Intel Core Ultra 5 Desktop Processor 245KF - 14 cores vs Intel® Core™ i9-12900KF Desktop Processor 16
Updated August 2026 — The Intel Core Ultra 5 offers great value for budget-conscious users, while the i9-12900KF excels in performance for enthusiasts.
The Intel Core Ultra 5 offers great value for budget-conscious users, while the i9-12900KF excels in performance for enthusiasts.
Why Intel Core Ultra 5 Desktop Processor 245KF - 14 cores is better
price
Lower price at £139.99
core count
14 cores suitable for general use
target audience
Ideal for budget gamers
Why Intel® Core™ i9-12900KF Desktop Processor 16 is better
performance
16 cores for better multitasking
advanced features
Includes Intel Turbo Boost Max Technology 3.0
memory support
Supports both DDR4 and DDR5
Overall score
Specifications
| Spec | Intel Core Ultra 5 Desktop Processor 245KF - 14 cores | Intel® Core™ i9-12900KF Desktop Processor 16 |
|---|---|---|
| Cores | 14 | 16 |
| Price | £139.99 | £282.56 |
| Turbo Boost | No | Yes |
| Chipset | 800 Series | 600 Series |
| DDR Support | DDR5 | DDR4 & DDR5 |
Dimension comparison
Overview of the Products
In this comparison, we will explore the Intel Core Ultra 5 Desktop Processor 245KF and the Intel® Core™ i9-12900KF Desktop Processor. The Intel Core Ultra 5 is priced at £139.99, while the i9-12900KF comes in at a significantly higher price of £282.56. Both processors are designed for high performance, but they cater to different user needs and budgets.
The Intel Core Ultra 5 features 14 cores and is optimised for gamers and productivity tasks, making it a solid choice for those seeking value without sacrificing performance. In contrast, the i9-12900KF, with its 16 cores, is aimed at enthusiast gamers and serious content creators, offering advanced technology and overclocking capabilities.
Performance Capabilities
When evaluating performance, the Intel Core Ultra 5 Desktop Processor 245KF boasts 14 cores, while the Intel® Core™ i9-12900KF has 16 cores. The additional cores in the i9-12900KF allow for better multitasking and enhanced performance in demanding applications, particularly in gaming and content creation.
Both processors support PCIe 5.0 and 4.0, ensuring fast data transfer rates. However, the i9-12900KF's inclusion of Intel Turbo Boost Max Technology 3.0 further enhances its performance potential, providing an additional performance boost when required. This makes the i9-12900KF particularly advantageous for high-end gaming and intensive workloads.
Target Audience
The Intel Core Ultra 5 is designed for gamers and productivity users who want a balance of performance and affordability. Priced at £139.99, it serves as a great entry point for those wanting to build or upgrade a desktop system without breaking the bank.
On the other hand, the Intel® Core™ i9-12900KF targets serious gamers and professional creators who demand top-tier performance. At £282.56, it is aimed at users who are willing to invest more for enhanced capabilities, such as overclocking and superior performance in multi-threaded applications. This clear distinction in target audiences influences which processor may be more suitable for individual needs.
Graphics and Compatibility
Neither processor includes integrated graphics, requiring users to invest in discrete graphics solutions. The Intel Core Ultra 5 is compatible with Intel 800 Series Chipset based motherboards, while the i9-12900KF is designed for 600 series chipset motherboards. This difference may factor into a buyer’s decision, especially when considering existing hardware.
Both processors support DDR5 memory, which is beneficial for future-proofing systems. However, the i9-12900KF also supports DDR4, providing users with more flexibility in memory choice and potentially lowering costs for those who already own DDR4 modules.
Power Consumption
Both processors have a base power consumption of 125W, which is typical for high-performance CPUs. This specification indicates that users should ensure their power supply units are capable of handling this power draw, particularly when considering additional components in the system.
While both processors share a similar power requirement, the performance output from the i9-12900KF may justify the same power consumption due to its higher core count and advanced features. Users should consider the overall power efficiency based on the intended use of the processor.
Cooling Solutions
Neither the Intel Core Ultra 5 nor the Intel® Core™ i9-12900KF comes with a thermal solution included in the box, meaning users must purchase a cooling system separately. This aspect is crucial for the i9-12900KF, especially for users intending to overclock the processor, as effective cooling is essential for maintaining performance and stability.
The Intel Core Ultra 5 may not require as robust a cooling solution due to its lower power output and target audience of casual gamers and general users. However, investing in a quality cooling solution for either processor is advisable to ensure optimal performance and longevity.
Price Comparison
The Intel Core Ultra 5 Desktop Processor 245KF is priced at £139.99, making it an attractive option for budget-conscious consumers. In contrast, the Intel® Core™ i9-12900KF is priced at £282.56, reflecting its position as a premium product in the market.
This significant price difference of £142.57 can greatly influence a buyer’s decision, especially for those looking to build a system within a specific budget. The choice ultimately hinges on whether the user prioritises cost savings or seeks the highest performance available.
Which should you buy?
Deciding between the Intel Core Ultra 5 and the Intel® Core™ i9-12900KF boils down to your specific needs and budget. If you are a gamer or a general user looking for a reliable processor without spending too much, the Intel Core Ultra 5 at £139.99 is an excellent choice that balances performance and affordability.
Conversely, if you are an enthusiast gamer or a professional creator requiring top-tier performance and are willing to invest more, the Intel® Core™ i9-12900KF at £282.56 delivers the advanced features and performance needed for demanding applications. Ultimately, your choice should reflect your budget and performance requirements.
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