Intel Core i5-10400 Desktop Processor 6 Cores up vs Intel® Core™ i5-11600K Desktop Processor 6 Cores
Updated August 2026 — Intel Core i5-10400 Desktop Processor 6 Cores up wins on cooling and power usage, Intel® Core™ i5-11600K Desktop Processor 6 Cores wins on overclocking and features.
The Intel Core i5-11600K offers better performance and overclocking capabilities, making it the superior choice for high-performance builds. However, the i5-10400 is more budget-friendly and includes a cooler.
Why Intel Core i5-10400 Desktop Processor 6 Cores up is better
Price
i5-10400 is slightly more expensive.
Included Cooler
i5-10400 includes a cooler.
Lower TDP
i5-10400 has a lower power consumption.
Why Intel® Core™ i5-11600K Desktop Processor 6 Cores is better
Performance
i5-11600K has a higher clock speed.
Overclocking
i5-11600K is unlocked for overclocking.
Compatibility
i5-11600K supports newer chipsets.
Overall score
Specifications
| Spec | Intel Core i5-10400 Desktop Processor 6 Cores up | Intel® Core™ i5-11600K Desktop Processor 6 Cores |
|---|---|---|
| Cores | 6 | 6 |
| Threads | 12 | 12 |
| Max Clock | 4.3 GHz | 4.9 GHz |
| TDP | 65W | 125W |
| Overclocking | No | Yes |
| Included Cooler | Yes | No |
Dimension comparison
Introduction to the Intel Core i5 Processors
In this article, we will compare two popular Intel Core i5 processors: the Intel Core i5-10400 and the Intel Core i5-11600K. Both processors are designed for a range of computing tasks including gaming and productivity, but they come with distinct features and price points. The i5-10400 is currently priced at $205.13, while the i5-11600K is slightly cheaper at $199.00, making it about 3% less expensive.
Performance Comparison
The performance of a processor is crucial for gamers and creators alike. The Intel Core i5-10400 boasts 6 cores with a maximum clock speed of up to 4.3 GHz, which is capable of handling most gaming and productivity tasks efficiently. In comparison, the i5-11600K also has 6 cores but can reach a higher clock speed of up to 4.9 GHz. This difference in clock speed can translate to better performance in demanding applications, especially when overclocking is considered.
Power Consumption
Power consumption is an essential consideration for users, particularly those who aim to build energy-efficient systems. The Intel Core i5-10400 operates at a thermal design power (TDP) of 65W, which is relatively low and suitable for mainstream builds. On the other hand, the i5-11600K has a higher TDP of 125W. This increased power requirement may lead to higher electricity costs over time, but it also allows for improved performance capabilities, particularly when overclocking is utilized.
Socket Compatibility
Socket compatibility is a key factor for those looking to build or upgrade their systems. The Intel Core i5-10400 is designed to be used with LGA 1200 socket motherboards that support the Intel 400 series chipset. Conversely, the i5-11600K is compatible with both the Intel 500 series and select 400 series chipset motherboards. This wide compatibility makes the i5-11600K a more versatile choice for users who want to future-proof their systems, as they can take advantage of newer technology without needing a complete overhaul.
Cooling Solutions
Cooling solutions are vital for maintaining optimal performance, particularly during extended gaming or heavy workloads. The i5-10400 includes a cooler in the box, which is a plus for users who may not want to invest in aftermarket cooling solutions immediately. In contrast, the i5-11600K does not come with a thermal solution, necessitating an additional purchase for effective cooling. This could lead to added costs, especially considering the i5-11600K's higher performance demands.
Overclocking Capability
When it comes to overclocking, the Intel Core i5-11600K has a distinct advantage. As an unlocked processor, it allows users to push the clock speeds beyond the factory settings, which can significantly enhance performance in gaming and demanding applications. The i5-10400, however, does not support overclocking, making it less appealing to enthusiasts who wish to maximize their system's capabilities.
Price Trends
Pricing can often be a decisive factor when choosing between two products. The Intel Core i5-10400 is currently listed at $205.13, while the i5-11600K is available for $199.00. This price difference of about $6.13 may seem minor, but it represents a savings of approximately 3% for the i5-11600K. Additionally, the average price over the last 90 days for the i5-10400 has been $162.64, indicating that it may be subject to more fluctuation than the i5-11600K, which has a 90-day average of $198.89.
Which should you buy?
Choosing between the Intel Core i5-10400 and the Intel Core i5-11600K ultimately depends on your specific needs and budget. If you're looking for a cost-effective processor that includes a cooler and operates efficiently for general tasks, the i5-10400 is a solid choice. However, if you want better performance, overclocking capabilities, and a more versatile compatibility with motherboards, the i5-11600K is worth the extra investment. Given its slightly lower price and superior capabilities, the i5-11600K may be the better option for those looking to build a high-performance system.

