Intel Core i5-10400 Desktop Processor 6 Cores up vs Intel® Core™ Ultra 7 Desktop Processor 265 20
Updated August 2026 — Intel® Core™ Ultra 7 Desktop Processor 265 20 leads on cores and clock speed.
The Intel Core Ultra 7 offers superior performance with more cores and higher clock speeds, making it the better choice for demanding tasks.
Why Intel Core i5-10400 Desktop Processor 6 Cores up is better
Price
Lower cost at $205.13
Power Consumption
Both have a TDP of 65W
Integrated Graphics
Includes Intel Optane Memory support
Why Intel® Core™ Ultra 7 Desktop Processor 265 20 is better
Core Count
20 cores vs 6 cores
Clock Speed
Up to 5.3 GHz vs 4.3 GHz
Performance
Better for multitasking and demanding applications
Overall score
Specifications
| Spec | Intel Core i5-10400 Desktop Processor 6 Cores up | Intel® Core™ Ultra 7 Desktop Processor 265 20 |
|---|---|---|
| Cores | 6 | 20 |
| Threads | 12 | 20 |
| Max Speed | 4.3 GHz | 5.3 GHz |
| TDP | 65W | 65W |
| Chipset | 400 Series | 800 Series |
Dimension comparison
Overview of the Intel Core i5-10400 and Intel Core Ultra 7
The Intel Core i5-10400 is priced at $205.13, while the Intel Core Ultra 7 comes at a higher price of $299.99, making it about 46% more expensive. This significant price difference reflects the differences in performance and features between these two processors. Both are designed for desktop use but cater to different user needs.
Core Count and Architecture
The Intel Core i5-10400 features 6 cores and supports 12 threads, making it suitable for gaming and basic productivity tasks. In contrast, the Intel Core Ultra 7 boasts an impressive 20 cores, composed of 8 performance cores and 12 efficiency cores, allowing it to handle more intensive workloads and multitasking scenarios effectively. This hybrid architecture of the Ultra 7 is designed to optimize performance by distributing workloads intelligently, making it more suitable for users who require significant processing power.
Clock Speed and Performance
The Intel Core i5-10400 can reach speeds of up to 4.3 GHz, which is adequate for most gaming and productivity needs. However, the Intel Core Ultra 7 pushes the envelope further with a maximum clock speed of 5.3 GHz. This 23% increase in clock speed means that the Ultra 7 is better equipped to handle demanding applications, including gaming at higher settings and productivity tasks that require more computational power.
Compatibility and Chipset Support
The Intel Core i5-10400 is compatible with Intel's 400 series chipset motherboards, while the Intel Core Ultra 7 requires the newer 800 series chipset-based motherboards. If you are looking to upgrade an existing setup, this chipset requirement for the Ultra 7 could mean additional costs. However, the Ultra 7's support for advanced features like PCIe 5.0 could provide benefits for future-proofing your system.
Integrated Graphics
Both processors come with integrated graphics support. The Intel Core i5-10400 includes Intel Optane Memory support, which can enhance the performance of compatible storage solutions. The Ultra 7 also supports Intel Optane Memory and provides integrated Intel Graphics, which may be beneficial for users who do not require a dedicated graphics card. This feature makes both processors viable options for light gaming and multimedia tasks without a separate GPU.
Power Consumption and Thermal Solutions
The Intel Core i5-10400 has a thermal design power (TDP) of 65W, which is standard for mid-range processors. The Intel Core Ultra 7 also has a TDP of 65W, indicating that both processors are designed to be efficient in terms of power consumption. However, the Ultra 7 does not include a thermal solution in the box, which means users will need to purchase a cooler separately, potentially adding to the overall cost of the build.
Pricing and Value for Money
The Intel Core i5-10400 is currently priced at $205.13, which is significantly more accessible than the Intel Core Ultra 7, priced at $299.99. The higher price of the Ultra 7 reflects its advanced capabilities, including a greater core count and higher clock speeds. For users who require robust performance for gaming or productivity, investing in the Ultra 7 may be worth the additional cost. However, for those on a budget or with less demanding needs, the i5-10400 offers excellent value for its price.
Which should you buy?
Choosing between the Intel Core i5-10400 and the Intel Core Ultra 7 largely depends on your specific needs and budget. If you're looking for a processor that can handle basic gaming and productivity tasks without breaking the bank, the i5-10400 is a solid choice at $205.13. However, if your work or gaming demands higher performance and you can justify the additional cost, the Intel Core Ultra 7, priced at $299.99, offers superior capabilities with its higher core count and clock speed. Ultimately, the decision should be based on the balance between performance requirements and budget constraints.

