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Intel Core Ultra 9 Desktop Processor 285K - 24 vs Intel® Core™ Ultra 9 Desktop Processor 285 24

Updated August 2026 — Intel Core Ultra 9 Desktop Processor 285K - 24 leads on overclocking and efficiency.

The Intel Core Ultra 9 Desktop Processor 285K offers slightly better performance at a lower price, making it the better choice for most users.

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

Price

285K is $12 cheaper than 285

Performance

Higher clock speed at 5.7 GHz

Power

Higher performance potential with 125W

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

Power Efficiency

Lower base power at 65W

Cooling Solution

Includes Intel® Laminar RH2 thermal solution

Cost of Ownership

Lower energy costs over time

Overall score

Intel Core Ultra 9 Desktop Processor 285K - 24
85
Intel® Core™ Ultra 9 Desktop Processor 285 24
80

Specifications

SpecIntel Core Ultra 9 Desktop Processor 285K - 24Intel® Core™ Ultra 9 Desktop Processor 285 24
Cores24 (8 P + 16 E)24 (8 P + 16 E)
Threads2424
Max Clock5.7 GHz5.6 GHz
Cache40 MB40 MB
Base Power125W65W

Dimension comparison

Intel Core Ultra 9 Desktop Processor 285K - 24Intel® Core™ Ultra 9 Desktop Processor 285 24

Overview of the Intel Core Ultra 9 Desktop Processors

The Intel Core Ultra 9 Desktop Processor 285K is priced at $557.00, while the Intel® Core™ Ultra 9 Desktop Processor 285 costs $569.91. This makes the 285K approximately 2.4% cheaper than its counterpart. Both processors are designed for high-performance computing, catering to gamers and creators who require robust processing power. They feature 24 cores, consisting of 8 performance cores and 16 efficient cores, ensuring that they can handle demanding workloads effectively.

Performance Capabilities

The Intel Core Ultra 9 Desktop Processor 285K offers a maximum clock speed of up to 5.7 GHz, making it slightly faster than the 285, which peaks at 5.6 GHz. This difference of 0.1 GHz may seem minimal, but it can translate to noticeable improvements in performance during intensive tasks. Both processors utilize a performance hybrid architecture that optimizes workload distribution, which means users can expect smooth multitasking and efficient resource management regardless of the model chosen.

Cache and Threading

Both processors feature a substantial 40 MB cache and 24 threads, ensuring efficient data handling and processing capabilities. This cache size is pivotal for high-speed data retrieval, enhancing overall system performance. Since they share these specifications, users can expect similar performance in applications that leverage multithreading and cache efficiency. The equal threading capability allows for effective parallel processing, beneficial for applications ranging from content creation to gaming.

Compatibility and Connectivity

Both the Intel Core Ultra 9 Desktop Processor 285K and the Intel® Core™ Ultra 9 Desktop Processor 285 are compatible with Intel 800 series chipset-based motherboards, which is a crucial consideration for users looking to upgrade their systems. Additionally, both processors support PCIe 5.0 and 4.0, enabling fast data transfer rates essential for modern GPUs and SSDs. This compatibility ensures that users can build systems that are both powerful and future-proof.

Power Consumption

There is a notable difference in power consumption between the two models, with the 285K having a base power of 125W and the 285 drawing only 65W. This difference in base power indicates that while the 285K may deliver higher performance, it may also lead to increased energy costs over time. For users who prioritize energy efficiency or are building systems with specific power constraints, the lower base power of the 285 might be a more appealing choice.

Thermal Solutions

The Intel Core Ultra 9 Desktop Processor 285 does come with the Intel® Laminar RH2 thermal solution included in the box, which is a significant advantage for users who may not wish to invest in a separate cooling system. In contrast, the 285K does not include a thermal solution, meaning users will need to account for this additional cost when budgeting for their system. This factor can influence the overall affordability and convenience of each processor.

Price Comparison

The Intel Core Ultra 9 Desktop Processor 285K is listed at $557.00, while the 285 is priced at $569.91, making the 285K about $12 cheaper. This price difference can be a deciding factor for budget-conscious consumers looking for high-performance options without breaking the bank. It's essential to consider what each processor offers in terms of performance versus price, especially for those who might be on a tighter budget.

Which should you buy?

Choosing between the Intel Core Ultra 9 Desktop Processor 285K and the Intel® Core™ Ultra 9 Desktop Processor 285 boils down to specific needs and preferences. If maximum performance is your priority and you can handle the extra power consumption, the 285K is a solid choice with its higher clock speed and performance potential. However, if energy efficiency, a lower base power, and included thermal solutions are more important, the 285 could be the better option. Ultimately, both processors are designed for high-performance tasks, ensuring that users will be satisfied regardless of their choice.