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Intel® Core™ i5-14400 Desktop Processor 10 cores 4.7 GHz vs Intel® Core™ Ultra 5 Processor 250KF Plus 18 cores

Updated August 2026 — Intel® Core™ i5-14400 Desktop Processor 10 cores 4.7 GHz wins on power and graphics, Intel® Core™ Ultra 5 Processor 250KF Plus 18 cores wins on future-proof and performance.

The Intel® Core™ Ultra 5 Processor 250KF Plus offers superior performance for demanding tasks, while the Intel® Core™ i5-14400 is more budget-friendly and versatile.

Why Intel® Core™ i5-14400 Desktop Processor 10 cores 4.7 GHz is better

Price

Lower upfront cost at $264.99

Integrated Graphics

Includes Intel UHD Graphics 730

Compatibility

Works with existing 600/700-series motherboards

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

Performance

Higher core count with 18 cores

Clock Speed

Reaches up to 5.3 GHz

Future-Proofing

Supports next-gen DDR5 and PCIe 5.0

Overall score

Intel® Core™ i5-14400 Desktop Processor 10 cores 4.7 GHz
75
Intel® Core™ Ultra 5 Processor 250KF Plus 18 cores
85

Specifications

SpecIntel® Core™ i5-14400 Desktop Processor 10 cores 4.7 GHzIntel® Core™ Ultra 5 Processor 250KF Plus 18 cores
Cores10 (6 P-cores + 4 E-cores)18 (6 P-cores + 12 E-cores)
Max Speed4.7 GHz5.3 GHz
Base Power65W125W
Integrated GPUYesNo
Chipset Compatibility600/700 Series800 Series

Dimension comparison

Intel® Core™ i5-14400 Desktop Processor 10 cores 4.7 GHzIntel® Core™ Ultra 5 Processor 250KF Plus 18 cores

Core Architecture and Performance

The Intel® Core™ i5-14400 Desktop Processor features 10 cores with a hybrid configuration of 6 P-cores and 4 E-cores, while the Intel® Core™ Ultra 5 Processor 250KF Plus boasts 18 cores with 6 P-cores and 12 E-cores. The i5-14400 operates at a maximum speed of 4.7 GHz, whereas the Ultra 5 can reach up to 5.3 GHz. This difference in core count and clock speed indicates that the Ultra 5 is designed for more demanding tasks, making it a better choice for intensive gaming and content creation. The Ultra 5, with its higher core count, can handle parallel processing more effectively than the i5-14400.

Compatibility and Chipset

The Intel® Core™ i5-14400 is compatible with Intel 600-series and 700-series chipset-based motherboards, while the Intel® Core™ Ultra 5 Processor 250KF Plus requires Intel 800 Series chipset motherboards. The i5-14400 is versatile for users with existing 600 or 700-series motherboards, making it easier to upgrade without needing a new motherboard. In contrast, those interested in the Ultra 5 will need to invest in a new motherboard, which could add to the overall cost of upgrading. This consideration is crucial for those looking to enhance their current setups without significant additional expenses.

Power Consumption and Thermal Design

The Intel® Core™ i5-14400 has a base power of 65W, making it relatively energy-efficient for its performance capabilities. On the other hand, the Ultra 5 has a base power requirement of 125W, which indicates it is designed for higher performance but will also consume more power. This increase in power consumption may lead to higher electricity bills and the need for more robust cooling solutions. Users should weigh the performance benefits against the potential for increased energy costs and cooling requirements when choosing between these two processors.

Graphics Integration

The Intel® Core™ i5-14400 includes integrated Intel UHD Graphics 730, making it a suitable option for users who do not require a dedicated graphics card for everyday tasks. In contrast, the Intel® Core™ Ultra 5 Processor 250KF Plus does not come with integrated graphics, necessitating the use of a discrete graphics card for any graphical output. This difference can significantly affect the overall cost for users who need to purchase a separate GPU for the Ultra 5, making the i5-14400 a more convenient option for those who prioritize simplicity and cost-effectiveness.

Pricing Comparison

The Intel® Core™ i5-14400 is priced at $264.99, while the Intel® Core™ Ultra 5 Processor 250KF Plus is slightly cheaper at $240.58, making it about 9% less expensive. However, this price difference may not fully reflect the overall costs when considering the additional components required for the Ultra 5, such as a compatible motherboard and a discrete GPU. Thus, while the Ultra 5 presents a lower upfront price, the total cost of ownership could be higher depending on the user’s existing hardware setup and needs.

Target Audience

The Intel® Core™ i5-14400 is aimed at mainstream users who enjoy gaming and general productivity without the need for extreme performance. It is well-suited for those who play less demanding games or run standard applications. In contrast, the Intel® Core™ Ultra 5 Processor 250KF Plus targets enthusiasts and power users who require high-performance computing for intensive tasks, such as gaming at high settings or professional content creation. Understanding your personal or professional needs is essential in choosing the right processor for optimal performance.

Future-Proofing and Upgrade Potential

Considering future-proofing, the Intel® Core™ Ultra 5 Processor 250KF Plus offers a higher core count and support for next-gen features like DDR5 memory and PCIe 5.0. This can provide better longevity and relevance in performance over time, especially as software becomes more demanding. The i5-14400, while robust for current tasks, may lag behind as new applications emerge that can take advantage of higher core counts. Thus, for users looking to invest in a processor that will remain competitive for years to come, the Ultra 5 has an edge.

Which should you buy?

Choosing between the Intel® Core™ i5-14400 Desktop Processor and the Intel® Core™ Ultra 5 Processor 250KF Plus ultimately depends on your specific needs and budget. If you are a casual user or someone who does not require heavy processing power, the i5-14400 is an excellent choice due to its integrated graphics, lower price, and compatibility with existing motherboards. However, if you are a gamer or a creator looking for high performance and future-proof capabilities, the Ultra 5, despite its higher overall costs when factoring in required components, could be the better investment for your needs. Consider your current setup and how you intend to use the processor to make the most informed decision.