Comparison between Intel Core i9-11900KF and Intel Core i7-7820X
Both CPUs are manufactured by Intel.
Intel Core i7-7820X has a higher base speed of 3.6 GHz compared to Intel Core i9-11900KF's 3.5 GHz.
Intel Core i9-11900KF has a higher turbo speed of 5.3 GHz compared to Intel Core i7-7820X's 4.3 GHz.
Both CPUs have the same number of cores (8).
Both CPUs support the same number of threads (16).
Both CPUs belong to the same class: Desktop.
Intel Core i9-11900KF uses the FCLGA1200 socket, while Intel Core i7-7820X uses the FCLGA2066 socket.
Intel Core i9-11900KF was launched in Q2 2021, while Intel Core i7-7820X was launched in Q2 2017.
Intel Core i9-11900KF has a larger L3 cache of 16 MB compared to Intel Core i7-7820X's 11 MB.
Specification Summary
The Intel Core i9-11900KF and Intel Core i7-7820X 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 i9-11900KF has a base speed of 3.5 GHz, while the Intel Core i7-7820X runs at 3.6 GHz.
Turbo Boost: The Intel Core i9-11900KF supports a turbo speed of 5.3 GHz, compared to 4.3 GHz for the Intel Core i7-7820X.
Cores: The Intel Core i9-11900KF has 8 cores, while the Intel Core i7-7820X has 8 cores.
Threads: The Intel Core i9-11900KF supports 16 threads, compared to 16 threads for the Intel Core i7-7820X.
Class: Both processors are designed for Desktop use.
Socket: The Intel Core i9-11900KF uses the FCLGA1200, while the Intel Core i7-7820X uses the FCLGA2066.
Launch Date: The Intel Core i9-11900KF was launched on Q2 2021, while the Intel Core i7-7820X was released on Q2 2017.
L3 Cache: The Intel Core i9-11900KF has 16 MB of L3 cache, compared to 11 MB for the Intel Core i7-7820X.
Detailed Specifications:
Specs
Intel Core i9-11900KF
Intel Core i7-7820X
Manufacturer
Intel
Intel
Speed
3.5 GHz
3.6 GHz
Turbo
5.3 GHz
4.3 GHz
Cores
8
8
Threads
16
16
Class
Desktop
Desktop
Socket
FCLGA1200
FCLGA2066
Launched
Q2 2021
Q2 2017
L3 Cache
16 MB
11 MB
Review:
Single Core Performance:
CPU Performance in single-threaded applications
Intel Core i9-11900KF:
58%
Intel Core i7-7820X:
42%
* More is Better
Multi Core Performance:
CPU Performance in multi-threaded applications
Intel Core i9-11900KF
36%
Intel Core i7-7820X:
24%
* More is Better
Power Efficiency:
Power Consumption of CPU under full load
Intel Core i9-11900KF: 125 watts
31.25%
Intel Core i7-7820X: 140 watts
35%
* Lower is Better
Launched Date:
Time when the CPU was launched
Intel Core i9-11900KF : Q2 2021 ✅
Intel Core i7-7820X : Q2 2017 ✅
* Newer is Better
CPU Launch FINAL SCORE:
CPU Final Rating Ratings
Intel Core i9-11900KF
Intel Core i7-7820X
Pro's and Con's
Intel Core i9-11900KF – Pros and Cons
Pros:
Newer Release: The Intel Core i9-11900KF was launched more recently (Q2 2021) compared to the Intel Core i7-7820X (Q2 2017). This means it benefits from the latest advancements in technology, improved efficiency, and potentially better software optimization.
Higher Turbo Boost Speed: The Intel Core i9-11900KF supports a higher turbo boost speed of 5.3 GHz compared to the Intel Core i7-7820X's 4.3 GHz. This allows for better performance during peak workloads.
Faster Single-Core Performance: With a single-threaded performance score of 3532, the Intel Core i9-11900KF outperforms the Intel Core i7-7820X (score: 2524). 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 i9-11900KF features a larger L3 cache of 16MB compared to the Intel Core i7-7820X's 11MB. 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:
Not available
Intel Core i7-7820X – Pros and Cons
Pros:
Higher Base Clock Speed: The Intel Core i7-7820X has a higher base clock speed of 3.6 GHz compared to the Intel Core i9-11900KF's 3.5 GHz. This results in better performance for single-threaded tasks and general responsiveness.
Higher CPU Mark Score: The Intel Core i7-7820X has a higher CPU Mark score of 190.74 compared to the Intel Core i9-11900KF's 87.40. This indicates better overall performance across a wide range of tasks.
Cons:
Lower Multi-Core Performance: In multi-threaded tasks, the Intel Core i7-7820X scores 17164, which is lower than the Intel Core i9-11900KF's score of 24908. This makes the Intel Core i9-11900KF a better choice for heavy multitasking or parallel processing.
Higher Power Consumption: The Intel Core i7-7820X has a higher TDP of 140W compared to the Intel Core i9-11900KF'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 i9-11900KF
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 i7-7820X
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 i9-11900KF
Ideal for Mid Level level gaming (when paired with a dedicated GPU) and Mid Level level computing.
Intel Core i7-7820X
Ideal for Entry Level level gaming (when paired with a dedicated GPU) and Entry Level level computing.
Verdict
Intel Core i9-11900KF
The Intel Core i9-11900KF 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 i7-7820X
The Intel Core i7-7820X 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.
