Intel Core i5-12400F 12th Generation Desktop Processor vs Intel 24 Core i9 14900KF Raptor Lake Refresh CPU/Processor
Updated August 2026 — The Intel 24 Core i9 14900KF is the superior choice for high performance, while the Intel Core i5-12400F offers great value for budget users.
The Intel 24 Core i9 14900KF is the superior choice for high performance, while the Intel Core i5-12400F offers great value for budget users.
Why Intel Core i5-12400F 12th Generation Desktop Processor is better
price
i5-12400F is significantly cheaper at £148.87
efficiency
i5-12400F has lower power consumption at 65W
sufficient for casual use
i5-12400F meets needs for everyday tasks and casual gaming
Why Intel 24 Core i9 14900KF Raptor Lake Refresh CPU/Processor is better
performance
i9-14900KF excels in multi-threaded applications with 24 cores
future-proofing
i9-14900KF supports DDR5 memory and advanced technologies
gaming
i9-14900KF provides superior frame rates and overclocking potential
Overall score
Specifications
| Spec | Intel Core i5-12400F 12th Generation Desktop Processor | Intel 24 Core i9 14900KF Raptor Lake Refresh CPU/Processor |
|---|---|---|
| Base Frequency | 2.5 GHz | N/A |
| Cores | 6 | 24 |
| Processor Power | 65W | 125W |
| Socket Type | LGA1700 | LGA1700/700 |
| PCIe Support | 5.0 and 4.0 | 5.0 and 4.0 |
| Memory Support | DDR4 | DDR4 and DDR5 |
Dimension comparison
Overview of the Intel Core i5-12400F and Intel 24 Core i9 14900KF
The Intel Core i5-12400F and Intel 24 Core i9 14900KF are two powerful desktop processors from Intel, but they cater to different user needs. The i5-12400F is priced at £148.87, while the i9 14900KF is significantly higher at £400.97, reflecting their target audiences and intended use cases.
The i5-12400F is part of Intel's 12th generation lineup, designed for mainstream users who require solid performance for everyday tasks and gaming. In contrast, the i9 14900KF belongs to the 14th generation and is aimed at enthusiasts and professionals demanding top-tier performance, particularly for gaming and content creation.
Performance Comparison
The performance difference between the Intel Core i5-12400F and the Intel 24 Core i9 14900KF is striking. The i5-12400F operates at a base frequency of 2.5 GHz, which is adequate for most users. However, the i9 14900KF, being a 14th generation processor, is engineered for exceptional performance, featuring advanced technologies such as Intel Thermal Velocity Boost and Intel Turbo Boost Max Technology 3.0.
With the i9 14900KF boasting 24 cores, it significantly outpaces the i5-12400F, making it ideal for multi-threaded applications and heavy workloads. This makes the i9 14900KF a clear choice for gamers and creators who engage in demanding tasks such as video editing and 3D rendering.
Power Consumption and Efficiency
When assessing power consumption, the Intel Core i5-12400F has a Processor Base Power of 65 W, which makes it an efficient choice for users looking to build a system with lower power requirements. On the other hand, the Intel 24 Core i9 14900KF has a higher Processor Base Power of 125 W, reflecting its greater performance capabilities.
While the i5-12400F is designed for efficiency in everyday use, the i9 14900KF’s higher power consumption aligns with its performance-driven design. Users should consider their power supply and cooling systems, especially if opting for the more power-hungry i9 processor.
Compatibility and Future-proofing
Both processors offer robust compatibility options, but they cater to different motherboard chipsets. The Intel Core i5-12400F uses the LGA1700 socket and is compatible with Intel 600 series chipsets, while the Intel 24 Core i9 14900KF also supports both Intel 600 and 700 series chipsets.
For users planning to invest in future-proof technology, the i9 14900KF's advanced features, such as support for DDR5 memory alongside DDR4, make it a more forward-thinking choice. This flexibility ensures that users can upgrade their systems without a complete overhaul of their components.
Gaming Capabilities
In terms of gaming, the Intel 24 Core i9 14900KF is undoubtedly the superior option. Its 24 cores and advanced architecture deliver exceptional frame rates and performance in demanding games, ensuring a seamless gaming experience. The unlocked nature of the i9 also allows for overclocking, providing additional performance headroom for enthusiasts.
Conversely, the Intel Core i5-12400F still performs well in gaming scenarios, but its performance may not match the high demands of the latest titles when compared to the i9. For casual gamers or those on a budget, the i5-12400F is a solid choice, but serious gamers will likely favour the i9 for its higher performance potential.
Price Considerations
Price is a significant differentiator between the two processors. The Intel Core i5-12400F is priced at £148.87, making it an attractive option for budget-conscious users who still want decent performance. In contrast, the Intel 24 Core i9 14900KF is priced at £400.97, reflecting its high-end specifications and capabilities.
While the i5-12400F offers great value for general use and entry-level gaming, the i9 14900KF’s price is justified for those who require top performance and are willing to invest more for that capability. Users must weigh their performance needs against their budgets when choosing between these two options.
Features and Technology
Both processors come equipped with modern features that enhance their functionality. The i5-12400F supports PCIe 5.0 and 4.0, ensuring compatibility with the latest graphics cards and storage solutions. However, the i9 14900KF takes this a step further by also supporting advanced technologies such as Intel Turbo Boost Max Technology 3.0, which optimises performance dynamically based on workload.
Additionally, the i9's support for both DDR5 and DDR4 memory allows for greater flexibility in memory upgrades, making it a more versatile choice for users looking to build or upgrade their systems. The i5-12400F, while feature-rich, does not match the technological advancements offered by the i9.
Which should you buy?
Choosing between the Intel Core i5-12400F and the Intel 24 Core i9 14900KF ultimately depends on your specific needs and budget. If you are a casual user or a gamer on a budget, the i5-12400F at £148.87 offers excellent value and sufficient performance for most tasks. However, for enthusiasts and professionals who require maximum performance and are willing to invest in a higher-end processor, the i9 14900KF at £400.97 is the clear winner, offering superior capabilities and future-proofing for demanding applications.
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