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Intel® Core™ i5-11600K Desktop Processor 6 Cores vs Intel® Core™ Ultra 9 Desktop Processor 285 24

Updated August 2026 — Intel® Core™ i5-11600K Desktop Processor 6 Cores wins on overclocking, Intel® Core™ Ultra 9 Desktop Processor 285 24 wins on graphics and cores.

The Intel® Core™ Ultra 9 offers superior performance and features, making it the better choice for enthusiasts, while the i5-11600K is a solid option for budget-conscious users.

Why Intel® Core™ i5-11600K Desktop Processor 6 Cores is better

Price

More affordable at $199.00

Power Consumption

Higher TDP of 125W

Core Count

6 cores suitable for general tasks

Why Intel® Core™ Ultra 9 Desktop Processor 285 24 is better

Performance

Higher clock speed up to 5.6 GHz

Core Count

24 cores for superior multitasking

Cache Size

40 MB cache for better performance

Overall score

Intel® Core™ i5-11600K Desktop Processor 6 Cores
75
Intel® Core™ Ultra 9 Desktop Processor 285 24
90

Specifications

SpecIntel® Core™ i5-11600K Desktop Processor 6 CoresIntel® Core™ Ultra 9 Desktop Processor 285 24
BrandIntelIntel
ArchitectureStandardHybrid
Memory SupportDDR4DDR5
Integrated GraphicsNoYes
Thermal SolutionNoneIncluded

Dimension comparison

Intel® Core™ i5-11600K Desktop Processor 6 CoresIntel® Core™ Ultra 9 Desktop Processor 285 24

Overview of the Processors

The Intel® Core™ i5-11600K is priced at $199.00, while the Intel® Core™ Ultra 9 is significantly more expensive at $569.91. This hefty price difference of about 187% reflects the distinct target markets for these processors. The i5-11600K is designed for mainstream users, while the Ultra 9 caters to enthusiasts and professionals requiring high performance.

Core Count and Architecture

The Intel® Core™ i5-11600K features 6 cores, making it suitable for general computing tasks and moderate gaming. In contrast, the Intel® Core™ Ultra 9 boasts an impressive 24 cores, comprising 8 performance cores and 16 efficiency cores. This hybrid architecture in the Ultra 9 allows for superior multitasking and optimized workload distribution, which can be particularly advantageous for content creators and gamers who require maximum processing power.

Clock Speed and Performance

The Intel® Core™ i5-11600K reaches clock speeds of up to 4.9 GHz, delivering solid performance for everyday applications and gaming. However, the Ultra 9 outshines it with a maximum clock speed of up to 5.6 GHz. This additional boost in clock speed can translate into better performance for demanding applications, such as video editing and 3D rendering, which require high processing capabilities.

Cache and Memory Support

The Intel® Core™ i5-11600K is equipped with a standard cache, while the Ultra 9 features a more substantial 40 MB cache. A larger cache can significantly improve performance by allowing quicker access to frequently used data. Additionally, the Ultra 9 supports DDR5 memory, which is faster and more efficient than the DDR4 typically used with the i5-11600K, further enhancing its performance credentials.

Integrated Graphics

Both processors come with integrated graphics, but the Ultra 9 includes Intel Graphics, which can be a decisive factor for users looking to manage graphics without a discrete GPU. The i5-11600K lacks specific details on integrated graphics capabilities, making the Ultra 9 a more attractive option for those needing decent graphical performance without investing in a separate graphics card.

Power Consumption and Thermal Solutions

The Intel® Core™ i5-11600K has a thermal design power (TDP) of 125W, while the Ultra 9 is more efficient with a base power of 65W. This lower power consumption in the Ultra 9 can result in reduced electricity costs and less heat generation, making it a better choice for users concerned about energy efficiency. Notably, neither processor includes a thermal solution in the box, but the Ultra 9 comes with the Intel® Laminar RH2 cooler, which is designed to handle its thermal needs effectively.

Compatibility and Chipset Support

Compatibility is another critical difference. The Intel® Core™ i5-11600K is compatible with Intel 500 series and select 400 series chipset motherboards. On the other hand, the Ultra 9 requires an Intel 800 series chipset, which may necessitate a motherboard upgrade for current users. This factor could increase the overall cost of adopting the Ultra 9 for those already invested in older motherboard technology.

Which should you buy?

Deciding between the Intel® Core™ i5-11600K and the Intel® Core™ Ultra 9 ultimately hinges on your specific needs and budget. If you're a casual user or gamer looking for a capable processor without breaking the bank, the i5-11600K's price of $199.00 makes it an excellent choice. However, for serious gamers and content creators who demand high performance, the Ultra 9, despite its higher price tag of $569.91, offers superior core counts, clock speeds, and overall capabilities. Therefore, if budget allows, the Ultra 9 provides unmatched performance, while the i5-11600K remains a solid option for those seeking value.