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Well, for whats its worth, I returned the 2018 13" MacBook Pro. Connected to my 5k display the fans would constantly be on and it got pretty hot. Returned it and went back to using my 2017 15" MacBook Pro. I did like the keyboard on the new one's though. I feel like Apple tried to cram too many cores into these machines and they generally run really hot, atleast the 13" i7 did in my case.
 
the fans would constantly be on and it got pretty hot
with 2 more cores, it certainly will run hotter. There are ways to help mitigate the temps, but you are working the system harder. I do wonder if its working harder because you have an iGPU as opposed to a dGPU ¯\_(ツ)_/¯
 
I feel like Apple tried to cram too many cores into these machines and they generally run really hot

Yeah - They got hosed by Intel...I think they were banking on a process shrink by now when they set out on this current physical design.
 
Any rumors on when Intel will shrink the chip form? I'd like to get a new MacBook Pro in the near future.
To answer my own question:

https://www.tomshardware.com/news/intel-whiskey-lake-cpu-specifications,37568.html

"Expected to ship in the second half of this year, Intel's upcoming Whiskey Lake-U processors are slated to replace the market's current Kaby Lake-R processors. Whiskey Lake is the third and last 14nm process refinement before the chipmaker starts ushering in its 10nm Cannon Lake chips in 2019."
 
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