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AMD Ryzen 9 5900XT vs Intel Core i5-6400

Table of Contents



Overview:

Comparison between AMD Ryzen 9 5900XT and Intel Core i5-6400

AMD Ryzen 9 5900XT is manufactured by AMD, while Intel Core i5-6400 is manufactured by Intel. AMD Ryzen 9 5900XT has a higher base speed of 3.3 GHz compared to Intel Core i5-6400's 2.7 GHz. AMD Ryzen 9 5900XT has a higher turbo speed of 4.8 GHz compared to Intel Core i5-6400's 3.3 GHz. AMD Ryzen 9 5900XT has more cores (16) compared to Intel Core i5-6400's 4 cores. AMD Ryzen 9 5900XT supports more threads (32) compared to Intel Core i5-6400's 4 threads.

Both CPUs belong to the same class: Desktop. AMD Ryzen 9 5900XT uses the AM4 socket, while Intel Core i5-6400 uses the LGA socket. AMD Ryzen 9 5900XT was launched in Q3 2024, while Intel Core i5-6400 was launched in Q3 2015. AMD Ryzen 9 5900XT has a larger L3 cache of 64 MB compared to Intel Core i5-6400's 6 MB.

Specification Summary

The AMD Ryzen 9 5900XT and Intel Core i5-6400 are two processors with distinct specifications. Below is a detailed comparison of their key features:

  • Manufacturer: Both processors are manufactured by AMD.
  • Speed: The AMD Ryzen 9 5900XT has a base speed of 3.3 GHz, while the Intel Core i5-6400 runs at 2.7 GHz.
  • Turbo Boost: The AMD Ryzen 9 5900XT supports a turbo speed of 4.8 GHz, compared to 3.3 GHz for the Intel Core i5-6400.
  • Cores: The AMD Ryzen 9 5900XT has 16 cores, while the Intel Core i5-6400 has 4 cores.
  • Threads: The AMD Ryzen 9 5900XT supports 32 threads, compared to 4 threads for the Intel Core i5-6400.
  • Class: Both processors are designed for Desktop use.
  • Socket: The AMD Ryzen 9 5900XT uses the AM4, while the Intel Core i5-6400 uses the LGA.
  • Launch Date: The AMD Ryzen 9 5900XT was launched on Q3 2024, while the Intel Core i5-6400 was released on Q3 2015.
  • L3 Cache: The AMD Ryzen 9 5900XT has 64 MB of L3 cache, compared to 6 MB for the Intel Core i5-6400.

Detailed Specifications:

Specs AMD Ryzen 9 5900XT Intel Core i5-6400
AMD Intel
Manufacturer AMD Intel
Speed 3.3 GHz 2.7 GHz
Turbo 4.8 GHz 3.3 GHz
Cores 16 4
Threads 32 4
Class Desktop Desktop
Socket AM4 LGA
Launched Q3 2024 Q3 2015
L3 Cache 64 MB 6 MB

Review:

Single Core Performance:


CPU Performance in single-threaded applications

AMD Ryzen 9 5900XT:



56%
Intel Core i5-6400:
32%
* More is Better

Multi Core Performance:


CPU Performance in multi-threaded applications

AMD Ryzen 9 5900XT



64%
Intel Core i5-6400:
7%
* More is Better

Power Efficiency:


Power Consumption of CPU under full load

AMD Ryzen 9 5900XT: 105 watts



26.25%
Intel Core i5-6400: 65 watts
16.25%
* Lower is Better

Launched Date:


Time when the CPU was launched


AMD Ryzen 9 5900XT : Q3 2024 ✅

Intel Core i5-6400 : Q3 2015 ✅

* Newer is Better

CPU Launch FINAL SCORE:

CPU Final Rating Ratings

AMD Ryzen 9 5900XT



Intel Core i5-6400


Pro's and Con's

AMD Ryzen 9 5900XT – Pros and Cons

Pros:

  • Newer Release: The AMD Ryzen 9 5900XT was launched more recently (Q3 2024) compared to the Intel Core i5-6400 (Q3 2015). This means it benefits from the latest advancements in technology, improved efficiency, and potentially better software optimization.
  • Higher Base Clock Speed: The AMD Ryzen 9 5900XT has a higher base clock speed of 3.3 GHz compared to the Intel Core i5-6400's 2.7 GHz. This results in better performance for single-threaded tasks and general responsiveness.
  • Higher Turbo Boost Speed: The AMD Ryzen 9 5900XT supports a higher turbo boost speed of 4.8 GHz compared to the Intel Core i5-6400's 3.3 GHz. This allows for better performance during peak workloads.
  • Faster Single-Core Performance: With a single-threaded performance score of 3380, the AMD Ryzen 9 5900XT outperforms the Intel Core i5-6400 (score: 1954). This makes it better suited for tasks that rely on single-core performance, such as gaming or everyday productivity.
  • Larger L3 Cache: The AMD Ryzen 9 5900XT features a larger L3 cache of 64MB compared to the Intel Core i5-6400's 6MB. A larger cache improves performance in memory-intensive tasks, such as video editing or 3D rendering, by reducing latency and speeding up data access.
  • Higher CPU Mark Score: The AMD Ryzen 9 5900XT has a higher CPU Mark score of 136.47 compared to the Intel Core i5-6400's 73.80. This indicates better overall performance across a wide range of tasks.

Cons:

  • Higher Power Consumption: The AMD Ryzen 9 5900XT has a higher TDP of 105W compared to the Intel Core i5-6400's 65W. This means it may consume more power, leading to higher energy costs and potentially more heat generation, which could require better cooling solutions.

Intel Core i5-6400 – Pros and Cons

Pros:

  • Not available

Cons:

  • Fewer Cores: The Intel Core i5-6400 has 4 cores, which is fewer than the AMD Ryzen 9 5900XT's 16 cores. This could impact performance in multi-threaded workloads, such as rendering, compiling code, or running virtual machines.
  • Fewer Threads: The Intel Core i5-6400 has 4 threads, which is fewer than the AMD Ryzen 9 5900XT's 32 threads. This may limit its ability to handle highly parallel workloads efficiently.
  • Lower Multi-Core Performance: In multi-threaded tasks, the Intel Core i5-6400 scores 5165, which is lower than the AMD Ryzen 9 5900XT's score of 44215. This makes the AMD Ryzen 9 5900XT a better choice for heavy multitasking or parallel processing.


Productivity


AMD Ryzen 9 5900XT
This cpu Handles High End level office applications, web browsing, and media playback with ease. It can also be used for High End level multitasking or CPU-intensive tasks like video editing or 3D rendering.

Intel Core i5-6400
This cpu Handles Entry Level level office applications, web browsing, and media playback with ease. It can also be used for Entry Level level multitasking or CPU-intensive tasks like video editing or 3D rendering.


Gaming

AMD Ryzen 9 5900XT
Ideal for High End level gaming (when paired with a dedicated GPU) and High End level computing.

Intel Core i5-6400
Ideal for Entry Level level gaming (when paired with a dedicated GPU) and Entry Level level computing.



Verdict

AMD Ryzen 9 5900XT

The AMD Ryzen 9 5900XT is a reliable and High End processor for your PC builds. It delivers excellent value for users with High End computing needs or those building a New PC.

Intel Core i5-6400

The Intel Core i5-6400 is a reliable and Entry Level processor for your PC builds. It delivers excellent value for users with Entry Level computing needs or those building a New PC.