Intel® Core™ i5-14400F Desktop Processor 10 cores vs Intel Core Ultra 5 Desktop Processor 245KF - 14 cores
Updated August 2026 — The Intel Core Ultra 5 245KF offers better multi-threaded performance at a lower price, making it the better choice for most users.
The Intel Core Ultra 5 245KF offers better multi-threaded performance at a lower price, making it the better choice for most users.
Why Intel® Core™ i5-14400F Desktop Processor 10 cores is better
lower price
i5-14400F is £191.10
lower power
i5-14400F has 65W base power
compatibility
i5-14400F works with older motherboards
Why Intel Core Ultra 5 Desktop Processor 245KF - 14 cores is better
higher cores
Ultra 5 has 14 cores
better performance
Ultra 5 optimized for multi-threading
lower price
Ultra 5 is £139.99
Overall score
Specifications
| Spec | Intel® Core™ i5-14400F Desktop Processor 10 cores | Intel Core Ultra 5 Desktop Processor 245KF - 14 cores |
|---|---|---|
| Processor | i5-14400F | Ultra 5 245KF |
| Cores | 10 | 14 |
| Price | £191.10 | £139.99 |
| Base Power | 65W | 125W |
| PCIe | 5.0 & 4.0 | 5.0 & 4.0 |
| DDR | DDR4 & DDR5 | DDR5 |
Dimension comparison
Overview of Products
In the comparison of the Intel® Core™ i5-14400F Desktop Processor and the Intel Core Ultra 5 Desktop Processor 245KF, we see two distinct offerings from Intel, each tailored for different computing needs. The i5-14400F is priced at £191.10, while the Ultra 5 245KF comes in at a more budget-friendly £139.99. Both processors promise high performance, but their core counts and power ratings differ, making them suitable for varying use cases.
Core Architecture and Performance
The Intel Core i5-14400F features 10 cores, while the Intel Core Ultra 5 245KF boasts a superior 14 cores. This difference in core count can significantly impact performance, especially in multi-threaded tasks such as video editing and gaming. The 245KF is positioned to handle more simultaneous processes, potentially offering a smoother experience in demanding applications. However, the i5-14400F is still optimised for both gamers and productivity, ensuring it delivers adequate performance for most users.
Power Consumption
Power consumption is another critical factor to consider. The i5-14400F has a lower Processor Base Power of 65W compared to the Ultra 5 245KF's 125W. This means that the i5-14400F may be more energy-efficient, which can translate into lower electricity bills over time. For users who are conscious of power consumption or are building a system with limited cooling options, the i5-14400F may be the preferable choice.
Compatibility and Motherboard Support
Both processors support PCIe 5.0 and 4.0, as well as DDR4 and DDR5 memory, ensuring compatibility with modern components. However, the i5-14400F is compatible with Intel 600 and 700 Series Chipset motherboards, while the Ultra 5 245KF requires Intel 800 Series Chipset motherboards. Users should consider their existing or planned motherboard when choosing between these two processors, as upgrading to a new chipset can incur additional costs.
Graphics Considerations
Neither the Intel Core i5-14400F nor the Ultra 5 245KF includes integrated graphics, necessitating the use of a discrete graphics card for display output. This is an important point for users who may not have a separate GPU, as both processors require additional investment in graphics hardware for a complete system. This requirement may place the i5-14400F at a slight disadvantage for budget-conscious gamers looking for an all-in-one solution.
Target Audience
The Intel Core i5-14400F is designed for gamers and productivity users who require solid performance without overspending. In contrast, the Intel Core Ultra 5 245KF targets users who demand higher multi-threading capabilities and are willing to invest in a more powerful system. While both processors are optimised for gaming and productivity, the choice ultimately depends on the specific performance needs and budget constraints of the user.
Pricing and Value
At £191.10, the i5-14400F is notably more expensive than the Ultra 5 245KF, which retails at £139.99. This price difference of £51.11 may lead potential buyers to question whether the additional cores and higher power rating of the Ultra 5 justify the cost. For users seeking value without compromising on performance, the Ultra 5 245KF presents a compelling option, particularly for tasks that can leverage its greater core count.
Which should you buy?
Choosing between the Intel Core i5-14400F and the Intel Core Ultra 5 245KF ultimately hinges on your specific requirements and budget. If you need a processor with fewer cores that consumes less power and plays nicely with older motherboards, the i5-14400F is a solid choice at £191.10. On the other hand, if your focus is on multi-threaded performance and you are ready to invest in a new motherboard, the Ultra 5 245KF at £139.99 offers excellent value with its higher core count and capabilities.
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