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Intel® Core™ i9-14900KS Desktop Processor 24 cores vs Intel Core i5-9400 Desktop Processor 6 Cores 2. 90 GHz up to 4. 10 GHz Turbo LGA

Updated August 2026The Intel® Core™ i9-14900KS outperforms the Intel Core i5-9400 significantly in terms of power and capabilities, making it the better choice for high-performance needs.

The Intel® Core™ i9-14900KS outperforms the Intel Core i5-9400 significantly in terms of power and capabilities, making it the better choice for high-performance needs.

Why Intel® Core™ i9-14900KS Desktop Processor 24 cores is better

core count

24 cores vs 6 cores

clock speed

up to 5.9 GHz vs 4.1 GHz

graphics

Intel UHD Graphics 770 vs 630

Why Intel Core i5-9400 Desktop Processor 6 Cores 2. 90 GHz up to 4. 10 GHz Turbo LGA is better

price

C$209.89 vs C$1,038.84

power consumption

generally lower power requirements

compatibility

compatible with older 300 series motherboards

Overall score

Intel® Core™ i9-14900KS Desktop Processor 24 cores
95
Intel Core i5-9400 Desktop Processor 6 Cores 2. 90 GHz up to 4. 10 GHz Turbo LGA
65

Specifications

SpecIntel® Core™ i9-14900KS Desktop Processor 24 coresIntel Core i5-9400 Desktop Processor 6 Cores 2. 90 GHz up to 4. 10 GHz Turbo LGA
Cores246
Threads326
Max Turbo5.9 GHz4.1 GHz
Base Frequency3.0 GHz2.9 GHz
Integrated GraphicsUHD 770UHD 630

Dimension comparison

Intel® Core™ i9-14900KS Desktop Processor 24 coresIntel Core i5-9400 Desktop Processor 6 Cores 2. 90 GHz up to 4. 10 GHz Turbo LGA

Overview of the Processors

When comparing the Intel® Core™ i9-14900KS and the Intel Core i5-9400, there is a significant difference in performance capabilities and price. The i9-14900KS is a high-end processor designed for enthusiasts, while the i5-9400 is a budget-friendly option for everyday tasks and casual gaming. The i9-14900KS is priced at C$1,038.84, while the i5-9400 is much more accessible at C$209.89. This price disparity reflects the advanced features and performance levels offered by the i9 model.

Core Count and Performance

The core count is one of the most critical aspects of processor performance. The Intel® Core™ i9-14900KS features an impressive 24 cores, comprising 8 performance cores and 16 efficiency cores, allowing it to handle demanding tasks and multitasking effortlessly. In contrast, the Intel Core i5-9400 has only 6 cores, which limits its capabilities in multitasking and high-performance applications. With 32 threads compared to the i5-9400’s 6 threads, the i9-14900KS is built for those who require top-tier performance, such as gamers and content creators.

Clock Speed and Turbo Boost

Clock speed directly impacts a processor’s responsiveness and performance. The Intel® Core™ i9-14900KS can achieve speeds of up to 5.9 GHz with Turbo Boost Max Technology 3.0, ensuring smooth gameplay and high frame rates. On the other hand, the Intel Core i5-9400 has a base frequency of 2.9 GHz and can reach a maximum turbo frequency of 4.1 GHz. The significant difference in clock speeds means that the i9-14900KS will excel in performance-heavy scenarios, such as gaming and video editing, compared to the i5-9400.

Integrated Graphics

Both processors come with integrated graphics, which is essential for users who do not have dedicated graphics cards. The Intel® Core™ i9-14900KS includes Intel UHD Graphics 770, while the Intel Core i5-9400 is equipped with Intel UHD Graphics 630. Although both graphics solutions are capable of handling basic tasks and light gaming, the i9 model's graphics offer better performance, making it more suitable for gaming at higher settings and resolutions.

Compatibility and Motherboard Support

The compatibility of these processors with motherboards is another critical consideration. The Intel® Core™ i9-14900KS is compatible with Intel 600-series and 700-series chipset-based motherboards, which may require a BIOS update for optimal performance. Conversely, the Intel Core i5-9400 is only compatible with motherboards based on Intel 300 Series chipsets. This difference means that users of the i9-14900KS have access to newer technologies and features that may enhance their computing experience.

Power Consumption

Power consumption is an essential factor, especially for users concerned about energy efficiency. The Intel® Core™ i9-14900KS has a processor base power of 150W, which indicates a higher power requirement due to its advanced capabilities. In contrast, the power consumption specifics for the Intel Core i5-9400 are not explicitly stated but are generally lower given its fewer cores and threads. Users should consider their power supply and cooling solutions when deciding between these two processors.

Price-to-Performance Ratio

Price is a significant determining factor when choosing between the two processors. The Intel® Core™ i9-14900KS is priced at C$1,038.84, making it a considerable investment aimed at enthusiasts who require top performance. In contrast, the Intel Core i5-9400 is priced at C$209.89, offering excellent value for everyday computing needs. The i5-9400 provides sufficient performance for casual users and gamers, while the i9-14900KS caters to a niche market of high-performance users willing to pay for superior technology.

Which should you buy?

Choosing between the Intel® Core™ i9-14900KS and the Intel Core i5-9400 ultimately depends on your specific needs and budget. If you are a serious gamer or content creator looking for top-tier performance and are willing to invest over C$1,000, the i9-14900KS is the clear choice with its 24 cores and exceptional clock speeds. However, if you are seeking a more budget-friendly option for general use or casual gaming, the i5-9400 offers decent performance at a fraction of the price, making it a practical selection for everyday tasks.

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Intel® Core™ i9-14900KS Desktop Processor 24 cores vs Intel Core i5-9400 Desktop Processor 6 Cores 2. 90 GHz up to 4. 10 GHz Turbo LGA | versusfinder