Intel Core i7-8700K Desktop Processor 6 Cores up vs Intel® Core™ Ultra 9 Desktop Processor 285 24
Updated August 2026 — Intel® Core™ Ultra 9 Desktop Processor 285 24 leads on cores and power efficiency.
The Intel Core Ultra 9 offers superior performance and future-proofing compared to the i7-8700K. However, the i7-8700K is a more budget-friendly option.
Why Intel Core i7-8700K Desktop Processor 6 Cores up is better
Price
i7-8700K is significantly cheaper.
Power Consumption
Lower TDP at 95W.
Integrated Graphics
Includes Intel UHD Graphics 630.
Why Intel® Core™ Ultra 9 Desktop Processor 285 24 is better
Performance
24 cores vs 6 cores.
Turbo Frequency
Up to 5.6 GHz vs 4.7 GHz.
Cache Size
40 MB vs 12 MB.
Overall score
Specifications
| Spec | Intel Core i7-8700K Desktop Processor 6 Cores up | Intel® Core™ Ultra 9 Desktop Processor 285 24 |
|---|---|---|
| Brand | Intel | Intel |
| Model | i7-8700K | Ultra 9 285 |
| Integrated GPU | Yes | Yes |
| PCIe Support | 3.0 | 5.0 & 4.0 |
| Socket Type | LGA1151 | LGA1700 |
Dimension comparison
Overview of the Intel Core i7-8700K
The Intel Core i7-8700K is priced at $185.37 and offers a solid performance for gamers and everyday users alike. With 6 cores and 12 threads, it boasts a maximum turbo frequency of 4.7 GHz, making it suitable for a variety of tasks including gaming and content creation.
This processor features Intel UHD Graphics 630, which provides decent integrated graphics performance for casual gaming and everyday tasks. It is compatible only with motherboards based on Intel’s 300 Series chipsets, which may limit upgrade options for some users. The 12 MB cache enhances processing speed, ensuring smooth multitasking and quick load times for applications. Overall, the i7-8700K remains a reliable choice for users seeking good performance without breaking the bank.
Overview of the Intel Core Ultra 9
The Intel® Core™ Ultra 9 Desktop Processor 285 is a premium offering priced at $569.91, making it significantly more expensive than the i7-8700K. However, it compensates for its higher price with an impressive architecture featuring 24 cores (8 Performance-cores and 16 Efficiency-cores) and 24 threads.
This processor reaches up to 5.6 GHz, showcasing remarkable performance capabilities, especially for demanding tasks like high-end gaming and content creation. The Ultra 9 also supports PCIe 5.0 and 4.0, offering enhanced connectivity options for the latest graphics cards and storage devices. With a 40 MB cache, this processor is designed to handle large workloads efficiently, making it ideal for enthusiasts and professionals looking for top-tier performance.
Performance Comparison
In terms of raw performance, the Intel Core Ultra 9 has a clear advantage over the i7-8700K. With 24 cores compared to the i7-8700K's 6 cores, the Ultra 9 is better equipped to manage multitasking and heavy computational tasks. The Ultra 9's maximum frequency of 5.6 GHz, which is about 19% higher than the i7-8700K's 4.7 GHz, allows it to handle demanding applications more effectively, resulting in faster processing times.
While the i7-8700K remains a solid performer for most gaming and standard applications, the Ultra 9 is designed for power users who require the best performance available. For tasks involving high levels of simultaneous processing, the Ultra 9 will clearly outperform the i7-8700K, making it a superior choice for professionals in creative fields.
Gaming Experience
For gaming, both processors provide a decent experience, but their performance levels vary greatly. The Intel Core i7-8700K, although priced at $185.37, is still a popular choice for gamers who seek reliable performance at a lower price point. Its 6 cores and turbo frequency up to 4.7 GHz allow it to run most modern games smoothly, especially when paired with a capable graphics card.
On the other hand, the Intel Core Ultra 9, with its 24 cores and up to 5.6 GHz, is engineered for gamers who demand the highest frame rates and performance settings. The additional cores and threads allow for better handling of background tasks, such as game streaming or running multiple applications simultaneously. Consequently, serious gamers may find the Ultra 9 worth the investment for its ability to deliver a superior gaming experience.
Value for Money
When considering value for money, the Intel Core i7-8700K stands out with its lower price of $185.37. This makes it about 67% cheaper than the Intel Core Ultra 9, which costs $569.91. For budget-conscious users or those who don’t require cutting-edge performance, the i7-8700K offers solid capabilities at a price that won't strain finances.
However, for users who prioritize performance and plan to engage in resource-intensive tasks, the Ultra 9 may justify its higher price tag. With its advanced architecture and capabilities, it caters to enthusiasts and professionals who need top-notch performance for demanding applications. The decision ultimately hinges on the user’s specific needs and budget constraints.
Compatibility and Future-Proofing
Compatibility and future-proofing are essential considerations when choosing a processor. The Intel Core i7-8700K is compatible only with Intel 300 Series chipsets, which may limit future upgrade options as newer technologies emerge. This can be a drawback for users who plan to upgrade their systems frequently.
In contrast, the Intel Core Ultra 9 is compatible with Intel 800 Series chipset-based motherboards, which are designed to support more advanced features and technologies. This makes the Ultra 9 a more future-proof option, as it will likely accommodate upcoming advancements in processing power and connectivity. Users looking to invest in a system that can evolve with technological advancements may find the Ultra 9 the better choice.
Which should you buy?
Choosing between the Intel Core i7-8700K and the Intel Core Ultra 9 ultimately depends on your specific needs and budget. If you are looking for a cost-effective processor that delivers solid performance for gaming and everyday tasks, the i7-8700K, priced at $185.37, is a great option. However, if you need cutting-edge performance for demanding applications or gaming at the highest settings, the Intel Core Ultra 9, despite its higher price of $569.91, offers superior capabilities and future-proofing advantages. Consider your immediate needs and potential future requirements before making a decision.

