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How Intel Coffee Lake Turbo Works For The 8700K And 8600K

Intel Coffee Lake turbo depends on the number of cores so do not let the marketing confuse you. It is possible that Intel markets 4.7 GHz boost clock but that is only on a single core. The rule of thumb is that the clock speed will decline with the increase of core count and you should keep that in mind.

It should also be noted that the entry-level core i3 CPUs are locked at certain frequencies. The 8700K can reach a max frequency of 4.7 GHz. The 8700 can reach 4.6 GHz. The 8600K has a max frequency of 4.3 GHz and the 8400 can reach 4 GHz. The 8350K is locked at 4 GHz and the 8100 is locked at 3.6.

The boost frequency relative to the number of cores can be a bit confusing but the table below will make things simple for you. Here is what you need to know about the Intel Coffee Lake boost frequencies.

Intel Coffee Lake Turbo Boost
SKU 8700K 8700 8600K 8400 8350K 8100
Specifications 6C/6T 6C/6T 6C/6T 6C/6T 4C/4T 4C/4T
Boost 1C: 4.7GHz
2C: 4.6GHz
3C: 4.5GHz
4-5C: 4.4GHz
6C: 4.3GHz
1C: 4.6GHz
2C: 4.5GHz
3C: 4.4GHz
4-6C: 4.3GHz
1C: 4.3GHz
2-4C: 4.2GHz
5-6C: 4.1GHz
1C: 4.0GHz
2-4C: 3.9GHz
5-6C: 3.8GHz
4GHz Locked 3.6GHz Locked

So the 8700K can reach 4.7 GHz but that frequency is only on a single core. Not all cores will be running at 4.7 GHz. 2 cores can run at 4.6 GHz and 3 cores can run at 4.5 GHz. All 6 cores can boost to 4.3 GHz. If you are looking to run all cores at a higher frequency then you will need to overclock and you should have a decent cooling solution.

Talking about decent cooling the 8700K can be overclocked to more than 7 GHz using liquid Nitrogen cooling. These new CPUs are great for overclocking and numerous testers have reported that these CPUs can be overclocked to 5.1 GHz. You can check out more information here.

Let us know what you think about the new Intel Coffee Lake CPUs and whether or not you are interested in buying one.