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AMD Athlon X4 840 vs AMD A6 PRO-7400B

Table of Contents



Overview:

Comparison between AMD Athlon X4 840 and AMD A6 PRO-7400B

Both CPUs are manufactured by AMD. AMD A6 PRO-7400B has a higher base speed of 3.5 GHz compared to AMD Athlon X4 840's 3.1 GHz. AMD A6 PRO-7400B has a higher turbo speed of 3.9 GHz compared to AMD Athlon X4 840's 3.8 GHz. AMD Athlon X4 840 has more cores (4) compared to AMD A6 PRO-7400B's 2 cores. Both CPUs support the same number of threads ().

Both CPUs belong to the same class: Desktop. Both CPUs use the same socket type: FM2+. AMD Athlon X4 840 was launched in Q1 2015, while AMD A6 PRO-7400B was launched in Q4 2014. Both CPUs have the same L3 cache size of MB.

Specification Summary

The AMD Athlon X4 840 and AMD A6 PRO-7400B 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 Athlon X4 840 has a base speed of 3.1 GHz, while the AMD A6 PRO-7400B runs at 3.5 GHz.
  • Turbo Boost: The AMD Athlon X4 840 supports a turbo speed of 3.8 GHz, compared to 3.9 GHz for the AMD A6 PRO-7400B.
  • Cores: The AMD Athlon X4 840 has 4 cores, while the AMD A6 PRO-7400B has 2 cores.
  • Threads: The AMD Athlon X4 840 supports threads, compared to threads for the AMD A6 PRO-7400B.
  • Class: Both processors are designed for Desktop use.
  • Socket: The AMD Athlon X4 840 uses the FM2+, while the AMD A6 PRO-7400B uses the FM2+.
  • Launch Date: The AMD Athlon X4 840 was launched on Q1 2015, while the AMD A6 PRO-7400B was released on Q4 2014.
  • L3 Cache: The AMD Athlon X4 840 has MB of L3 cache, compared to MB for the AMD A6 PRO-7400B.

Detailed Specifications:

Specs AMD Athlon X4 840 AMD A6 PRO-7400B
AMD AMD
Manufacturer AMD AMD
Speed 3.1 GHz 3.5 GHz
Turbo 3.8 GHz 3.9 GHz
Cores 4 2
Threads
Class Desktop Desktop
Socket FM2+ FM2+
Launched Q1 2015 Q4 2014
L3 Cache MB MB

Review:

Single Core Performance:


CPU Performance in single-threaded applications

AMD Athlon X4 840:



24%
AMD A6 PRO-7400B:
24%
* More is Better

Multi Core Performance:


CPU Performance in multi-threaded applications

AMD Athlon X4 840



4%
AMD A6 PRO-7400B:
2%
* More is Better

Power Efficiency:


Power Consumption of CPU under full load

AMD Athlon X4 840: 65 watts



16.25%
AMD A6 PRO-7400B: 65 watts
16.25%
* Lower is Better

Launched Date:


Time when the CPU was launched


AMD Athlon X4 840 : Q1 2015 ✅

AMD A6 PRO-7400B : Q4 2014 ✅

* Newer is Better

CPU Launch FINAL SCORE:

CPU Final Rating Ratings

AMD Athlon X4 840



AMD A6 PRO-7400B


Pro's and Con's

AMD Athlon X4 840 – Pros and Cons

Pros:

  • Not available

Cons:

  • Not available

AMD A6 PRO-7400B – Pros and Cons

Pros:

  • Newer Release: The AMD A6 PRO-7400B was launched more recently (Q4 2014) 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 Base Clock Speed: The AMD A6 PRO-7400B has a higher base clock speed of 3.5 GHz compared to the AMD Athlon X4 840's 3.1 GHz. This results in better performance for single-threaded tasks and general responsiveness.
  • Higher Turbo Boost Speed: The AMD A6 PRO-7400B supports a higher turbo boost speed of 3.9 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 1494, the AMD A6 PRO-7400B 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.
  • Higher CPU Mark Score: The AMD A6 PRO-7400B 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:

  • Fewer Cores: The AMD A6 PRO-7400B has 2 cores, which is fewer than the AMD Athlon X4 840's 4 cores. This could impact performance in multi-threaded workloads, such as rendering, compiling code, or running virtual machines.
  • Lower Multi-Core Performance: In multi-threaded tasks, the AMD A6 PRO-7400B scores 1640, which is lower than the AMD Athlon X4 840's score of 3318. This makes the AMD Athlon X4 840 a better choice for heavy multitasking or parallel processing.


Productivity


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.

AMD A6 PRO-7400B
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 Athlon X4 840
Ideal for Entry Level level gaming (when paired with a dedicated GPU) and Entry Level level computing.

AMD A6 PRO-7400B
Ideal for Entry Level level gaming (when paired with a dedicated GPU) and Entry Level level computing.



Verdict

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.

AMD A6 PRO-7400B

The AMD A6 PRO-7400B 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.