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Intel Core i9-9940X vs AMD A6-6420B APU

Table of Contents



Overview:

Comparison between Intel Core i9-9940X and AMD A6-6420B APU

Intel Core i9-9940X is manufactured by Intel, while AMD A6-6420B APU is manufactured by AMD. AMD A6-6420B APU has a higher base speed of 4.0 GHz compared to Intel Core i9-9940X's 3.3 GHz. Intel Core i9-9940X has a higher turbo speed of 4.5 GHz compared to AMD A6-6420B APU's 4.2 GHz. Intel Core i9-9940X has more cores (14) compared to AMD A6-6420B APU's 2 cores. Intel Core i9-9940X supports more threads (28) compared to AMD A6-6420B APU's threads.

Both CPUs belong to the same class: Desktop. Intel Core i9-9940X uses the FCLGA2066 socket, while AMD A6-6420B APU uses the FM2 socket. Intel Core i9-9940X was launched in Q4 2018, while AMD A6-6420B APU was launched in Q4 2014. Intel Core i9-9940X has a larger L3 cache of 19 MB compared to AMD A6-6420B APU's MB.

Specification Summary

The Intel Core i9-9940X and AMD A6-6420B APU 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 A6-6420B APU runs at 4.0 GHz.
  • Turbo Boost: The Intel Core i9-9940X supports a turbo speed of 4.5 GHz, compared to 4.2 GHz for the AMD A6-6420B APU.
  • Cores: The Intel Core i9-9940X has 14 cores, while the AMD A6-6420B APU has 2 cores.
  • Threads: The Intel Core i9-9940X supports 28 threads, compared to threads for the AMD A6-6420B APU.
  • Class: Both processors are designed for Desktop use.
  • Socket: The Intel Core i9-9940X uses the FCLGA2066, while the AMD A6-6420B APU uses the FM2.
  • Launch Date: The Intel Core i9-9940X was launched on Q4 2018, while the AMD A6-6420B APU was released on Q4 2014.
  • L3 Cache: The Intel Core i9-9940X has 19 MB of L3 cache, compared to MB for the AMD A6-6420B APU.

Detailed Specifications:

Specs Intel Core i9-9940X AMD A6-6420B APU
Intel AMD
Manufacturer Intel AMD
Speed 3.3 GHz 4.0 GHz
Turbo 4.5 GHz 4.2 GHz
Cores 14 2
Threads 28
Class Desktop Desktop
Socket FCLGA2066 FM2
Launched Q4 2018 Q4 2014
L3 Cache 19 MB MB

Review:

Single Core Performance:


CPU Performance in single-threaded applications

Intel Core i9-9940X:



43%
AMD A6-6420B APU:
27%
* More is Better

Multi Core Performance:


CPU Performance in multi-threaded applications

Intel Core i9-9940X



40%
AMD A6-6420B APU:
2%
* More is Better

Power Efficiency:


Power Consumption of CPU under full load

Intel Core i9-9940X: 165 watts



41.25%
AMD A6-6420B APU: 65 watts
16.25%
* Lower is Better

Launched Date:


Time when the CPU was launched


Intel Core i9-9940X : Q4 2018 ✅

AMD A6-6420B APU : Q4 2014 ✅

* Newer is Better

CPU Launch FINAL SCORE:

CPU Final Rating Ratings

Intel Core i9-9940X



AMD A6-6420B APU


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 A6-6420B APU (Q4 2014). This means it benefits from the latest advancements in technology, improved efficiency, and potentially better software optimization.
  • Higher Turbo Boost Speed: The Intel Core i9-9940X supports a higher turbo boost speed of 4.5 GHz compared to the AMD A6-6420B APU's 4.2 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 A6-6420B APU (score: 1629). 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 A6-6420B APU'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.

Cons:

  • Higher Power Consumption: The Intel Core i9-9940X has a higher TDP of 165W compared to the AMD A6-6420B APU'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 A6-6420B APU – Pros and Cons

Pros:

  • Higher Base Clock Speed: The AMD A6-6420B APU has a higher base clock speed of 4.0 GHz compared to the Intel Core i9-9940X's 3.3 GHz. This results in better performance for single-threaded tasks and general responsiveness.
  • Higher CPU Mark Score: The AMD A6-6420B APU has a higher CPU Mark score of NA compared to the Intel Core i9-9940X's 30.21. This indicates better overall performance across a wide range of tasks.

Cons:

  • Fewer Cores: The AMD A6-6420B APU has 2 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 A6-6420B APU 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 A6-6420B APU scores 1550, 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 A6-6420B APU
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 A6-6420B APU
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 A6-6420B APU

The AMD A6-6420B APU 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.