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Intel Core i5-11600KF vs Intel Core i7-6900K

Table of Contents



Overview:

Comparison between Intel Core i5-11600KF and Intel Core i7-6900K

Both CPUs are manufactured by Intel. Intel Core i5-11600KF has a higher base speed of 3.9 GHz compared to Intel Core i7-6900K's 3.2 GHz. Intel Core i5-11600KF has a higher turbo speed of 4.9 GHz compared to Intel Core i7-6900K's 4.0 GHz. Intel Core i7-6900K has more cores (8) compared to Intel Core i5-11600KF's 6 cores. Intel Core i7-6900K supports more threads (16) compared to Intel Core i5-11600KF's 12 threads.

Both CPUs belong to the same class: Desktop. Intel Core i5-11600KF uses the FCLGA1200 socket, while Intel Core i7-6900K uses the FCLGA2011-3 socket. Intel Core i5-11600KF was launched in Q2 2021, while Intel Core i7-6900K was launched in Q2 2016. Intel Core i7-6900K has a larger L3 cache of 20 MB compared to Intel Core i5-11600KF's 12 MB.

Specification Summary

The Intel Core i5-11600KF and Intel Core i7-6900K 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 i5-11600KF has a base speed of 3.9 GHz, while the Intel Core i7-6900K runs at 3.2 GHz.
  • Turbo Boost: The Intel Core i5-11600KF supports a turbo speed of 4.9 GHz, compared to 4.0 GHz for the Intel Core i7-6900K.
  • Cores: The Intel Core i5-11600KF has 6 cores, while the Intel Core i7-6900K has 8 cores.
  • Threads: The Intel Core i5-11600KF supports 12 threads, compared to 16 threads for the Intel Core i7-6900K.
  • Class: Both processors are designed for Desktop use.
  • Socket: The Intel Core i5-11600KF uses the FCLGA1200, while the Intel Core i7-6900K uses the FCLGA2011-3.
  • Launch Date: The Intel Core i5-11600KF was launched on Q2 2021, while the Intel Core i7-6900K was released on Q2 2016.
  • L3 Cache: The Intel Core i5-11600KF has 12 MB of L3 cache, compared to 20 MB for the Intel Core i7-6900K.

Detailed Specifications:

Specs Intel Core i5-11600KF Intel Core i7-6900K
Intel Intel
Manufacturer Intel Intel
Speed 3.9 GHz 3.2 GHz
Turbo 4.9 GHz 4.0 GHz
Cores 6 8
Threads 12 16
Class Desktop Desktop
Socket FCLGA1200 FCLGA2011-3
Launched Q2 2021 Q2 2016
L3 Cache 12 MB 20 MB

Review:

Single Core Performance:


CPU Performance in single-threaded applications

Intel Core i5-11600KF:



55%
Intel Core i7-6900K:
38%
* More is Better

Multi Core Performance:


CPU Performance in multi-threaded applications

Intel Core i5-11600KF



28%
Intel Core i7-6900K:
20%
* More is Better

Power Efficiency:


Power Consumption of CPU under full load

Intel Core i5-11600KF: 125 watts



31.25%
Intel Core i7-6900K: 140 watts
35%
* Lower is Better

Launched Date:


Time when the CPU was launched


Intel Core i5-11600KF : Q2 2021 ✅

Intel Core i7-6900K : Q2 2016 ✅

* Newer is Better

CPU Launch FINAL SCORE:

CPU Final Rating Ratings

Intel Core i5-11600KF



Intel Core i7-6900K


Pro's and Con's

Intel Core i5-11600KF – Pros and Cons

Pros:

  • Newer Release: The Intel Core i5-11600KF was launched more recently (Q2 2021) compared to the Intel Core i7-6900K (Q2 2016). This means it benefits from the latest advancements in technology, improved efficiency, and potentially better software optimization.
  • Higher Base Clock Speed: The Intel Core i5-11600KF has a higher base clock speed of 3.9 GHz compared to the Intel Core i7-6900K's 3.2 GHz. This results in better performance for single-threaded tasks and general responsiveness.
  • Higher Turbo Boost Speed: The Intel Core i5-11600KF supports a higher turbo boost speed of 4.9 GHz compared to the Intel Core i7-6900K's 4.0 GHz. This allows for better performance during peak workloads.
  • Faster Single-Core Performance: With a single-threaded performance score of 3337, the Intel Core i5-11600KF outperforms the Intel Core i7-6900K (score: 2328). This makes it better suited for tasks that rely on single-core performance, such as gaming or everyday productivity.
  • Higher CPU Mark Score: The Intel Core i5-11600KF has a higher CPU Mark score of 133.09 compared to the Intel Core i7-6900K's 118.61. This indicates better overall performance across a wide range of tasks.

Cons:

  • Fewer Cores: The Intel Core i5-11600KF has 6 cores, which is fewer than the Intel Core i7-6900K's 8 cores. This could impact performance in multi-threaded workloads, such as rendering, compiling code, or running virtual machines.
  • Fewer Threads: The Intel Core i5-11600KF has 12 threads, which is fewer than the Intel Core i7-6900K's 16 threads. This may limit its ability to handle highly parallel workloads efficiently.

Intel Core i7-6900K – Pros and Cons

Pros:

  • Larger L3 Cache: The Intel Core i7-6900K features a larger L3 cache of 20MB compared to the Intel Core i5-11600KF's 12MB. 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:

  • Lower Multi-Core Performance: In multi-threaded tasks, the Intel Core i7-6900K scores 14470, which is lower than the Intel Core i5-11600KF's score of 19597. This makes the Intel Core i5-11600KF a better choice for heavy multitasking or parallel processing.
  • Higher Power Consumption: The Intel Core i7-6900K has a higher TDP of 140W compared to the Intel Core i5-11600KF's 125W. This means it may consume more power, leading to higher energy costs and potentially more heat generation, which could require better cooling solutions.


Productivity


Intel Core i5-11600KF
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.

Intel Core i7-6900K
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.


Gaming

Intel Core i5-11600KF
Ideal for Mid Level level gaming (when paired with a dedicated GPU) and Mid Level level computing.

Intel Core i7-6900K
Ideal for Mid Level level gaming (when paired with a dedicated GPU) and Mid Level level computing.



Verdict

Intel Core i5-11600KF

The Intel Core i5-11600KF 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.

Intel Core i7-6900K

The Intel Core i7-6900K 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.