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Intel Core Ultra 9 Desktop Processor 285K - 24 vs Intel® Core™ i5-11400 Desktop Processor 6 Cores up

Updated August 2026 — Intel Core Ultra 9 Desktop Processor 285K - 24 wins on core count and speed, Intel® Core™ i5-11400 Desktop Processor 6 Cores up wins on price and power.

The Intel Core Ultra 9 is a powerhouse for enthusiasts, while the i5-11400 is a solid budget option for general use.

Why Intel Core Ultra 9 Desktop Processor 285K - 24 is better

Core Count

Ultra 9 has 24 cores vs i5-11400's 6 cores.

Speed

Ultra 9 reaches up to 5.7 GHz vs i5-11400's 4.4 GHz.

Performance

Ultra 9 is optimized for high-performance tasks.

Why Intel® Core™ i5-11400 Desktop Processor 6 Cores up is better

Price

i5-11400 is significantly cheaper at $186.

Power Consumption

i5-11400 consumes only 65W.

Compatibility

i5-11400 supports LGA1200 socket motherboards.

Overall score

Intel Core Ultra 9 Desktop Processor 285K - 24
90
Intel® Core™ i5-11400 Desktop Processor 6 Cores up
70

Specifications

SpecIntel Core Ultra 9 Desktop Processor 285K - 24Intel® Core™ i5-11400 Desktop Processor 6 Cores up
Cores246
Threads2412
Max Speed5.7 GHz4.4 GHz
Cache40 MB12 MB
Power125W65W
GraphicsIntel GraphicsUHD 730

Dimension comparison

Intel Core Ultra 9 Desktop Processor 285K - 24Intel® Core™ i5-11400 Desktop Processor 6 Cores up

Overview of the Processors

When comparing the Intel Core Ultra 9 Desktop Processor 285K and the Intel Core i5-11400, the differences in core counts and performance capabilities are significant. The Ultra 9 features 24 cores and can reach speeds of up to 5.7 GHz, while the i5-11400 has 6 cores with a maximum speed of 4.4 GHz. This makes the Ultra 9 a powerful option for enthusiasts and creators, while the i5-11400 is more budget-friendly for general use.

The Intel Core Ultra 9 is priced at $557.00, whereas the Intel Core i5-11400 is considerably less, priced at $186.00. This price difference of approximately $371 underscores the variance in performance and target audience for each processor.

Core and Thread Count

The core and thread count of a processor significantly impacts its performance, especially for multitasking and demanding applications. The Intel Core Ultra 9 boasts an impressive configuration of 24 cores, split between 8 performance cores (P-cores) and 16 efficiency cores (E-cores), allowing it to handle multiple tasks simultaneously without a hitch.

In contrast, the Intel Core i5-11400 has only 6 cores, which limits its ability to manage heavy workloads when compared to the Ultra 9. The i5-11400’s architecture is capable of hyper-threading, which allows it to function as if it has 12 threads, but it still falls short of the Ultra 9's capabilities for intensive applications.

Performance and Speed

In terms of performance, the Intel Core Ultra 9 outshines the i5-11400 with its ability to reach speeds of up to 5.7 GHz. This capability is particularly beneficial for tasks that require high processing power, such as gaming and content creation. The Ultra 9's unlocked performance means that users can overclock it for even more speed, making it an excellent choice for enthusiasts looking to push their systems to the limit.

On the other hand, the Intel Core i5-11400 reaches a maximum speed of 4.4 GHz. While this is sufficient for everyday tasks like browsing and office applications, it may struggle under the weight of more demanding software. Thus, for users focused on high-performance applications, the Ultra 9 is the clear winner.

Integrated Graphics

Both processors come equipped with integrated graphics, which can be an essential feature for users who do not require a dedicated graphics card. The Intel Core Ultra 9 includes integrated Intel Graphics, designed to support smooth visual performance. Although specific details about the graphics capabilities aren't provided, the Ultra 9 is optimized for high-performance tasks.

Conversely, the Intel Core i5-11400 features Intel UHD Graphics 730, which supports multiple monitors and offers decent performance for everyday tasks. While the i5-11400’s graphics may suffice for casual gaming and media consumption, the Ultra 9 is likely to provide better performance for graphics-intensive applications due to its more advanced architecture.

Power Consumption

Power consumption is another essential aspect to consider when comparing these processors. The Intel Core Ultra 9 has a base power of 125 watts, which reflects its high-performance capabilities. While this means it may require more robust cooling solutions, it also indicates the level of processing power that the user can expect.

In contrast, the Intel Core i5-11400 has a significantly lower power consumption of 65 watts. This makes it a more energy-efficient option, ideal for users who prioritize lower electricity costs and quieter operation. However, this efficiency comes at the cost of performance, especially in demanding scenarios.

Compatibility

Compatibility with motherboards is crucial when choosing a processor. The Intel Core Ultra 9 is compatible with Intel 800 series chipset-based motherboards, providing access to the latest technology and features. This compatibility is important for users looking to build a future-proof system.

Meanwhile, the Intel Core i5-11400 is designed for the LGA1200 socket and is compatible with Intel 500 series and select 400 series chipsets. While this offers a solid foundation for most users, it may not support the latest advancements available with newer chipsets, limiting upgrade options in the long run.

Price Performance Ratio

The price performance ratio is a critical factor for consumers. The Intel Core Ultra 9's price of $557.00 positions it as a premium option, justifiable for users needing extensive processing power and capabilities. In contrast, the Intel Core i5-11400, priced at $186.00, provides a more budget-friendly alternative, making it an attractive option for casual users and those on a tighter budget.

Considering the performance differences, the Ultra 9 could be viewed as offering better value for performance if the user's needs justify the price. However, for typical office tasks and light gaming, the i5-11400 delivers excellent value for its lower cost.

Which should you buy?

Ultimately, the choice between the Intel Core Ultra 9 and the Intel Core i5-11400 comes down to your specific needs and budget. If you are an enthusiast, gamer, or content creator requiring top-tier performance, the Intel Core Ultra 9 is the superior choice due to its higher core count, faster speeds, and robust architecture. However, if you need a processor for general use, the Intel Core i5-11400 offers excellent performance at a significantly lower price, making it suitable for everyday tasks without breaking the bank.