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Intel Core i9-9940X vs AMD Athlon X4 840

Table of Contents



Overview:

Comparison between Intel Core i9-9940X and AMD Athlon X4 840

Intel Core i9-9940X is manufactured by Intel, while AMD Athlon X4 840 is manufactured by AMD. Intel Core i9-9940X has a higher base speed of 3.3 GHz compared to AMD Athlon X4 840's 3.1 GHz. Intel Core i9-9940X has a higher turbo speed of 4.5 GHz compared to AMD Athlon X4 840's 3.8 GHz. Intel Core i9-9940X has more cores (14) compared to AMD Athlon X4 840's 4 cores. Intel Core i9-9940X supports more threads (28) compared to AMD Athlon X4 840's threads.

Both CPUs belong to the same class: Desktop. Intel Core i9-9940X uses the FCLGA2066 socket, while AMD Athlon X4 840 uses the FM2+ socket. Intel Core i9-9940X was launched in Q4 2018, while AMD Athlon X4 840 was launched in Q1 2015. Intel Core i9-9940X has a larger L3 cache of 19 MB compared to AMD Athlon X4 840's MB.

Specification Summary

The Intel Core i9-9940X 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 Intel.
  • Speed: The Intel Core i9-9940X has a base speed of 3.3 GHz, while the AMD Athlon X4 840 runs at 3.1 GHz.
  • Turbo Boost: The Intel Core i9-9940X supports a turbo speed of 4.5 GHz, compared to 3.8 GHz for the AMD Athlon X4 840.
  • Cores: The Intel Core i9-9940X has 14 cores, while the AMD Athlon X4 840 has 4 cores.
  • Threads: The Intel Core i9-9940X supports 28 threads, compared to threads for the AMD Athlon X4 840.
  • Class: Both processors are designed for Desktop use.
  • Socket: The Intel Core i9-9940X uses the FCLGA2066, while the AMD Athlon X4 840 uses the FM2+.
  • Launch Date: The Intel Core i9-9940X was launched on Q4 2018, while the AMD Athlon X4 840 was released on Q1 2015.
  • L3 Cache: The Intel Core i9-9940X has 19 MB of L3 cache, compared to MB for the AMD Athlon X4 840.

Detailed Specifications:

Specs Intel Core i9-9940X AMD Athlon X4 840
Intel AMD
Manufacturer Intel AMD
Speed 3.3 GHz 3.1 GHz
Turbo 4.5 GHz 3.8 GHz
Cores 14 4
Threads 28
Class Desktop Desktop
Socket FCLGA2066 FM2+
Launched Q4 2018 Q1 2015
L3 Cache 19 MB MB

Review:

Single Core Performance:


CPU Performance in single-threaded applications

Intel Core i9-9940X:



43%
AMD Athlon X4 840:
24%
* More is Better

Multi Core Performance:


CPU Performance in multi-threaded applications

Intel Core i9-9940X



40%
AMD Athlon X4 840:
4%
* More is Better

Power Efficiency:


Power Consumption of CPU under full load

Intel Core i9-9940X: 165 watts



41.25%
AMD Athlon X4 840: 65 watts
16.25%
* Lower is Better

Launched Date:


Time when the CPU was launched


Intel Core i9-9940X : Q4 2018 ✅

AMD Athlon X4 840 : Q1 2015 ✅

* Newer is Better

CPU Launch FINAL SCORE:

CPU Final Rating Ratings

Intel Core i9-9940X



AMD Athlon X4 840


Pro's and Con's

Intel Core i9-9940X – Pros and Cons

Pros:

  • Newer Release: The Intel Core i9-9940X was launched more recently (Q4 2018) 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 Intel Core i9-9940X has a higher base clock speed of 3.3 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 Intel Core i9-9940X supports a higher turbo boost speed of 4.5 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 2629, the Intel Core i9-9940X 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 Intel Core i9-9940X features a larger L3 cache of 19MB 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 Intel Core i9-9940X has a higher CPU Mark score of 30.21 compared to the AMD Athlon X4 840's 26.55. This indicates better overall performance across a wide range of tasks.

Cons:

  • Higher Power Consumption: The Intel Core i9-9940X has a higher TDP of 165W compared to the AMD Athlon X4 840'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.

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 Intel Core i9-9940X's 14 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 Intel Core i9-9940X's 28 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 Intel Core i9-9940X's score of 28064. This makes the Intel Core i9-9940X a better choice for heavy multitasking or parallel processing.


Productivity


Intel Core i9-9940X
This cpu Handles Mid Level level office applications, web browsing, and media playback with ease. It can also be used for Mid Level 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

Intel Core i9-9940X
Ideal for Mid Level level gaming (when paired with a dedicated GPU) and Mid Level level computing.

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



Verdict

Intel Core i9-9940X

The Intel Core i9-9940X is a reliable and Mid Level processor for your PC builds. It delivers excellent value for users with Mid Level 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.