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Intel Core i5 Core 12400F Desktop Processor 18M Cache vs Intel® Core™ Ultra 5 Processor 250KF Plus 18 cores

Updated August 2026The Intel® Core™ Ultra 5 Processor 250KF Plus outperforms the Intel Core i5 Core 12400F in almost every aspect, making it the better choice for enthusiasts.

The Intel® Core™ Ultra 5 Processor 250KF Plus outperforms the Intel Core i5 Core 12400F in almost every aspect, making it the better choice for enthusiasts.

Why Intel Core i5 Core 12400F Desktop Processor 18M Cache is better

lower price

C$308.17 vs C$301.61

lower power

65W vs 125W base power

sufficient for basic tasks

suitable for everyday computing

Why Intel® Core™ Ultra 5 Processor 250KF Plus 18 cores is better

higher core count

24 cores vs 6 cores

better turbo frequency

5.5 GHz vs 4.4 GHz

future-proofing

supports PCIe 5.0 and DDR5

Overall score

Intel Core i5 Core 12400F Desktop Processor 18M Cache
65
Intel® Core™ Ultra 5 Processor 250KF Plus 18 cores
90

Specifications

SpecIntel Core i5 Core 12400F Desktop Processor 18M CacheIntel® Core™ Ultra 5 Processor 250KF Plus 18 cores
BrandIntelIntel
PriceC$308.17C$301.61
Cores624
Max Turbo4.4 GHz5.5 GHz
Base Power65W125W
SocketLGA1700LGA1851

Dimension comparison

Intel Core i5 Core 12400F Desktop Processor 18M CacheIntel® Core™ Ultra 5 Processor 250KF Plus 18 cores

Overview of the Intel Core i5 Core 12400F

The Intel Core i5 Core 12400F is a solid choice for users looking for reliable performance at a competitive price of C$308.17. This processor features a 6-core configuration, comprising 6 performance cores and no efficiency cores, which allows it to reach turbo frequencies of up to 4.4 GHz. Its base power requirement is 65W, making it a suitable option for mid-range builds that do not demand the highest power consumption.

The processor is designed for use with the LGA1700 socket and 600 series chipset, making it compatible with a wide range of motherboards. While it doesn't boast the highest core count compared to its competitor, it provides solid performance for tasks like gaming and everyday computing.

Overview of the Intel® Core™ Ultra 5 Processor 250KF Plus

The Intel® Core™ Ultra 5 Processor 250KF Plus offers a more advanced architecture with a significantly higher core count, priced slightly lower at C$301.61. This processor features a total of 24 cores, composed of 8 performance cores and 16 efficiency cores, which allows it to handle demanding gaming and productivity tasks with ease. It can achieve impressive turbo frequencies of up to 5.5 GHz, providing enhanced responsiveness and performance.

Optimized for high-performance applications, this processor requires a robust 125W base power and a maximum turbo power of 250W. It is compatible with Intel's latest 800 series chipset motherboards, supporting PCIe 5.0 and DDR5 memory up to 7200 MT/s, making it a future-proof choice for enthusiasts and power users.

Performance Capabilities

When it comes to raw performance, the Intel® Core™ Ultra 5 Processor 250KF Plus clearly outshines the Intel Core i5 Core 12400F. With 24 cores compared to the 6 cores of the i5-12400F, the Ultra 5 is designed for multitasking and high-intensity applications. While the i5-12400F can reach a maximum turbo frequency of 4.4 GHz, the Ultra 5 takes it a step further with a max turbo frequency of 5.5 GHz. This significant difference in clock speed and core count indicates that the Ultra 5 is better suited for gaming, content creation, and other demanding tasks, especially when multiple threads are in play.

Power Consumption and Thermal Design

In terms of power consumption, the Intel Core i5 Core 12400F has a lower base power requirement of 65W, making it a more energy-efficient choice for users who prioritize lower operating costs. On the other hand, the Intel® Core™ Ultra 5 Processor 250KF Plus has a base power of 125W, which indicates that it is designed for high performance and may require better cooling solutions to manage heat effectively, especially under load.

The Ultra 5's robust thermal design, with a maximum turbo power of 250W, allows it to sustain high performance during intensive tasks. This makes it ideal for gamers and content creators who need dependable performance under pressure, while the i5-12400F is better suited for standard computing without the need for extensive thermal management.

Compatibility and Future-Proofing

The Intel Core i5 Core 12400F is compatible with the LGA1700 socket and is designed for 600 series chipsets, which are adequate for current mainstream applications. However, the Intel® Core™ Ultra 5 Processor 250KF Plus is built for the future, supporting the latest Intel 800 series chipset with LGA1851 socket. This compatibility allows it to take advantage of newer technologies such as PCIe 5.0 and DDR5 memory, which offer significant improvements in bandwidth and speed for next-gen gaming and computing.

Users looking to keep their systems future-proof may find the Ultra 5 to be the better choice, as it offers advanced features that will be beneficial as software continues to evolve and demand more from hardware.

Gaming Performance

For gaming performance, the Intel® Core™ Ultra 5 Processor 250KF Plus is likely the superior choice due to its higher core count and turbo frequency. The ability to reach 5.5 GHz means it can handle the latest games with demanding graphics and processing requirements more effectively than the i5-12400F.

Although the Core i5-12400F can still deliver decent gaming experiences, its lower core count and clock speed may limit its ability to run the most demanding titles at high settings. Gamers who want the best experience in modern games should consider the Ultra 5 for its enhanced capabilities.

Price Comparison

In terms of pricing, the Intel Core i5 Core 12400F is listed at C$308.17, while the Intel® Core™ Ultra 5 Processor 250KF Plus is slightly more affordable at C$301.61. Despite the Ultra 5's advanced specifications and capabilities, it comes at a lower price point. This makes it a compelling option for users looking for maximum performance without breaking the bank.

The price difference may also reflect the i5-12400F's position as a mid-range processor, while the Ultra 5 targets enthusiasts and power users.

Which should you buy?

Deciding between the Intel Core i5 Core 12400F and the Intel® Core™ Ultra 5 Processor 250KF Plus ultimately hinges on your specific needs and use cases. If you’re looking for a cost-effective solution for everyday tasks and light gaming, the i5-12400F is a solid choice that offers reliable performance at a fair price. However, if you are an enthusiast or a power user who engages in demanding gaming, content creation, or multitasking, the Ultra 5 is the clear winner. Its higher core count, superior turbo frequency, and future-proof compatibility make it an excellent investment for performance-oriented users.

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Intel Core i5 Core 12400F Desktop Processor 18M Cache vs Intel® Core™ Ultra 5 Processor 250KF Plus 18 cores | versusfinder