Intel Core i5-12400F 12th Generation Desktop Processor vs Intel Core Ultra 5 Desktop Processor 245KF - 14 cores
Updated August 2026 — The Intel Core Ultra 5 Desktop Processor 245KF outperforms the i5-12400F in core count and memory support, making it the better choice for high-performance tasks.
The Intel Core Ultra 5 Desktop Processor 245KF outperforms the i5-12400F in core count and memory support, making it the better choice for high-performance tasks.
Why Intel Core i5-12400F 12th Generation Desktop Processor is better
lower price
i5-12400F is £148.87 vs Ultra 5 at £139.99
power efficiency
i5-12400F has a base power of 65 W
general use
i5-12400F is suitable for everyday tasks
Why Intel Core Ultra 5 Desktop Processor 245KF - 14 cores is better
higher core count
Ultra 5 has 14 cores vs i5-12400F's 6 cores
DDR5 support
Ultra 5 supports faster DDR5 memory
performance optimization
Ultra 5 is optimized for gaming and productivity
Overall score
Specifications
| Spec | Intel Core i5-12400F 12th Generation Desktop Processor | Intel Core Ultra 5 Desktop Processor 245KF - 14 cores |
|---|---|---|
| Brand | Intel | Intel |
| Base Frequency | 2.5 GHz | N/A |
| Socket Type | LGA1700 | Intel 800 Series |
| Power Consumption | 65 W | 125 W |
| Core Count | 6 | 14 |
| DDR Support | N/A | DDR5 |
Dimension comparison
Overview of the Intel Core i5-12400F and Intel Core Ultra 5 Desktop Processor 245KF
The Intel Core i5-12400F is priced at £148.87, while the Intel Core Ultra 5 Desktop Processor 245KF is slightly cheaper at £139.99. Both processors are designed to meet the demands of modern computing, but they cater to slightly different needs and preferences. The i5-12400F belongs to Intel's 12th generation of processors, while the Ultra 5 is from a newer series, reflecting advancements in technology and performance.
Performance and Core Count
When it comes to performance, the Intel Core Ultra 5 Desktop Processor 245KF boasts a total of 14 cores, which is a significant advantage over the i5-12400F's 6 cores. This additional core count allows the Ultra 5 to handle more simultaneous tasks efficiently, making it particularly appealing for gamers and multitaskers. The i5-12400F, with its base frequency of 2.5 GHz, is adequate for many everyday applications, but the Ultra 5's architecture is optimised for high-performance tasks, especially in gaming and productivity scenarios.
Power Consumption
In terms of power consumption, the Intel Core i5-12400F has a Processor Base Power of 65 W, making it a more power-efficient option compared to the Intel Core Ultra 5, which has a higher base power of 125 W. This difference in power consumption may appeal to users who are conscious about energy use or looking to build a more efficient system. However, the Ultra 5's higher power rating is indicative of its enhanced performance capabilities, as it can deliver greater performance at the cost of increased energy consumption.
Socket and Compatibility
Both processors use advanced socket technology, with the i5-12400F using the LGA1700 socket and the Ultra 5 designed for compatibility with Intel's 800 Series Chipset motherboards. This compatibility ensures that users can find a suitable motherboard for each processor. Notably, both processors support PCIe 5.0 and 4.0, which is crucial for users looking to build systems with the latest graphics cards and high-speed storage solutions, providing future-proofing for their builds.
Memory Support
The Intel Core Ultra 5 Desktop Processor 245KF offers support for DDR5 memory, while the i5-12400F does not mention DDR5 support in its specifications. This feature indicates that the Ultra 5 can take advantage of faster memory technologies, potentially leading to improved performance in memory-intensive tasks. DDR5 memory is becoming increasingly popular due to its higher bandwidth capabilities, making the Ultra 5 a more forward-looking choice for enthusiasts and professionals who require the best performance.
Target Audience
The Intel Core i5-12400F is well-suited for general users and gamers who do not require the utmost performance but still want a reliable processor for everyday tasks. Its price point of £148.87 reflects this positioning. Conversely, the Intel Core Ultra 5 Desktop Processor 245KF is designed for gamers and productivity users seeking high performance. Priced at £139.99, it offers a better core count and supports advanced technologies, making it a more appealing option for users looking to push their systems to the limit.
Price Comparison
The Intel Core i5-12400F is priced at £148.87, while the Intel Core Ultra 5 Desktop Processor 245KF is available for £139.99. The lower price of the Ultra 5 may attract budget-conscious consumers looking for a high-performance option without breaking the bank. However, buyers should consider the performance differences, including core count and memory support, when evaluating which processor provides better value for their specific needs.
Which should you buy?
Choosing between the Intel Core i5-12400F and the Intel Core Ultra 5 Desktop Processor 245KF largely depends on your specific requirements. If you are looking for a solid, reliable processor for general use and moderate gaming, the i5-12400F is a suitable choice. However, for those who require higher performance for gaming or demanding applications, the Ultra 5's additional cores and support for DDR5 memory make it the superior option. Ultimately, if your budget allows and you seek performance, the Ultra 5 is the better investment, whereas the i5-12400F is ideal for those prioritising cost-effectiveness.
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