i7-8750H or 8850H for Lenovo X1 Extreme?

modeonoff

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Jul 16, 2017
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Hello, I am going to buy an Extreme. The 8750H version comes with FHD screen while the 8850H version comes with 4K touch screen. Does 8850H performs noticeably faster than the 8750H? How about battery life and heat/noisy fan/thermal throttling between the two CPUs?
 
Solution
I would not get 4K in a laptop screen, the display is too small for such a high resolution. For the CPU speed difference, there won't be any that you would notice.

rgd1101

Don't
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MERGED QUESTION
Question from modeonoff : "Which CPU for Lenovo X1 Extreme if I don’t want noisy fan and other thermal issues?"