Intel Core i7-8700K Desktop Processor 6 Cores up vs Intel® Core™ Ultra 5 Desktop Processor 225F 10
Updated August 2026 — Intel Core i7-8700K Desktop Processor 6 Cores up wins on compatibility and support, Intel® Core™ Ultra 5 Desktop Processor 225F 10 wins on performance and value.
The Intel Core Ultra 5 225F offers more cores and modern architecture, making it a better choice for multitasking, while the i7-8700K excels in gaming performance.
Why Intel Core i7-8700K Desktop Processor 6 Cores up is better
Gaming Performance
Higher clock speed for better FPS
Established Reputation
Long-standing presence in gaming community
Integrated Graphics
Includes Intel UHD Graphics 630
Why Intel® Core™ Ultra 5 Desktop Processor 225F 10 is better
Core Count
10 cores vs 6 cores for better multitasking
Modern Features
Supports PCIe 5.0 and DDR5 RAM
Cache Size
22 MB cache vs 12 MB cache for improved performance
Overall score
Specifications
| Spec | Intel Core i7-8700K Desktop Processor 6 Cores up | Intel® Core™ Ultra 5 Desktop Processor 225F 10 |
|---|---|---|
| Cores | 6 | 10 |
| Threads | 12 | 14 |
| Max Frequency | 4.7 GHz | 4.9 GHz |
| Cache | 12 MB | 22 MB |
| TDP | 95W | 65W |
Dimension comparison
Overview of the Intel Core i7-8700K
The Intel Core i7-8700K Desktop Processor is a robust choice for gamers and content creators alike, boasting a price of $185.37. This processor features 6 cores and 12 threads, with a maximum turbo frequency of up to 4.7 GHz. It operates on a 95W TDP and is designed for Intel 300 Series chipsets, making it a solid option for those looking to build or upgrade their systems. The processor also supports Intel Optane Memory and includes Intel UHD Graphics 630, adding versatility for users who may not have a dedicated graphics card.
In terms of performance, the i7-8700K is well-regarded for its strong single-threaded capabilities, making it an excellent option for gaming and tasks that require quick processing times. The processor is aimed at users who prioritize high clock speeds and efficient multitasking, allowing them to enjoy smooth gameplay and seamless content creation.
Overview of the Intel Core Ultra 5 225F
The Intel Core Ultra 5 Desktop Processor 225F is positioned as a powerful alternative, priced at $167.49, making it about 10% cheaper than the i7-8700K. This processor features a unique hybrid architecture with 10 cores—6 Performance cores and 4 Efficient cores—along with 14 threads, which allows for optimized workload distribution. It reaches a maximum frequency of up to 4.9 GHz and includes a sizable 22 MB cache, enhancing its capabilities for both gaming and productivity tasks.
This processor is compatible with Intel 800 Series chipset-based motherboards and supports both PCIe 5.0 and 4.0, making it future-proof for upcoming graphics cards and storage solutions. Its performance hybrid design means that it can handle multitasking efficiently, making it an appealing choice for users who demand high performance across a variety of applications.
Performance Comparison
In terms of raw performance, the Intel Core Ultra 5 225F offers a significant advantage with its 10 cores compared to the 6 cores of the i7-8700K. This results in better multitasking capabilities and improved performance in multi-threaded applications. With a maximum frequency of 4.9 GHz, the Ultra 5 slightly edges out the i7-8700K in single-threaded tasks as well.
However, the i7-8700K's strong single-threaded performance should not be overlooked, especially for gaming, where higher clock speeds can yield better frame rates. The choice between these two processors may ultimately depend on the specific use case, as the Ultra 5 is better suited for multi-tasking while the i7-8700K shines in gaming scenarios.
Compatibility and Upgrade Path
Compatibility is a crucial factor when selecting a processor for your build. The Intel Core i7-8700K is compatible with Intel 300 Series motherboards, while the Intel Core Ultra 5 225F requires an Intel 800 Series chipset. This means that if you're looking to upgrade an existing system, the i7-8700K may be a more straightforward option for users already on the Intel 300 platform.
On the other hand, choosing the Ultra 5 could mean a more future-proof investment, especially with its support for PCIe 5.0 and DDR5 RAM. Users who plan to upgrade their entire system may find the Ultra 5 to be a more appealing option, as it allows for newer technologies and improved performance in the long run.
Gaming Performance
When it comes to gaming performance, the Intel Core i7-8700K is known for its strong capabilities, particularly with its higher clock speed of up to 4.7 GHz. This makes it a favorite among gamers who seek maximum frames per second (FPS) in competitive settings. Its efficient design allows it to handle modern games with ease, making it a solid choice for those focused solely on gaming.
Conversely, the Intel Core Ultra 5 225F also performs admirably in gaming scenarios, particularly due to its hybrid architecture. While it may not reach the same clock speeds as the i7-8700K, the additional cores can provide advantages in games that are optimized for multi-core processing. For gamers who also engage in streaming or content creation, the Ultra 5's extra cores can be beneficial.
Pricing and Value
In terms of pricing, the Intel Core Ultra 5 225F is currently listed at $167.49, making it approximately $17.88 cheaper than the i7-8700K, which retails for $185.37. This price difference of about 10% may be significant for budget-conscious consumers looking for the best performance-to-cost ratio.
Both processors offer great value for their respective prices, but the Ultra 5's additional cores and modern architecture provide it with a unique edge, especially for users who prioritize multitasking and future-proofing their systems. The choice ultimately hinges on whether you value higher clock speeds or more cores for your workload.
User Experience and Support
User experience can greatly influence the decision between the two processors. The Intel Core i7-8700K has a long-standing reputation in the gaming community and boasts a wealth of resources for support and customization, making it a reliable option for gamers and enthusiasts. Its established presence means that many users have shared insights and optimizations that can lead to better performance.
The Intel Core Ultra 5 225F, while newer, aims to cater to a growing audience of gamers and content creators by offering modern features and support for new technologies. However, as it is a newer release, the community support and resources may not be as extensive as those available for the i7-8700K. Still, Intel's track record for driver updates and support remains strong.
Which should you buy?
Deciding between the Intel Core i7-8700K and the Intel Core Ultra 5 225F ultimately comes down to your specific needs and budget. If you prioritize gaming performance and are looking for a processor with a proven track record, the i7-8700K is an excellent choice. However, if you seek a more modern architecture with additional cores for multitasking and future-proofing, the Ultra 5 225F offers compelling advantages at a slightly lower price point. Consider your primary use case and choose the processor that aligns best with your computing needs.

