Intel Core i9 9900K Unlocked vs Intel Core i5 10400

The Intel Core i9-9900K is a relatively good CPU for people that are willing to spend around $470. The Intel Core i5-10400, by contrast, is quite unremarkable and doesn't stand out in any meaningful way from other products at this price point.

In both cases, however, we recommend that you take look at some other options at the $470 and $210 budget ranges; in all likelihood you'll find some better alternatives.

If you're still interested in learning more about the Intel Core i9-9900K and Intel Core i5-10400, however, we wrote a summary of what we know about them:

The Intel Core i9-9900K was loved by reviewers at PCmag, a highly trusted source that performs reliable in-depth testing. It did great in its "The Best CPUs for Gaming in 2020" roundup where it was named its "Best for Peak Frame Rates, Content Work on 300 Series (Socket LGA 1151)", which, in itself, makes it a product worth considering.

As for the Intel Core i5-10400 analysis - it impressed reviewers at Windows Central, a source that's known for its objective testing and well-thought-out methodology - it performed great in its "Best Processor (CPU) for Your Custom PC in 2021" roundup and earned the "Great For Productivity" title.