Intel Core i5-10400F Desktop Processor 6 Cores up to 4.3 GHz Without Processor G vs Intel Core i5-9400 Desktop Processor 6 Cores 2. 90 GHz up to 4. 10 GHz Turbo LGA
Updated August 2026 — The Intel Core i5-10400F offers better performance and value for most users compared to the i5-9400.
The Intel Core i5-10400F offers better performance and value for most users compared to the i5-9400.
Why Intel Core i5-10400F Desktop Processor 6 Cores up to 4.3 GHz Without Processor G is better
higher boost frequency
i5-10400F boosts up to 4.3 GHz vs i5-9400's 4.1 GHz
more threads
i5-10400F has 12 threads compared to i5-9400's 6 threads
lower price
i5-10400F costs C$168.99 vs i5-9400's C$209.89
Why Intel Core i5-9400 Desktop Processor 6 Cores 2. 90 GHz up to 4. 10 GHz Turbo LGA is better
integrated graphics
i5-9400 includes Intel UHD Graphics 630
base frequency
both processors have a base frequency of 2.9 GHz
Optane support
both processors support Intel Optane Memory
Overall score
Specifications
| Spec | Intel Core i5-10400F Desktop Processor 6 Cores up to 4.3 GHz Without Processor G | Intel Core i5-9400 Desktop Processor 6 Cores 2. 90 GHz up to 4. 10 GHz Turbo LGA |
|---|---|---|
| Cores | 6 | 6 |
| Base Frequency | 2.9 GHz | 2.9 GHz |
| Max Turbo | 4.3 GHz | 4.1 GHz |
| Threads | 12 | 6 |
| Socket Type | LGA 1200 | LGA 1151 |
Dimension comparison
Overview of the Processors
The Intel Core i5-10400F and Intel Core i5-9400 are both 6-core desktop processors, but they cater to different needs and budget ranges. The i5-10400F is priced at C$168.99, while the i5-9400 sits at a higher price point of C$209.89. This price difference reflects variations in their performance capabilities and design features.
The i5-10400F operates at a base frequency of 2.9 GHz and can boost up to 4.3 GHz, making it suitable for a range of computing tasks, from gaming to productivity. In contrast, the i5-9400 has a base frequency of 2.9 GHz, but its maximum turbo frequency is slightly lower at 4.1 GHz. This slight difference in performance may influence your decision depending on your intended use.
Performance Capabilities
When it comes to performance, the Intel Core i5-10400F has the upper hand with its ability to reach up to 4.3 GHz, compared to the i5-9400's maximum of 4.1 GHz. Both processors have 6 cores, but the i5-10400F features 12 threads, enhancing its multitasking capabilities. This makes it more effective for demanding applications or when running multiple tasks simultaneously.
The i5-9400, on the other hand, only supports 6 threads, which may limit its performance in specific multitasking scenarios. This difference in threading and boost frequency makes the i5-10400F a more versatile choice for users who expect to push their system limits.
Compatibility and Socket Type
Compatibility is a crucial factor when choosing a processor. The Intel Core i5-10400F uses the LGA 1200 socket type, allowing it to work with Intel 400 series chipset motherboards. This compatibility ensures that users have a wider selection of motherboards to choose from, enabling potential upgrades in the future.
In contrast, the i5-9400 is only compatible with motherboards based on Intel 300 series chipsets, which may restrict upgrade options. For users looking to build or upgrade their systems, the i5-10400F offers greater flexibility in terms of motherboard selection.
Integrated Graphics
The Intel Core i5-9400 comes with integrated Intel UHD Graphics 630, an advantage for users who do not wish to invest in a separate graphics card. This feature allows for basic gaming and multimedia tasks without requiring additional hardware.
Conversely, the i5-10400F does not include integrated graphics, meaning users will need a dedicated graphics card for any graphic-intensive applications. This absence may be a drawback for budget-conscious consumers who prefer an all-in-one solution for their computing needs.
Cooling Solutions
Both processors come with cooling solutions, but the specifics differ. The Intel Core i5-10400F includes a cooler in the package, which can help manage temperatures out of the box. This is particularly beneficial for users who may not want to invest in aftermarket cooling solutions right away.
The i5-9400 also supports Intel's Optane Memory but does not specify whether a cooler is included. Users need to consider that if they choose the i5-9400, they may have to budget additionally for cooling solutions, especially if they plan to overclock or use the processor under heavy loads.
Price Comparison
Price is a significant factor for many consumers. The Intel Core i5-10400F is priced at C$168.99, making it a more budget-friendly option. The i5-9400, priced at C$209.89, is approximately C$40 more expensive. This price difference may lead potential buyers to weigh the benefits of features against their budget constraints.
The i5-10400F offers a solid performance for gaming and productivity at a lower price point, while the i5-9400, though pricier, provides integrated graphics for users who require them. For those on a tighter budget or looking for a better value, the i5-10400F is the more appealing option.
Use Case Scenarios
Understanding your specific use case can help determine which processor is right for you. The Intel Core i5-10400F is ideal for gamers and content creators who require higher clock speeds and greater multitasking capabilities. Its 12 threads allow for smoother performance during complex tasks, such as video editing or gaming while streaming.
In contrast, the Intel Core i5-9400 might be best suited for users who perform everyday tasks such as web browsing, word processing, and light gaming. Its integrated graphics offer convenience for those who do not need a dedicated GPU, making it a suitable option for casual users.
Which should you buy?
In conclusion, the choice between the Intel Core i5-10400F and the Intel Core i5-9400 largely depends on your specific needs and budget. If you prioritise performance and flexibility, the i5-10400F is the clear winner with its higher boost frequency and compatibility with a broader range of motherboards, all at a lower price of C$168.99. However, if you require integrated graphics and plan to engage in light computing tasks, the i5-9400 could be a suitable option despite its higher price of C$209.89. Ultimately, consider your use case and budget to make the best choice for your computing needs.
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