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INTEL Core Ultra 9 285K 5.7GHz FCLGA18W vs Intel 24 Core i9 14900KF Raptor Lake Refresh CPU/Processor

Updated August 2026The Intel Core Ultra 9 285K offers superior clock speed for single-threaded tasks, while the Intel 24 Core i9 14900KF provides excellent value and multi-threaded performance.

The Intel Core Ultra 9 285K offers superior clock speed for single-threaded tasks, while the Intel 24 Core i9 14900KF provides excellent value and multi-threaded performance.

Why INTEL Core Ultra 9 285K 5.7GHz FCLGA18W is better

higher clock speed

5.7GHz vs 5.6GHz

gaming performance

better for single-threaded tasks

brand positioning

premium offering for enthusiasts

Why Intel 24 Core i9 14900KF Raptor Lake Refresh CPU/Processor is better

lower price

priced at £400.97

multi-core performance

better for multitasking

wider compatibility

supports Intel 700 and 600 series motherboards

Overall score

INTEL Core Ultra 9 285K 5.7GHz FCLGA18W
85
Intel 24 Core i9 14900KF Raptor Lake Refresh CPU/Processor
78

Specifications

SpecINTEL Core Ultra 9 285K 5.7GHz FCLGA18WIntel 24 Core i9 14900KF Raptor Lake Refresh CPU/Processor
Base Power125W125W
PCIe Support5.0 & 4.05.0 & 4.0
DDR SupportDDR5DDR5 & DDR4
GraphicsIntegratedDiscrete required
Target AudienceGamersGamers & Creators

Dimension comparison

INTEL Core Ultra 9 285K 5.7GHz FCLGA18WIntel 24 Core i9 14900KF Raptor Lake Refresh CPU/Processor

Overview of the Processors

The INTEL Core Ultra 9 285K and the Intel 24 Core i9 14900KF are both high-performance CPUs aimed at gamers and content creators. The Ultra 9 285K is priced at £475.00, while the i9 14900KF offers a more affordable option at £400.97. This comparison evaluates their features, performance capabilities, and overall value to determine which processor is the better choice for users with demanding computing needs.

Performance Specifications

In terms of performance, the INTEL Core Ultra 9 285K operates at a clock speed of 5.7GHz, making it a formidable choice for high-end tasks. Meanwhile, the Intel 24 Core i9 14900KF benefits from Intel Thermal Velocity Boost and Turbo Boost Max Technology 3.0, which enhances its performance under load. Both processors have a base power of 125W, indicating that they are designed for similar power consumption. However, the Ultra 9's higher clock speed could provide a slight edge in raw performance for single-threaded applications.

Compatibility Features

The INTEL Core Ultra 9 285K is compatible with the Intel 800 Series Chipset based motherboards, while the Intel 24 Core i9 14900KF supports both Intel 700 Series and 600 Series Chipset motherboards. This wider compatibility with the i9 14900KF could be advantageous for users looking to upgrade without needing to overhaul their entire motherboard setup. Both processors support PCIe 5.0 and 4.0, as well as DDR5 memory, ensuring that users can take advantage of the latest technology in their builds.

Target Audience

Both processors are optimised for enthusiasts, but their specific features may cater to slightly different audiences. The INTEL Core Ultra 9 285K is particularly aimed at gamers and serious creators who demand peak performance, while the Intel 24 Core i9 14900KF's features like Turbo Boost Max Technology suggest a focus on maximising performance dynamically, particularly in multi-threaded applications. The pricing strategy also indicates that the i9 14900KF may appeal to those who want high performance without the premium price tag.

Thermal Management

Thermal management is crucial for high-performance CPUs, and both the Ultra 9 285K and the i9 14900KF come with features that support effective cooling. The i9 14900KF includes Intel Thermal Velocity Boost, which allows the processor to dynamically increase clock speed if thermal conditions permit. Meanwhile, the Ultra 9 285K does not specify additional thermal management features but is expected to perform well given its 125W power rating. Users should consider their cooling solutions, especially for the i9, which requires discrete graphics and may demand more from the cooling system.

Gaming Performance

Gaming performance is a key area where both processors excel, thanks to their high clock speeds and support for the latest technologies. The INTEL Core Ultra 9 285K, with its 5.7GHz clock speed, is particularly well-suited for gaming, especially in scenarios where single-threaded performance is critical. Conversely, the i9 14900KF, while slightly lower in clock speed, offers robust multi-core performance, making it an excellent choice for gaming alongside streaming or content creation. This distinction could influence gamers who also need to multitask effectively.

Price Consideration

Price is a significant factor for many buyers. The INTEL Core Ultra 9 285K is available for £475.00, making it the more expensive option. In contrast, the Intel 24 Core i9 14900KF is priced at £400.97, which makes it a more budget-friendly choice for those seeking high performance without overspending. This price difference of £74.03 could be a decisive point for users who are looking to maximise their investment while still achieving excellent performance.

Which should you buy?

Choosing between the INTEL Core Ultra 9 285K and the Intel 24 Core i9 14900KF ultimately depends on your specific needs and budget. If you prioritise maximum clock speed and are prepared to invest more for that edge, the Ultra 9 285K is a compelling choice. However, if you are looking for a more cost-effective solution that still offers high performance, particularly for multi-threaded tasks, the i9 14900KF represents excellent value with its versatile compatibility and advanced thermal management features.

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INTEL Core Ultra 9 285K 5.7GHz FCLGA18W vs Intel 24 Core i9 14900KF Raptor Lake Refresh CPU/Processor | versusfinder