Intel® Core™ i5-11400 Desktop Processor 6 Cores up vs Intel® Core™ Ultra 5 Processor 250KF Plus 18 cores
Updated August 2026 — Intel® Core™ i5-11400 Desktop Processor 6 Cores up wins on graphics and power, Intel® Core™ Ultra 5 Processor 250KF Plus 18 cores wins on performance and price.
The Intel® Core™ Ultra 5 Processor 250KF Plus offers superior performance for demanding tasks, while the i5-11400 is a great value for everyday use.
Why Intel® Core™ i5-11400 Desktop Processor 6 Cores up is better
Price
i5-11400 is significantly cheaper
Power Consumption
i5-11400 has lower power requirements
Integrated Graphics
i5-11400 includes integrated graphics
Why Intel® Core™ Ultra 5 Processor 250KF Plus 18 cores is better
Performance
Ultra 5 has more cores and higher clock speed
Future-Proofing
Ultra 5 supports PCIe 5.0 and DDR5
Overclocking
Ultra 5 is unlocked for performance tuning
Overall score
Specifications
| Spec | Intel® Core™ i5-11400 Desktop Processor 6 Cores up | Intel® Core™ Ultra 5 Processor 250KF Plus 18 cores |
|---|---|---|
| Cores | 6 | 18 |
| Max Clock | 4.4 GHz | 5.3 GHz |
| Socket | LGA1200 | LGA1851 |
| Base Power | 65W | 125W |
| Integrated GPU | Yes | No |
Dimension comparison
Overview of the Intel® Core™ i5-11400 and Intel® Core™ Ultra 5 Processor 250KF Plus
The Intel® Core™ i5-11400 is priced at $186.00, while the Intel® Core™ Ultra 5 Processor 250KF Plus costs $240.58, making the i5-11400 about 23% cheaper. Both processors are designed for different segments of users, with the i5-11400 targeting mid-range desktop users and the Ultra 5 catering to enthusiasts. Understanding their capabilities will help you decide which one fits your needs better.
Performance Analysis
The Intel® Core™ i5-11400 features 6 cores and can reach speeds of up to 4.4 GHz, which is suitable for gaming and productivity applications. In contrast, the Intel® Core™ Ultra 5 Processor 250KF Plus boasts an impressive 18 cores (6 Performance-cores and 12 Efficient-cores) with a maximum boost clock of 5.3 GHz. This difference in core count and clock speed indicates that the Ultra 5 is designed for more demanding tasks, such as high-end gaming and content creation. Users seeking extreme performance will likely find the Ultra 5 more appealing despite its higher price.
Power Consumption and Thermal Design
The Intel® Core™ i5-11400 operates at a power rating of 65 watts, which is relatively efficient for a 6-core processor. In contrast, the Intel® Core™ Ultra 5 Processor 250KF Plus has a base power of 125 watts and a maximum turbo power of 250 watts. This indicates that the Ultra 5 is built for high performance, but it requires more robust cooling solutions and power supplies. For users concerned about energy consumption and heat output, the i5-11400 may be the more suitable choice.
Compatibility and Future-Proofing
The Intel® Core™ i5-11400 is compatible with the LGA1200 socket and works with Intel's 500 and select 400 series chipset motherboards. On the other hand, the Intel® Core™ Ultra 5 Processor 250KF Plus uses the newer LGA1851 socket, enabling support for PCIe 5.0 and DDR5 memory, which can reach speeds of up to 7200 MT/s. This future-proofing makes the Ultra 5 a better investment for users looking to build a cutting-edge system that can take advantage of the latest technologies.
Integrated Graphics vs. Discrete Graphics
The Intel® Core™ i5-11400 incorporates Intel UHD Graphics 730, allowing users to run applications and games without needing a dedicated GPU. This is particularly useful for casual users or those on a budget. In contrast, the Intel® Core™ Ultra 5 Processor 250KF Plus does not include integrated graphics, necessitating a discrete graphics card for any graphical tasks. For users planning to use their system primarily for gaming or intensive graphical work, the lack of integrated graphics in the Ultra 5 could be a disadvantage unless they are already invested in a high-performance GPU.
Ideal User Profiles
The Intel® Core™ i5-11400 is ideal for users who engage in moderate gaming, everyday computing, and content consumption. Its price point and performance make it suitable for a wide range of users, from students to professionals looking for a reliable desktop experience. Conversely, the Intel® Core™ Ultra 5 Processor 250KF Plus is designed for enthusiasts and power users who require the highest levels of performance for gaming and content creation. Its high core count and support for the latest technologies make it an excellent choice for serious gamers and creators who need more from their hardware.
Price Comparison and Value
With the Intel® Core™ i5-11400 priced at $186.00 and the Intel® Core™ Ultra 5 Processor 250KF Plus at $240.58, the Ultra 5 is about 29% more expensive. When considering performance metrics and features, the higher price of the Ultra 5 may be justified for users needing extreme processing power. However, for everyday use and moderate gaming, the i5-11400 provides excellent value without the need for such a significant financial investment.
Which should you buy?
Choosing between the Intel® Core™ i5-11400 and the Intel® Core™ Ultra 5 Processor 250KF Plus depends on your specific needs and budget. If you are a casual user or gamer, the i5-11400 offers solid performance at a lower price point. However, if you are an enthusiast or a content creator requiring top-tier performance, the Ultra 5's advanced features and higher core count make it the better choice despite its higher price. Ultimately, understanding your usage requirements will guide you to the right processor for your system.

