Poor performance on older generation Macbook Pro?

HI there,

I have a 2.9 i7, with 16gb of ram mid 2015 Macbook Pro. I'm running the 5K display at a scaled resolution and I'm battling with CPU usage problems.

Does the display require a lot of CPU power to run on an older generation system? I'm guessing because it's pushing the video card so hard, it's affecting performance of my CPU too?

Just curious how that works. I already ordered a new MB Pro to hopefully dissolve this issue.

LG UltraFine 5K Display

LG UltraFine 5K Display

Product No Longer Available

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