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AMD Ryzen 9 PRO 3900 vs AMD Athlon X4 840

Table of Contents



Overview:

Comparison between AMD Ryzen 9 PRO 3900 and AMD Athlon X4 840

Both CPUs are manufactured by AMD. Both CPUs have the same base speed of 3.1 GHz. AMD Ryzen 9 PRO 3900 has a higher turbo speed of 4.3 GHz compared to AMD Athlon X4 840's 3.8 GHz. AMD Ryzen 9 PRO 3900 has more cores (12) compared to AMD Athlon X4 840's 4 cores. AMD Ryzen 9 PRO 3900 supports more threads (24) compared to AMD Athlon X4 840's threads.

Both CPUs belong to the same class: Desktop. AMD Ryzen 9 PRO 3900 uses the AM4 socket, while AMD Athlon X4 840 uses the FM2+ socket. AMD Ryzen 9 PRO 3900 was launched in Q3 2019, while AMD Athlon X4 840 was launched in Q1 2015. AMD Ryzen 9 PRO 3900 has a larger L3 cache of 64 MB compared to AMD Athlon X4 840's MB.

Specification Summary

The AMD Ryzen 9 PRO 3900 and AMD Athlon X4 840 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 PRO 3900 has a base speed of 3.1 GHz, while the AMD Athlon X4 840 runs at 3.1 GHz.
  • Turbo Boost: The AMD Ryzen 9 PRO 3900 supports a turbo speed of 4.3 GHz, compared to 3.8 GHz for the AMD Athlon X4 840.
  • Cores: The AMD Ryzen 9 PRO 3900 has 12 cores, while the AMD Athlon X4 840 has 4 cores.
  • Threads: The AMD Ryzen 9 PRO 3900 supports 24 threads, compared to threads for the AMD Athlon X4 840.
  • Class: Both processors are designed for Desktop use.
  • Socket: The AMD Ryzen 9 PRO 3900 uses the AM4, while the AMD Athlon X4 840 uses the FM2+.
  • Launch Date: The AMD Ryzen 9 PRO 3900 was launched on Q3 2019, while the AMD Athlon X4 840 was released on Q1 2015.
  • L3 Cache: The AMD Ryzen 9 PRO 3900 has 64 MB of L3 cache, compared to MB for the AMD Athlon X4 840.

Detailed Specifications:

Specs AMD Ryzen 9 PRO 3900 AMD Athlon X4 840
AMD AMD
Manufacturer AMD AMD
Speed 3.1 GHz 3.1 GHz
Turbo 4.3 GHz 3.8 GHz
Cores 12 4
Threads 24
Class Desktop Desktop
Socket AM4 FM2+
Launched Q3 2019 Q1 2015
L3 Cache 64 MB MB

Review:

Single Core Performance:


CPU Performance in single-threaded applications

AMD Ryzen 9 PRO 3900:



44%
AMD Athlon X4 840:
24%
* More is Better

Multi Core Performance:


CPU Performance in multi-threaded applications

AMD Ryzen 9 PRO 3900



45%
AMD Athlon X4 840:
4%
* More is Better

Power Efficiency:


Power Consumption of CPU under full load

AMD Ryzen 9 PRO 3900: 65 watts



16.25%
AMD Athlon X4 840: 65 watts
16.25%
* Lower is Better

Launched Date:


Time when the CPU was launched


AMD Ryzen 9 PRO 3900 : Q3 2019 ✅

AMD Athlon X4 840 : Q1 2015 ✅

* Newer is Better

CPU Launch FINAL SCORE:

CPU Final Rating Ratings

AMD Ryzen 9 PRO 3900



AMD Athlon X4 840


Pro's and Con's

AMD Ryzen 9 PRO 3900 – Pros and Cons

Pros:

  • Newer Release: The AMD Ryzen 9 PRO 3900 was launched more recently (Q3 2019) compared to the AMD Athlon X4 840 (Q1 2015). This means it benefits from the latest advancements in technology, improved efficiency, and potentially better software optimization.
  • Higher Turbo Boost Speed: The AMD Ryzen 9 PRO 3900 supports a higher turbo boost speed of 4.3 GHz compared to the AMD Athlon X4 840's 3.8 GHz. This allows for better performance during peak workloads.
  • Faster Single-Core Performance: With a single-threaded performance score of 2681, the AMD Ryzen 9 PRO 3900 outperforms the AMD Athlon X4 840 (score: 1488). 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 PRO 3900 features a larger L3 cache of 64MB compared to the AMD Athlon X4 840's MB. 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 PRO 3900 has a higher CPU Mark score of NA compared to the AMD Athlon X4 840's 26.55. This indicates better overall performance across a wide range of tasks.

Cons:

  • Not available

AMD Athlon X4 840 – Pros and Cons

Pros:

  • Not available

Cons:

  • Fewer Cores: The AMD Athlon X4 840 has 4 cores, which is fewer than the AMD Ryzen 9 PRO 3900's 12 cores. This could impact performance in multi-threaded workloads, such as rendering, compiling code, or running virtual machines.
  • Fewer Threads: The AMD Athlon X4 840 has threads, which is fewer than the AMD Ryzen 9 PRO 3900's 24 threads. This may limit its ability to handle highly parallel workloads efficiently.
  • Lower Multi-Core Performance: In multi-threaded tasks, the AMD Athlon X4 840 scores 3318, which is lower than the AMD Ryzen 9 PRO 3900's score of 31616. This makes the AMD Ryzen 9 PRO 3900 a better choice for heavy multitasking or parallel processing.


Productivity


AMD Ryzen 9 PRO 3900
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.

AMD Athlon X4 840
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 PRO 3900
Ideal for High End level gaming (when paired with a dedicated GPU) and High End level computing.

AMD Athlon X4 840
Ideal for Entry Level level gaming (when paired with a dedicated GPU) and Entry Level level computing.



Verdict

AMD Ryzen 9 PRO 3900

The AMD Ryzen 9 PRO 3900 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.

AMD Athlon X4 840

The AMD Athlon X4 840 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.