Intel® Core™ i9-13900KF Desktop Processor 24 cores vs Intel Core Ultra 5 Desktop Processor 245KF - 14 cores
Updated August 2026 — The Intel® Core™ i9-13900KF is the superior choice for high-performance tasks, while the Intel Core Ultra 5 245KF offers great value for casual users.
The Intel® Core™ i9-13900KF is the superior choice for high-performance tasks, while the Intel Core Ultra 5 245KF offers great value for casual users.
Why Intel® Core™ i9-13900KF Desktop Processor 24 cores is better
core count
24 cores vs 14 cores
performance
better for demanding tasks
future-proofing
advanced features like PCIe 5.0
Why Intel Core Ultra 5 Desktop Processor 245KF - 14 cores is better
price
more affordable at £139.99
suitable for casual use
ideal for everyday tasks
lower power consumption
similar power with less performance demand
Overall score
Specifications
| Spec | Intel® Core™ i9-13900KF Desktop Processor 24 cores | Intel Core Ultra 5 Desktop Processor 245KF - 14 cores |
|---|---|---|
| Brand | Intel | Intel |
| Price | £415.99 | £139.99 |
| Cores | 24 | 14 |
| Base Power | 125W | 125W |
| PCIe Support | 5.0 & 4.0 | 5.0 & 4.0 |
Dimension comparison
Overview of the Processors
The Intel® Core™ i9-13900KF and Intel Core Ultra 5 245KF are both high-performance desktop processors from Intel, but they cater to different user needs. The i9-13900KF boasts 24 cores, making it significantly more powerful than the Ultra 5, which has 14 cores. This core count difference suggests that the i9-13900KF is better suited for demanding tasks like gaming and content creation, while the Ultra 5 offers a more budget-friendly option for general use and light gaming.
Performance Capabilities
When it comes to performance, the Intel® Core™ i9-13900KF is designed for enthusiasts looking for top-tier capabilities. With 24 cores, it utilises Intel's Adaptive Boost Technology and Turbo Boost Max Technology 3.0, enabling it to achieve high clock speeds under load. In contrast, the Intel Core Ultra 5 245KF, with its 14 cores, is optimised for gamers and productivity but may not match the i9-13900KF in intensive applications. The i9-13900KF is likely to deliver superior performance in multitasking and heavy computational tasks.
Pricing Comparison
The price difference between the two processors is substantial. The Intel® Core™ i9-13900KF is priced at £415.99, while the Intel Core Ultra 5 245KF is much more accessible at £139.99. This £276 difference positions the Ultra 5 as a cost-effective choice for users who don't require the extreme capabilities of the i9-13900KF. For budget-conscious consumers, the Ultra 5 provides a compelling entry point into high-performance computing without the steep investment.
Compatibility and Upgrades
Both processors offer compatibility with specific motherboard chipsets, but they differ in their requirements. The Intel® Core™ i9-13900KF is compatible with Intel 600 Series and 700 Series Chipset motherboards, while the Intel Core Ultra 5 245KF requires Intel 800 Series Chipset motherboards. This means that if you're considering upgrading, it's essential to ensure your motherboard matches the processor's requirements. The i9-13900KF’s compatibility with more established chipsets may lead to broader options for users looking to upgrade.
Power Consumption
Both processors have a Processor Base Power of 125W, indicating similar power consumption levels. This means that users won't experience a significant difference in energy costs based solely on the processor. However, the performance output will vary greatly. The i9-13900KF’s greater core count suggests it could handle more demanding tasks efficiently, possibly offsetting the power consumption with higher productivity.
Ideal User Base
The Intel® Core™ i9-13900KF is tailored for serious gamers and content creators who require substantial processing power for demanding applications. Its high core count and advanced technologies are ideal for users who multitask heavily and use resource-intensive software. In contrast, the Intel Core Ultra 5 245KF is perfect for casual users, gamers, and those engaged in light productivity tasks. Its lower price point and adequate performance make it suitable for a wider audience who may not need the extreme capabilities of the i9-13900KF.
Future-Proofing
In terms of future-proofing, the Intel® Core™ i9-13900KF stands out due to its higher core count and advanced features like PCIe 5.0 support. This positions it well for upcoming applications and games that may demand more processing power. The Intel Core Ultra 5 245KF, while capable, may face limitations as software and games evolve, potentially requiring an upgrade sooner than the i9-13900KF. For users looking to invest in a processor that will remain relevant for a longer period, the i9-13900KF is the better choice.
Which should you buy?
Choosing between the Intel® Core™ i9-13900KF and the Intel Core Ultra 5 245KF ultimately hinges on your specific needs and budget. If you're a serious gamer or content creator seeking maximum performance and are willing to invest £415.99, the i9-13900KF is the superior option. However, if you're looking for a more affordable processor for everyday tasks and casual gaming, the Intel Core Ultra 5 245KF at £139.99 offers excellent value. Your decision should align with how you plan to use the processor and your financial considerations.
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