vsversusfinder

Intel Core i7-8700K Desktop Processor 6 Cores up vs Intel® Core™ Ultra 7 Desktop Processor 265 20

Updated August 2026 — Intel® Core™ Ultra 7 Desktop Processor 265 20 leads on cores and performance.

The Intel® Core™ Ultra 7 is the superior choice for performance, while the i7-8700K is more budget-friendly.

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

Price

i7-8700K is significantly cheaper.

Compatibility

Works with older 300 series motherboards.

Power

Higher TDP may be less efficient.

Why Intel® Core™ Ultra 7 Desktop Processor 265 20 is better

Cores

Ultra 7 has 20 cores vs 6 cores.

Speed

Ultra 7 reaches up to 5.3 GHz.

Performance

Better for multitasking and gaming.

Overall score

Intel Core i7-8700K Desktop Processor 6 Cores up
70
Intel® Core™ Ultra 7 Desktop Processor 265 20
90

Specifications

SpecIntel Core i7-8700K Desktop Processor 6 Cores upIntel® Core™ Ultra 7 Desktop Processor 265 20
BrandIntelIntel
GraphicsUHD 630Integrated
ArchitectureStandardHybrid
Optane SupportYesYes
Motherboard300 Series800 Series

Dimension comparison

Intel Core i7-8700K Desktop Processor 6 Cores upIntel® Core™ Ultra 7 Desktop Processor 265 20

Overview of the Processors

When comparing the Intel Core i7-8700K Desktop Processor and the Intel® Core™ Ultra 7 Desktop Processor 265, the latter offers significantly more cores and higher clock speeds. The i7-8700K features 6 cores and can reach speeds up to 4.7 GHz, while the Ultra 7 boasts a performance hybrid architecture with 20 cores, including 8 P-cores and 12 E-cores, reaching up to 5.3 GHz. This fundamental difference positions the Ultra 7 as the more powerful option for demanding tasks.

The Intel Core i7-8700K is priced at $185.37, making it about 38% cheaper than the Intel® Core™ Ultra 7, which is priced at $299.99. This price difference should be considered based on your specific usage needs, whether you prioritize cost or performance.

Performance Comparison

In terms of performance, the Intel® Core™ Ultra 7 is superior, thanks to its 20 cores and a maximum clock speed of 5.3 GHz compared to the i7-8700K’s 6 cores and 4.7 GHz maximum. This hybrid architecture allows the Ultra 7 to manage workloads more efficiently, making it ideal for gaming and productivity tasks that demand high performance.

The i7-8700K, while still capable with its 6 cores and 12 threads, might struggle in environments that require extensive multitasking or high computational power. Its 3.70 GHz base frequency is adequate for general use, but for gaming or content creation, the Ultra 7’s additional cores and higher clock speed provide a distinct advantage.

Gaming Capabilities

For gamers, the choice between these two processors is crucial. The Intel Core i7-8700K is known for providing outstanding gaming experiences, with its high turbo frequency and compatibility with Intel Optane Memory, which enhances loading times and overall system performance.

However, the Intel® Core™ Ultra 7 takes gaming a notch higher with its greater number of cores and threads, allowing for smoother gameplay even in resource-intensive scenarios. The Ultra 7’s ability to handle multiple tasks simultaneously means that gamers can stream or record their gameplay without any significant dips in performance, making it the more future-proof option for serious gamers.

Graphics Performance

Both processors come with integrated graphics, but they cater to different levels of performance. The Intel Core i7-8700K features Intel UHD Graphics 630, which is suitable for casual gaming and everyday tasks. While it may handle older games and light gaming well, it cannot compete with more demanding graphics requirements.

On the other hand, the Intel® Core™ Ultra 7 includes integrated graphics as well, designed to support higher-performance needs. With its advanced architecture, it can better manage graphical tasks, potentially delivering better frame rates and visual quality in modern games. For users who prioritize graphics along with processing power, the Ultra 7 is a clear choice.

Compatibility and Motherboard Requirements

Compatibility is an important factor when choosing a processor. The Intel Core i7-8700K is designed to work with motherboards based on Intel’s 300 Series Chipsets. This means that if you already own a compatible motherboard, upgrading to the i7-8700K could be seamless.

In contrast, the Intel® Core™ Ultra 7 requires a newer Intel 800 series chipset-based motherboard. This could add to the overall cost if you need to purchase a new motherboard, but it also means that you will be investing in more advanced technology that supports newer features like PCIe 5.0 and DDR5 memory, which can enhance overall system performance.

Power Consumption

The power consumption of a CPU can affect your overall system cost and performance. The Intel Core i7-8700K has a Thermal Design Power (TDP) of 95W, which is relatively standard for high-performance processors of its generation.

In contrast, the Intel® Core™ Ultra 7 has a lower base power consumption at 65W. This means it may operate more efficiently, potentially leading to lower energy costs over time. For users concerned about power efficiency in addition to performance, the Ultra 7 may provide a better balance of power and performance.

Price Analysis

The Intel Core i7-8700K is priced at $185.37, making it a more budget-friendly option for those who need a capable processor without breaking the bank. In comparison, the Intel® Core™ Ultra 7 is priced at $299.99, which is about 62% more expensive.

While the price difference may deter some buyers, the Ultra 7 provides substantial performance enhancements that can justify the higher cost, especially for users who require intensive processing capabilities for tasks such as gaming, streaming, or content creation.

Which should you buy?

Choosing between the Intel Core i7-8700K and the Intel® Core™ Ultra 7 depends largely on your specific needs and budget. If you are looking for an affordable processor that handles everyday tasks and gaming well, the i7-8700K is a solid choice. However, for those who require superior performance, especially in gaming and productivity, the Intel® Core™ Ultra 7 is worth the investment despite its higher price. The additional cores, higher clock speed, and advanced architecture make it a more future-proof option, ensuring that it can handle next-generation applications and games effectively.