MacBook Pro & eGPU for iRacing?

Jiiim

1RPM
Nov 21, 2019
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Hi folks,

I have a 2016 15" MacBook Pro (2.7 GHz i7, 16GB RAM) and I'd like to start iRacing.


I'll probably start with a single monitor and work my way up to triples. I have the LG UltraFine 5k 27" and 4k 24" available, although I could buy another 144 Hz one if need be.

Would this be workable with an eGPU? If so, what graphics card should I be looking at? Vega 64? 5700 XT?

It's all very new, and quite a minefield!
 

Miguel Batista

500RPM
Premium
Jun 2, 2011
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From team red a 5700 or 5700xt. The others are not worth considering unless they are like super cheap.
 

BrunoB

1000RPM
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Oct 10, 2011
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iRacing has a very low impact on puter resources.
2 years ago I was running iRacing on a i7-920 + HD7950.
No problems - hehe at least conserning computer resources.:)
 
Jan 29, 2018
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It is 'low impact' relatively but it will still give your single core threads a workout at least ...

Ultimately I wouldn't recommend a laptop for any sustained (read: heat) activity like gaming or rendering , better to save up for the desktop IMO. It is possible though.
 

BrunoB

1000RPM
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Oct 10, 2011
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To qualify my answer a bit more then its implied that you can forget everything about using some integrated "g-card" like a eGPU.
That was the reason I refered to my old but rather capable HD7950.
 

dud

500RPM
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Nov 23, 2016
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It also doesn't play well with the CPU's turbo mode.

Laptop CPUs typically have a very high turbo when using a single core, but drop dramatically with more threads (not even counting turbo restrictions from heat). A comparable desktop CPU holds on to a higher turbo with more cores. And you can cool it better.

This aspect obviously depends on the game. If a game is mostly single-threaded anyway then a modern laptop can do well. Massive parallel processing is still better in the hands of a typical higher end desktop CPU.