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Intel Core i9-9900K
Intel Core i5-9400
See Top Ranked CPUs

Intel Core i9 9900K Unlocked vs Intel Core i5 9400

Analysis:

The Intel Core i9-9900K makes for a good, if unremarkable, CPU for people with a $480 budget.

The Intel Core i5-9400, however, is merely mediocre at its $169 asking price, when compared to similarly priced products, and won't satisfy the needs of most people.

In either case, we suggest that you first take a look at some other options at the $480 and $210 price points before committing to one of these - it's likely that you'll be able to find some better alternatives.

If you're still interested in learning more about the Intel Core i9-9900K and Intel Core i5-9400, however, we wrote a summary of what we could find 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 i5-9400 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 Intel CPUs in 2020" roundup and earned the "Best Value" title.

Comparison of expert ratings
Highly Recommended
Recommended
Mentioned
Not Mentioned
Tom's Hardware
PCmag
kitguru.net
Windows Central
TrustedReviews
TechSpot
PCGamesN
Techradar
Gadget Review
Tech. Specs Comparison
Intel Core i9-9900K
$373
Intel Core i5-9400
$169
Hyperthreading
Yes
No
Integrated GPU
Yes
Yes
Number of Cores
8
6
Number of Threads
16
6
Processor Speed
3.6 (GHz)
2.9 (GHz)
Unlocked CPU
Yes
No
Great expert review scores
Has no expert reviews
No Data
Recommended by trusted experts
PCmag
Highly Trusted Source
Depth of
analysis
Yes
In-house
Testing
Best for Peak Frame Rates, Content Work on 300 Series (Socket LGA 1151)
in “The Best CPUs for Gaming in 2020” 
Last updated: 2 Jul 2020
TrustedReviews
Trusted Source
Depth of
analysis
Yes
In-house
Testing
Best Overall
in “Best Gaming CPU: The best Intel and AMD gaming processors” 
Last updated: 17 Dec 2020
Windows Central
Trusted Source
Depth of
analysis
Yes
In-house
Testing
High-end pick
in “Best CPU for Playing Anthem on PC in 2021” 
Last updated: 2 Dec 2020
Gadget Review
Depth of
analysis
Yes
In-house
Testing
Best Intel
in “Best Gaming Computer Processor_” 
Windows Central
Trusted Source
Depth of
analysis
Yes
In-house
Testing
Best Intel
in “Best Processor (CPU) for Your Custom PC in 2021” 
Last updated: 1 Dec 2020
Recommended by trusted experts
Windows Central
Trusted Source
Depth of
analysis
Yes
In-house
Testing
Best Value
in “Best Intel CPUs in 2020” 
Last updated: 2 Jul 2020

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