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Intel BX80677I77700K 7th Gen Pentium Desktop Processor vs Intel Core i7-8700K Desktop Processor 6 Cores up

Updated August 2026 — Intel BX80677I77700K 7th Gen Pentium Desktop Processor wins on price, Intel Core i7-8700K Desktop Processor 6 Cores up wins on cores and clock speed.

The Intel Core i7-8700K outperforms the Intel BX80677I77700K in multitasking and speed, making it the better choice for demanding applications.

Why Intel BX80677I77700K 7th Gen Pentium Desktop Processor is better

Price

BX80677I77700K is slightly more expensive.

Integrated Graphics

Both have Intel UHD Graphics 630.

General Use

BX80677I77700K is suitable for everyday tasks.

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

Cores

i7-8700K has 6 cores compared to 4.

Turbo Frequency

i7-8700K can boost to 4.7 GHz.

Cache Size

i7-8700K has 12 MB cache vs 8 MB.

Overall score

Intel BX80677I77700K 7th Gen Pentium Desktop Processor
75
Intel Core i7-8700K Desktop Processor 6 Cores up
85

Specifications

SpecIntel BX80677I77700K 7th Gen Pentium Desktop ProcessorIntel Core i7-8700K Desktop Processor 6 Cores up
Base Clock4.2 GHz3.7 GHz
Max Turbo4.5 GHz4.7 GHz
Threads812
Cache Size8 MB12 MB
Price$186.69$185.37

Dimension comparison

Intel BX80677I77700K 7th Gen Pentium Desktop ProcessorIntel Core i7-8700K Desktop Processor 6 Cores up

Overview of the Processors

In this comparison, we examine the Intel BX80677I77700K 7th Gen Pentium Desktop Processor and the Intel Core i7-8700K Desktop Processor. The former is priced at $186.69, while the latter is slightly less expensive at $185.37, making the i7-8700K about 0.7% cheaper. Both processors are designed for high-performance computing, but they cater to slightly different needs and user experiences.

Core Architecture

The Intel BX80677I77700K features 4 cores and supports 8 threads, while the Intel Core i7-8700K boasts 6 cores and 12 threads. This gives the i7-8700K a significant advantage in multitasking and parallel processing capabilities. The additional cores of the i7-8700K can enhance performance in demanding applications, particularly those that utilize multi-threading, making it a better choice for power users and gamers.

Clock Speed and Performance

The Intel BX80677I77700K has a base clock speed of 4.2 GHz and can boost up to 4.5 GHz. In contrast, the Intel Core i7-8700K has a base clock speed of 3.7 GHz but can turbo boost up to a higher 4.7 GHz. This 4.4% increase in max turbo frequency can lead to better performance in single-threaded tasks, making the i7-8700K more suitable for scenarios that require speed and responsiveness.

Cache Memory

Cache memory plays a critical role in processor performance. The Intel BX80677I77700K comes with 8 MB of cache, while the Intel Core i7-8700K has a larger 12 MB cache. The additional cache in the i7-8700K can improve data retrieval speed and enhance overall processing efficiency, particularly in data-heavy applications which rely on quick access to frequently used data.

Compatibility

Compatibility with motherboards is another important consideration. The Intel BX80677I77700K is compatible with Intel 100 or 200 Series chipsets, whereas the Intel Core i7-8700K is designed for Intel 300 Series chipsets. Users should consider their existing hardware and whether they are willing to upgrade their motherboards to maximize compatibility and performance with the i7-8700K.

Integrated Graphics

Both processors feature Intel UHD Graphics 630, providing decent integrated graphics performance for everyday tasks and light gaming. However, neither processor is primarily focused on gaming performance, as they are generally designed for users who may not require discrete graphics solutions. This similarity means that for users focused on integrated graphics, both options are equally suitable.

Over the past 90 days, the price of the Intel BX80677I77700K has averaged around $186.90, while the Intel Core i7-8700K has averaged $187.88. This indicates that the BX80677I77700K has been slightly more stable in terms of pricing trends, while the i7-8700K has shown a bit more fluctuation. Nonetheless, both processors remain within a similar price range, making them competitive options for consumers.

Target Audience

The Intel BX80677I77700K is ideal for users who need a reliable processor for general computing tasks, such as web browsing, office applications, and light gaming. In contrast, the Intel Core i7-8700K is better suited for gamers, content creators, and professionals who need a robust processor for intensive applications. The additional cores and higher clock speeds of the i7-8700K make it the preferred choice for demanding scenarios.

Which should you buy?

Ultimately, the choice between the Intel BX80677I77700K and the Intel Core i7-8700K depends on your specific needs and budget. If you're looking for a budget-friendly processor for everyday tasks, the BX80677I77700K at $186.69 may suffice. However, for those requiring superior performance in gaming and multitasking, the i7-8700K, priced at $185.37, offers more cores, a higher max turbo frequency, and a larger cache, making it the better investment.