cards belong to two entirely different generations. The 7900 XTX is a high-end GPU from 2006, while the RTX 4090 is a modern, cutting-edge graphics card launched in 2020. Thus, the performance gap between them is expected to be vast.

The RTX 4090 outperforms the 7900 XTX in almost every aspect. With a significantly higher base clock, more CUDA cores, and faster, larger memory, the RTX 4090 can handle demanding gaming and professional workloads with ease. The 7900 XTX, on the other hand, is quite outdated and will struggle with the latest games and applications.


The 7900 XTX was an impressive graphics card in its time, but it lacks many of the features found in modern GPUs like the RTX 4090. Here are some key features that set the RTX 4090 apart:

  • Ray Tracing: The RTX 4090 has dedicated ray-tracing cores that enable realistic lighting, reflections, and shadows in supported games, resulting in more immersive experiences.
  • DLSS: NVIDIA’s Deep Learning Super Sampling (DLSS) technology uses AI to upscale lower-resolution images, allowing for improved performance without sacrificing image quality.
  • NVLink: The RTX 4090 supports NVLink, enabling users to connect multiple GPUs for increased performance in supported applications.
  • PCIe 4.0: The RTX 4090 is compatible with the faster PCIe 4.0 interface, which provides increased bandwidth for data transfer between the GPU and other system components.

Best Value Verdict

Considering the performance, specifications, and features, it is evident that the RTX 4090 is a far superior option compared to the 7900 XTX. However, the question of the best value is a bit more nuanced.

If you are a casual user or on a tight budget, the 7900 XTX may be sufficient for basic tasks and older games. However, it will struggle with modern games and applications, making it less future-proof

Check out the 7900XTX build and 4090 here

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