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Intel Core i5 12400 Processor vs Intel 24 Core i9 14900KF Raptor Lake Refresh CPU/Processor

Updated August 2026The Intel 24 Core i9 14900KF offers superior performance for enthusiasts, while the Intel Core i5 12400 is a more budget-friendly option for casual users.

The Intel 24 Core i9 14900KF offers superior performance for enthusiasts, while the Intel Core i5 12400 is a more budget-friendly option for casual users.

Why Intel Core i5 12400 Processor is better

price

i5 12400 is significantly cheaper at £205.99

energy efficiency

i5 12400 has lower power consumption

suitable for casual use

i5 12400 is adequate for everyday tasks and light gaming

Why Intel 24 Core i9 14900KF Raptor Lake Refresh CPU/Processor is better

performance

i9 14900KF has 24 cores for heavy workloads

gaming capabilities

i9 14900KF delivers superior frame rates

future-proofing

i9 14900KF supports newer technologies like PCIe 5.0

Overall score

Intel Core i5 12400 Processor
65
Intel 24 Core i9 14900KF Raptor Lake Refresh CPU/Processor
90

Specifications

SpecIntel Core i5 12400 ProcessorIntel 24 Core i9 14900KF Raptor Lake Refresh CPU/Processor
Cores624
Threads1224
Max Clock4.4GHzTurbo Boost
Base PowerN/A125W
Socket1700N/A

Dimension comparison

Intel Core i5 12400 ProcessorIntel 24 Core i9 14900KF Raptor Lake Refresh CPU/Processor

Overview of the Intel Core i5 12400 Processor

The Intel Core i5 12400 Processor is a powerful option for consumers seeking a balance between performance and price. Priced at £205.99, it offers compelling features for both casual users and gamers. This processor belongs to Intel's 12th generation Alder Lake family, boasting six cores and twelve threads, which work together to provide a maximum clock speed of up to 4.4GHz. This makes it suitable for multitasking and handling demanding applications without breaking the bank.

Overview of the Intel 24 Core i9 14900KF Raptor Lake Refresh CPU

In contrast, the Intel 24 Core i9 14900KF Raptor Lake Refresh CPU is positioned at a significantly higher price point of £400.97. This processor is designed for enthusiasts, offering advanced features that cater to high-performance gaming and content creation. With 24 cores and the ability to leverage Intel's Thermal Velocity Boost and Turbo Boost Max Technology 3.0, it promises exceptional processing power. This makes it a prime choice for users who require top-tier performance from their CPU.

Performance Comparison

When it comes to performance, the Intel 24 Core i9 14900KF clearly outshines the Intel Core i5 12400. With 24 cores compared to the i5's 6 cores, the i9 is engineered for heavy workloads, capable of tackling complex tasks simultaneously. The i9’s advanced technologies, including PCIe 5.0 and support for both DDR5 and DDR4 memory, ensure that it can handle the latest hardware and software demands. While the i5 12400 is suitable for everyday tasks and light gaming, the i9 14900KF is built for those who push their systems to the limit.

Gaming Capabilities

For gamers, the Intel 24 Core i9 14900KF is the clear victor. Its architecture and higher core count allow it to deliver superior frame rates and graphics performance in the latest titles. The requirement for discrete graphics further highlights its focus on high-performance gaming. While the Intel Core i5 12400 can handle casual gaming with ease, it simply cannot compete with the i9's capabilities, particularly in resource-intensive games that benefit from additional cores and superior processing speeds.

Compatibility and Upgradability

Both processors are compatible with Intel's latest chipset series, but the i9 14900KF offers a wider range of options due to its support for newer technologies. The i9 is compatible with both Intel 700 Series and Intel 600 Series chipsets, ensuring flexibility for users looking to upgrade their systems. On the other hand, the i5 12400, while still modern, may not offer the same level of future-proofing as the i9, especially given its more limited features and performance potential.

Power Consumption

The Intel Core i5 12400 is more energy-efficient, with lower power demands compared to the i9 14900KF. The i5's design allows it to operate effectively at a lower thermal envelope, making it a suitable choice for budget-conscious users who are mindful of energy costs. Conversely, the i9 14900KF has a base power requirement of 125W, which reflects its high performance but may lead to higher electricity bills and necessitate robust cooling solutions.

Price-to-Performance Ratio

In terms of price-to-performance ratio, the Intel Core i5 12400 presents a more attractive option for the average consumer. At £205.99, it delivers solid performance for everyday tasks and light gaming without requiring a substantial financial investment. Meanwhile, the Intel 24 Core i9 14900KF, though providing exceptional performance, comes at a steep price of £400.97. This higher cost may only be justifiable for professional users or serious gamers who demand the utmost from their hardware.

Which should you buy?

Ultimately, the choice between the Intel Core i5 12400 Processor and the Intel 24 Core i9 14900KF Raptor Lake Refresh CPU boils down to your specific needs and budget. If you are a casual user or a gamer seeking reliable performance without excessive expenditure, the i5 12400 is a commendable choice. However, if your work involves demanding applications or you are an enthusiast gamer looking for top-tier performance, the i9 14900KF, despite its higher price, will deliver the power and capabilities you require.

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Intel Core i5 12400 Processor vs Intel 24 Core i9 14900KF Raptor Lake Refresh CPU/Processor | versusfinder