Comparison between Intel Core i9-7900X and Intel Core i7-5820K
Both CPUs are manufactured by Intel.
Both CPUs have the same base speed of 3.3 GHz.
Intel Core i9-7900X has a higher turbo speed of 4.5 GHz compared to Intel Core i7-5820K's 3.6 GHz.
Intel Core i9-7900X has more cores (10) compared to Intel Core i7-5820K's 6 cores.
Intel Core i9-7900X supports more threads (20) compared to Intel Core i7-5820K's 12 threads.
Both CPUs belong to the same class: Desktop.
Intel Core i9-7900X uses the FCLGA2066 socket, while Intel Core i7-5820K uses the LGA2011-v3 socket.
Intel Core i9-7900X was launched in Q2 2017, while Intel Core i7-5820K was launched in Q3 2014.
Intel Core i7-5820K has a larger L3 cache of 15 MB compared to Intel Core i9-7900X's 14 MB.
Specification Summary
The Intel Core i9-7900X and Intel Core i7-5820K 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 i9-7900X has a base speed of 3.3 GHz, while the Intel Core i7-5820K runs at 3.3 GHz.
Turbo Boost: The Intel Core i9-7900X supports a turbo speed of 4.5 GHz, compared to 3.6 GHz for the Intel Core i7-5820K.
Cores: The Intel Core i9-7900X has 10 cores, while the Intel Core i7-5820K has 6 cores.
Threads: The Intel Core i9-7900X supports 20 threads, compared to 12 threads for the Intel Core i7-5820K.
Class: Both processors are designed for Desktop use.
Socket: The Intel Core i9-7900X uses the FCLGA2066, while the Intel Core i7-5820K uses the LGA2011-v3.
Launch Date: The Intel Core i9-7900X was launched on Q2 2017, while the Intel Core i7-5820K was released on Q3 2014.
L3 Cache: The Intel Core i9-7900X has 14 MB of L3 cache, compared to 15 MB for the Intel Core i7-5820K.
Detailed Specifications:
Specs
Intel Core i9-7900X
Intel Core i7-5820K
Manufacturer
Intel
Intel
Speed
3.3 GHz
3.3 GHz
Turbo
4.5 GHz
3.6 GHz
Cores
10
6
Threads
20
12
Class
Desktop
Desktop
Socket
FCLGA2066
LGA2011-v3
Launched
Q2 2017
Q3 2014
L3 Cache
14 MB
15 MB
Review:
Single Core Performance:
CPU Performance in single-threaded applications
Intel Core i9-7900X:
42%
Intel Core i7-5820K:
33%
* More is Better
Multi Core Performance:
CPU Performance in multi-threaded applications
Intel Core i9-7900X
30%
Intel Core i7-5820K:
14%
* More is Better
Power Efficiency:
Power Consumption of CPU under full load
Intel Core i9-7900X: 140 watts
35%
Intel Core i7-5820K: 140 watts
35%
* Lower is Better
Launched Date:
Time when the CPU was launched
Intel Core i9-7900X : Q2 2017 ✅
Intel Core i7-5820K : Q3 2014 ✅
* Newer is Better
CPU Launch FINAL SCORE:
CPU Final Rating Ratings
Intel Core i9-7900X
Intel Core i7-5820K
Pro's and Con's
Intel Core i9-7900X – Pros and Cons
Pros:
Higher Turbo Boost Speed: The Intel Core i9-7900X supports a higher turbo boost speed of 4.5 GHz compared to the Intel Core i7-5820K's 3.6 GHz. This allows for better performance during peak workloads.
Faster Single-Core Performance: With a single-threaded performance score of 2554, the Intel Core i9-7900X outperforms the Intel Core i7-5820K (score: 1992). This makes it better suited for tasks that rely on single-core performance, such as gaming or everyday productivity.
Cons:
Not available
Intel Core i7-5820K – Pros and Cons
Pros:
Newer Release: The Intel Core i7-5820K was launched more recently (Q3 2014) compared to the Intel Core i9-7900X (Q2 2017). This means it benefits from the latest advancements in technology, improved efficiency, and potentially better software optimization.
Larger L3 Cache: The Intel Core i7-5820K features a larger L3 cache of 15MB compared to the Intel Core i9-7900X's 14MB. 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 i7-5820K has a higher CPU Mark score of 70.75 compared to the Intel Core i9-7900X's 64.74. This indicates better overall performance across a wide range of tasks.
Cons:
Fewer Cores: The Intel Core i7-5820K has 6 cores, which is fewer than the Intel Core i9-7900X's 10 cores. This could impact performance in multi-threaded workloads, such as rendering, compiling code, or running virtual machines.
Fewer Threads: The Intel Core i7-5820K has 12 threads, which is fewer than the Intel Core i9-7900X's 20 threads. This may limit its ability to handle highly parallel workloads efficiently.
Lower Multi-Core Performance: In multi-threaded tasks, the Intel Core i7-5820K scores 9835, which is lower than the Intel Core i9-7900X's score of 21041. This makes the Intel Core i9-7900X a better choice for heavy multitasking or parallel processing.
Productivity
Intel Core i9-7900X
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 i7-5820K
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 i9-7900X
Ideal for Mid Level level gaming (when paired with a dedicated GPU) and Mid Level level computing.
Intel Core i7-5820K
Ideal for Mid Level level gaming (when paired with a dedicated GPU) and Mid Level level computing.
Verdict
Intel Core i9-7900X
The Intel Core i9-7900X 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 i7-5820K
The Intel Core i7-5820K 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.
