vsversusfinder

INTEL Core Ultra 5 225 3.3GHz Box CPU vs INTEL Core Ultra 9 285K 5.7GHz FCLGA18W

Updated August 2026The INTEL Core Ultra 9 285K is a high-performance processor ideal for enthusiasts, while the Core Ultra 5 225 offers great value for everyday use.

The INTEL Core Ultra 9 285K is a high-performance processor ideal for enthusiasts, while the Core Ultra 5 225 offers great value for everyday use.

Why INTEL Core Ultra 5 225 3.3GHz Box CPU is better

price

Core Ultra 5 225 is significantly cheaper at £190.85

integrated graphics

Core Ultra 5 225 includes integrated Intel Graphics

core count

Core Ultra 5 225 has 10 cores for multitasking

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

clock speed

Core Ultra 9 285K has a peak clock speed of 5.7 GHz

DDR5 support

Core Ultra 9 285K supports the latest DDR5 memory

unlocked processor

Core Ultra 9 285K is unlocked for overclocking

Overall score

INTEL Core Ultra 5 225 3.3GHz Box CPU
70
INTEL Core Ultra 9 285K 5.7GHz FCLGA18W
90

Specifications

SpecINTEL Core Ultra 5 225 3.3GHz Box CPUINTEL Core Ultra 9 285K 5.7GHz FCLGA18W
BrandIntelIntel
Cache (MB)22N/A
PCIe Support5.0 & 4.05.0 & 4.0
Chipset CompatibilityIntel 800 SeriesIntel 800 Series
Thermal SolutionNoneNot specified

Dimension comparison

INTEL Core Ultra 5 225 3.3GHz Box CPUINTEL Core Ultra 9 285K 5.7GHz FCLGA18W

Performance and Core Architecture

The INTEL Core Ultra 9 285K 5.7GHz offers a significantly higher peak clock speed and is positioned as a high-performance processor compared to the INTEL Core Ultra 5 225 3.3GHz. The Core Ultra 9 285K runs up to 5.7 GHz, whereas the Core Ultra 5 225 has a top speed of 4.9 GHz, making the 285K potentially more suited to demanding tasks and enthusiast-level workloads.

The Core Ultra 5 225 features a hybrid architecture with 10 cores total—6 performance cores (P-cores) and 4 efficiency cores (E-cores)—and 14 threads, balancing multitasking and power efficiency. While the exact core and thread count for the Core Ultra 9 285K is not specified, it is designed as an unlocked, enthusiast-grade CPU, implying strong multi-core and single-core performance. The Core Ultra 5 225’s hybrid microarchitecture is optimised to prioritise workloads efficiently, but the Core Ultra 9 285K’s higher clock speed and unlocked status indicate greater raw processing power.

Graphics and Visual Capabilities

The INTEL Core Ultra 5 225 3.3GHz includes integrated Intel Graphics, which enables basic to moderate graphical tasks without requiring a discrete graphics card. This feature makes it suitable for everyday computing and light gaming or creative work without extra hardware investment.

In contrast, the Core Ultra 9 285K does not explicitly mention integrated graphics support in its feature set. This absence suggests it may rely on a dedicated GPU for visual processing, aligning with its target market of enthusiast gamers and serious creators who often pair their CPU with powerful discrete graphics solutions.

Therefore, users seeking a processor with built-in graphical capabilities will find the Core Ultra 5 225 more convenient, while those prioritising raw CPU power and planning to use a dedicated graphics card may prefer the Core Ultra 9 285K.

Compatibility and Chipset Support

Both CPUs are compatible with Intel 800 Series chipset-based motherboards, ensuring they can be installed on modern platforms supporting newer technologies. This shared compatibility means users upgrading their system can expect similar motherboard options for either processor.

PCIe support is robust in both models, with each supporting PCIe 5.0 and PCIe 4.0 interfaces. This is important for future-proofing with high-speed graphics cards and storage devices. Additionally, the Core Ultra 5 225 explicitly supports Intel Optane Memory, a technology that can accelerate system responsiveness when paired with compatible storage.

DDR5 memory support is confirmed only for the Core Ultra 9 285K, highlighting its alignment with the latest memory standards, whereas memory support details for the Core Ultra 5 225 are not specified. This difference may influence memory performance and upgrade paths.

Power and Cooling Considerations

The Core Ultra 9 285K is specified with a 125W processor base power, reflecting its higher performance and power consumption profile. This suggests that users will require adequate cooling solutions to maintain optimal performance, especially given its unlocked status which encourages overclocking.

Conversely, the Core Ultra 5 225 does not include a thermal solution in its box, but its power specifications are not detailed. The absence of a bundled cooler means buyers must invest in a compatible cooling system separately. The hybrid architecture and lower base clock speed may contribute to lower power consumption compared to the Core Ultra 9 285K.

Users should consider their cooling setup and power supply capabilities when choosing between these processors, as the 285K will likely demand more robust thermal management.

Target Audience and Use Cases

The Core Ultra 5 225 is positioned as a versatile, mid-range processor with a hybrid core design aimed at balancing performance and efficiency. Its integrated graphics and compatibility with Intel Optane Memory make it well suited for everyday users, casual gamers, and those who value energy-conscious computing without sacrificing multitasking capability.

In contrast, the Core Ultra 9 285K targets enthusiast gamers and serious content creators who require maximum processing power and are willing to invest in high-end hardware. Its unlocked nature, higher clock speed, and DDR5 support cater to users seeking top-tier performance in demanding applications like gaming, video editing, and 3D rendering.

This distinction in target users highlights the Core Ultra 5 225 as a practical, cost-effective option, while the Core Ultra 9 285K aims at performance-focused buyers with more specialised needs.

Price and Value for Money

The price difference between the two processors is substantial: the Core Ultra 5 225 is priced at £190.85, whereas the Core Ultra 9 285K costs £475.00. This reflects the 285K’s positioning as a premium product offering higher clock speeds and unlocked features for enthusiasts.

For users prioritising cost-efficiency and solid performance, the Core Ultra 5 225 offers a compelling value proposition, delivering 10 cores and integrated graphics for less than half the price of the 285K. The £284.15 price gap may be justifiable for those who require the extra power and features of the 285K but is significant for budget-conscious buyers.

Ultimately, the Core Ultra 5 225 represents a budget-friendly choice without sacrificing modern chipset compatibility, while the Core Ultra 9 285K demands a premium investment for enhanced capabilities.

Memory and Expansion Features

The Core Ultra 9 285K supports DDR5 memory, the latest generation of RAM, which offers higher bandwidth and improved power efficiency compared to previous standards. This enables better performance in memory-intensive applications and future-proofs the system for upcoming software demands.

While the Core Ultra 5 225 supports Intel Optane Memory, enhancing storage responsiveness, there is no explicit mention of DDR5 support. This may limit its memory performance relative to the 285K, especially under heavy multitasking or professional workloads.

Both CPUs support PCIe 5.0 and 4.0, ensuring compatibility with the latest GPUs and NVMe SSDs, crucial for gaming and creative professionals who require fast data transfer and expansion options.

Which should you buy?

Choosing between the INTEL Core Ultra 5 225 3.3GHz and the INTEL Core Ultra 9 285K 5.7GHz depends primarily on your performance needs and budget. The Core Ultra 5 225 offers excellent value at £190.85, with 10 cores, 14 threads, integrated graphics, and compatibility with modern chipsets and Intel Optane Memory. It is ideal for everyday computing, moderate gaming, and users who want a balanced CPU without additional GPU investment.

On the other hand, the Core Ultra 9 285K, priced at £475.00, is a high-end, unlocked processor delivering up to 5.7 GHz and DDR5 memory support, designed for enthusiast gamers and serious creators who demand maximum performance. Its 125W power base and lack of integrated graphics indicate a need for robust cooling and a dedicated GPU.

If your workload requires top-tier speed, overclocking potential, and the latest memory technology, and you have the budget to match, the Core Ultra 9 285K is the better choice. For those prioritising cost-effectiveness, integrated graphics, and solid all-round performance, the Core Ultra 5 225 will be more suitable.

versusfinder.com is a participant in the Amazon Services LLC Associates Programme and the Amazon EU Associates Programme. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.

INTEL Core Ultra 5 225 3.3GHz Box CPU vs INTEL Core Ultra 9 285K 5.7GHz FCLGA18W | versusfinder