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Intel Core i7-14700F Desktop Processor 20 cores up vs Intel Core i7-8700K Desktop Processor 6 Cores up

Updated August 2026 — Intel Core i7-14700F Desktop Processor 20 cores up wins on core count and cache size, Intel Core i7-8700K Desktop Processor 6 Cores up wins on price.

The Intel Core i7-14700F outperforms the i7-8700K in almost every aspect, making it the better choice for high-performance tasks.

Why Intel Core i7-14700F Desktop Processor 20 cores up is better

Core Count

20 cores vs 6 cores

Clock Speed

Up to 5.4 GHz vs 4.7 GHz

Cache Size

33MB vs 12MB

Why Intel Core i7-8700K Desktop Processor 6 Cores up is better

Price

$185.37 vs $329.99

Integrated Graphics

Includes Intel UHD Graphics 630

Power Consumption

Lower thermal design power at 95W

Overall score

Intel Core i7-14700F Desktop Processor 20 cores up
92
Intel Core i7-8700K Desktop Processor 6 Cores up
75

Specifications

SpecIntel Core i7-14700F Desktop Processor 20 cores upIntel Core i7-8700K Desktop Processor 6 Cores up
Cores20 (8 P-cores + 12 E-cores)6
Threads2812
Max Clock5.4 GHz4.7 GHz
Cache33MB12MB
Power65W95W
GraphicsNoYes

Dimension comparison

Intel Core i7-14700F Desktop Processor 20 cores upIntel Core i7-8700K Desktop Processor 6 Cores up

Overview of the Intel Core i7-14700F and Intel Core i7-8700K

The Intel Core i7-14700F is a significantly more advanced processor compared to the Intel Core i7-8700K. With 20 cores versus 6, the i7-14700F is designed for high-performance tasks, while the i7-8700K focuses on a solid gaming experience for its time. The i7-14700F retails for $329.99, while the i7-8700K is about 44% cheaper at $185.37.

Core Count and Architecture

The core architecture of these processors showcases a substantial difference in their design intent. The Intel Core i7-14700F boasts 20 cores (8 P-cores and 12 E-cores) and 28 threads, making it ideal for multitasking and demanding applications. In contrast, the Intel Core i7-8700K features only 6 cores and 12 threads, which may limit its performance in heavily threaded workloads. The hybrid architecture of the i7-14700F prioritizes workloads intelligently, enhancing efficiency and throughput for both gaming and productivity tasks.

Clock Speed Performance

When it comes to clock speed, the Intel Core i7-14700F can reach up to 5.4 GHz, compared to the i7-8700K's maximum turbo frequency of 4.7 GHz. This 15% increase in peak clock speed for the i7-14700F allows for faster processing in scenarios that require high single-thread performance. Users looking for maximum performance in applications, including gaming and content creation, will find the higher clock speed of the i7-14700F a significant advantage.

Cache Size

The cache size is another key differentiator between these two processors. The Intel Core i7-14700F features a sizeable 33MB cache, which can greatly improve performance by allowing frequently accessed data to be retrieved quickly. On the other hand, the i7-8700K's cache is considerably smaller at 12MB. The larger cache of the i7-14700F means it can handle more simultaneous processes, making it superior for those who run multiple applications or engage in heavy multitasking.

Compatibility and Upgrade Potential

Compatibility with motherboards is essential for potential buyers. The Intel Core i7-14700F is compatible with Intel 600-series and 700-series chipsets, giving users flexibility for future upgrades. The i7-8700K, however, is limited to motherboards based on Intel 300 Series chipsets. This restriction may influence buyers who are considering building or upgrading their systems, as the more modern i7-14700F offers greater longevity and potential for future enhancements.

Integrated Graphics

An important feature for some users is integrated graphics. The Intel Core i7-8700K includes Intel UHD Graphics 630, which allows it to handle basic graphical tasks without a dedicated GPU. In contrast, the i7-14700F does not come with integrated graphics, necessitating a discrete graphics card. This could be a drawback for users looking for a budget build without an additional GPU expense, although the i7-14700F is more geared toward high-performance systems where a dedicated GPU is expected.

Thermal Management

Thermal management is crucial for maintaining optimal performance, especially in high-demand scenarios. The Intel Core i7-14700F has a base power of 65W and comes with the Intel Laminar RM1 thermal solution included in the box. The i7-8700K, with a higher thermal design power of 95W, may require more robust cooling solutions to maintain performance under load. This difference can be a consideration for users looking to build quieter or more power-efficient systems.

Which should you buy?

Choosing between the Intel Core i7-14700F and the Intel Core i7-8700K largely depends on the buyer's needs and budget. The i7-14700F is a powerhouse with its 20 cores, higher clock speed, and larger cache, making it ideal for demanding tasks and future-proofing. However, at $185.37, the i7-8700K provides a solid option for gamers and users who don't require extreme performance and prefer a lower price point. Ultimately, if performance is paramount and budget allows, the i7-14700F is the clear choice; if cost is the primary concern, the i7-8700K still offers respectable capabilities for less.