i7 7700HQ or i5 8400/8600K for laptop

Apr 22, 2018
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Next month or so I will have enough money for a new (gaming) laptop, as my current one is really out of date.
Figured almost everything out. 16GB RAM, GTX 1070(M) for graphics and no need to buy a large SSD as I already have one.

Main issue is the CPU. I could go with an i7 7700HQ, which is pretty much the standard laptop cpu.
Or go 8th gen with an i5 8400 or 8600k, which of course would be a desktop cpu and come with a desktop GTX 1070.

All options are affordable but ranging from "I can easily buy this" with the 7700HQ to "Only if it's worth the money" with 8600k. So the big question is, is it worth to pay the higher price?
 
Solution
The 7700HQ has pretty low clock rates. Add to that fewer physical core. In CPU intensive games there will be a huge performance difference. Even in games which aren't heavily multi-threaded. There is considerable differences in single to quad core turbo boost speeds.
The 7700HQ has pretty low clock rates. Add to that fewer physical core. In CPU intensive games there will be a huge performance difference. Even in games which aren't heavily multi-threaded. There is considerable differences in single to quad core turbo boost speeds.
 
Solution
Apr 22, 2018
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0
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That is to be expected. The real question is, are the i5s better enough to warrant paying more? And if so, go all the way with the 8600K or would it just be excessive?
 
Worth it is subjective. No one could definitively answer that for you. If you have a lot of disposable income and are a bit more obsessed with gaming than the average person. I could see it being worthwhile.

You can do a quick Youtube search on a few major games. Then see what FPS people are getting with a 7700HQ and GTX 1070, i5-8400 and GTX 1070, &c. You'll probably find videos benchmarking Battlefield 1, PUBG, GTA V and others.

Looking at Origin PC prices. There isn't much price difference between the 8400 and 8600K. The 8600K has a significant default clock and turbo boost advantage in their laptops. I'd take the 8600K over the 8400.
 
The main problem I see in the laptop is that, although its nominal specifications are good, many times the cooling system is not good and, in practice, results are much lower than the theoretical ones.

For a GTX 1070, I5-8400 o I5-8500 is enough.