Intel Core i5-10400 Desktop Processor 6 Cores up vs Intel® Core™ Ultra 9 Desktop Processor 285 24
Updated August 2026 — Intel Core i5-10400 Desktop Processor 6 Cores up wins on cooling and compatibility, Intel® Core™ Ultra 9 Desktop Processor 285 24 wins on cores and threads.
The Intel Core Ultra 9 offers superior performance and features, making it ideal for enthusiasts, while the i5-10400 is a solid choice for budget-conscious users.
Why Intel Core i5-10400 Desktop Processor 6 Cores up is better
Price
More affordable at $205.13
Power Consumption
Both have 65W base power
Cooling Solution
Includes cooler in the box
Why Intel® Core™ Ultra 9 Desktop Processor 285 24 is better
Performance
24 cores vs 6 cores
Speed
Up to 5.6 GHz vs 4.3 GHz
Integrated Graphics
Includes integrated Intel Graphics
Overall score
Specifications
| Spec | Intel Core i5-10400 Desktop Processor 6 Cores up | Intel® Core™ Ultra 9 Desktop Processor 285 24 |
|---|---|---|
| Cores | 6 | 24 |
| Threads | 12 | 24 |
| Max Speed | 4.3 GHz | 5.6 GHz |
| Power | 65W | 65W |
| Integrated Graphics | No | Yes |
Dimension comparison
Introduction to the Processors
In this comparison, we look at two Intel processors: the Intel Core i5-10400 and the Intel Core Ultra 9. The i5-10400 is priced at $205.13, while the Ultra 9 comes in significantly higher at $569.91, making the latter about 177% more expensive. Understanding their features and intended use cases is essential for making an informed decision.
Performance Overview
The Intel Core i5-10400 offers 6 cores and 12 threads, reaching speeds of up to 4.3 GHz, making it suitable for gaming and general productivity. In contrast, the Intel Core Ultra 9 boasts a remarkable 24 cores, composed of 8 performance cores (P-cores) and 16 efficiency cores (E-cores), and can achieve speeds of up to 5.6 GHz. This performance disparity illustrates that the Ultra 9 is designed for more demanding tasks, such as high-end gaming and content creation, making it ideal for enthusiasts and professionals.
Compatibility and Chipset Support
The Intel Core i5-10400 is compatible with LGA 1200 sockets and Intel 400 series chipset motherboards. Meanwhile, the Intel Core Ultra 9 requires a newer Intel 800 series chipset. This distinction can impact your upgrade path, particularly if you are building a new system. If you're looking to maximize your investment in a motherboard, the i5-10400 might be the better choice for budget-conscious users or those upgrading older systems.
Cooling Solutions
The Intel Core i5-10400 comes with a cooler included in the box, which simplifies installation and provides adequate cooling for its 65W power consumption. In contrast, the Intel Core Ultra 9 does not include a thermal solution, which could lead to additional costs for users who may need to purchase a separate cooler. This difference is critical for those who may not already have a cooling solution in place, especially considering that the Ultra 9 has greater power requirements.
Power Consumption
Both processors have a base power of 65W, which is relatively efficient for their performance capabilities. However, the Ultra 9's extensive core count and higher clock speeds may lead to increased power draw under load, particularly during intensive tasks. If energy efficiency is a concern, the i5-10400 presents a compelling option due to its lower power demands while still delivering satisfactory performance for most users.
Integrated Graphics
The Intel Core Ultra 9 features integrated Intel Graphics, which can be beneficial for users who do not plan to install a dedicated GPU. This feature enhances the Ultra 9's versatility, making it suitable for light gaming and general multimedia tasks without requiring additional hardware. On the other hand, the Intel Core i5-10400 does not explicitly mention integrated graphics support in its specifications, which may necessitate a discrete graphics card for users focused on gaming or heavy graphical workloads.
Target Audience
The Intel Core i5-10400 is geared towards gamers and casual users looking for a cost-effective solution for everyday tasks. Its pricing at $205.13 makes it an attractive option for budget builds. Conversely, the Intel Core Ultra 9 targets enthusiasts and professionals who demand top-tier performance for gaming and content creation, justifying its higher price of $569.91. This distinction in target audience reflects the differing capabilities of each processor.
Which should you buy?
Choosing between the Intel Core i5-10400 and the Intel Core Ultra 9 largely depends on your specific needs and budget. If you're a casual gamer or someone who engages in everyday tasks, the i5-10400's affordability and sufficient performance make it an excellent choice. However, if you are an enthusiast or a professional requiring high performance for demanding applications, the Ultra 9's superior capabilities may be worth the investment. Ultimately, your choice should align with your performance needs and budget constraints.

