Comparison between Intel Core i5-10400 and Intel Core i9-10900KF
Both CPUs are manufactured by Intel.
Intel Core i9-10900KF has a higher base speed of 3.7 GHz compared to Intel Core i5-10400's 2.9 GHz.
Intel Core i9-10900KF has a higher turbo speed of 5.3 GHz compared to Intel Core i5-10400's 4.3 GHz.
Intel Core i9-10900KF has more cores (10) compared to Intel Core i5-10400's 6 cores.
Intel Core i9-10900KF supports more threads (20) compared to Intel Core i5-10400's 12 threads.
Both CPUs belong to the same class: Desktop.
Both CPUs use the same socket type: FCLGA1200.
Both CPUs were launched in the same year: Q2 2020.
Intel Core i9-10900KF has a larger L3 cache of 20 MB compared to Intel Core i5-10400's 12 MB.
Specification Summary
The Intel Core i5-10400 and Intel Core i9-10900KF 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 i5-10400 has a base speed of 2.9 GHz, while the Intel Core i9-10900KF runs at 3.7 GHz.
Turbo Boost: The Intel Core i5-10400 supports a turbo speed of 4.3 GHz, compared to 5.3 GHz for the Intel Core i9-10900KF.
Cores: The Intel Core i5-10400 has 6 cores, while the Intel Core i9-10900KF has 10 cores.
Threads: The Intel Core i5-10400 supports 12 threads, compared to 20 threads for the Intel Core i9-10900KF.
Class: Both processors are designed for Desktop use.
Socket: The Intel Core i5-10400 uses the FCLGA1200, while the Intel Core i9-10900KF uses the FCLGA1200.
Launch Date: The Intel Core i5-10400 was launched on Q2 2020, while the Intel Core i9-10900KF was released on Q2 2020.
L3 Cache: The Intel Core i5-10400 has 12 MB of L3 cache, compared to 20 MB for the Intel Core i9-10900KF.
Detailed Specifications:
Specs
Intel Core i5-10400
Intel Core i9-10900KF
Manufacturer
Intel
Intel
Speed
2.9 GHz
3.7 GHz
Turbo
4.3 GHz
5.3 GHz
Cores
6
10
Threads
12
20
Class
Desktop
Desktop
Socket
FCLGA1200
FCLGA1200
Launched
Q2 2020
Q2 2020
L3 Cache
12 MB
20 MB
Review:
Single Core Performance:
CPU Performance in single-threaded applications
Intel Core i5-10400:
42%
Intel Core i9-10900KF:
51%
* More is Better
Multi Core Performance:
CPU Performance in multi-threaded applications
Intel Core i5-10400
17%
Intel Core i9-10900KF:
32%
* More is Better
Power Efficiency:
Power Consumption of CPU under full load
Intel Core i5-10400: 65 watts
16.25%
Intel Core i9-10900KF: 125 watts
31.25%
* Lower is Better
Launched Date:
Time when the CPU was launched
Intel Core i5-10400 : Q2 2020 ✅
Intel Core i9-10900KF : Q2 2020 ✅
* Newer is Better
CPU Launch FINAL SCORE:
CPU Final Rating Ratings
Intel Core i5-10400
Intel Core i9-10900KF
Pro's and Con's
Intel Core i5-10400 – Pros and Cons
Pros:
Higher CPU Mark Score: The Intel Core i5-10400 has a higher CPU Mark score of 100.97 compared to the Intel Core i9-10900KF's 74.22. This indicates better overall performance across a wide range of tasks.
Cons:
Fewer Cores: The Intel Core i5-10400 has 6 cores, which is fewer than the Intel Core i9-10900KF'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 i5-10400 has 12 threads, which is fewer than the Intel Core i9-10900KF'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 i5-10400 scores 12116, which is lower than the Intel Core i9-10900KF's score of 22500. This makes the Intel Core i9-10900KF a better choice for heavy multitasking or parallel processing.
Intel Core i9-10900KF – Pros and Cons
Pros:
Higher Base Clock Speed: The Intel Core i9-10900KF has a higher base clock speed of 3.7 GHz compared to the Intel Core i5-10400's 2.9 GHz. This results in better performance for single-threaded tasks and general responsiveness.
Higher Turbo Boost Speed: The Intel Core i9-10900KF supports a higher turbo boost speed of 5.3 GHz compared to the Intel Core i5-10400's 4.3 GHz. This allows for better performance during peak workloads.
Faster Single-Core Performance: With a single-threaded performance score of 3117, the Intel Core i9-10900KF outperforms the Intel Core i5-10400 (score: 2568). 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 i9-10900KF features a larger L3 cache of 20MB compared to the Intel Core i5-10400'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:
Higher Power Consumption: The Intel Core i9-10900KF has a higher TDP of 125W compared to the Intel Core i5-10400'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.
Productivity
Intel Core i5-10400
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 i9-10900KF
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 i5-10400
Ideal for Mid Level level gaming (when paired with a dedicated GPU) and Mid Level level computing.
Intel Core i9-10900KF
Ideal for Mid Level level gaming (when paired with a dedicated GPU) and Mid Level level computing.
Verdict
Intel Core i5-10400
The Intel Core i5-10400 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 i9-10900KF
The Intel Core i9-10900KF 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.
