@kizmiazz7 Please try setting ME1 to only use your dedicated graphics card. Hit Windows key-i, select System > Display > Graphics settings, click the Browse button, and add MassEffect1.exe. Then click Options and choose "High performance." This will tell Windows to use the eGPU even when it could default to the Intel graphics chip.
If that doesn't help, please run a dxdiag and attach it to a post. Hit Windows key-R, enter "dxdiag" without quotes, wait for the scan to finish, click "Save all information," and save the file to your desktop. You can attach it to a reply here.
@puzzlezaddict Thanks for responding. I followed your steps and the issue persists. I already ensured that only my external GPU is being used to drive my primary (gaming) monitor. I have confirmed that only my eGPU is being used that during gaming using the Radeon Adrenalin software.
As I mentioned, the game runs fine with triple digit fps, its just the pre-rendered cutscenes (eg: when the Normandy is flying in space) that stutter and essentially play in slow motion, out of sync with the audio.
Please find my dxdiag attached for your reference.
@kizmiazz7 As it turns out, I have almost exactly the same Mac as you: the only difference is I don't have quite as powerful a CPU. I also don't have an eGPU, but it's still a useful comparison. I'll install the game and take a look myself and get back to you on that tonight.
In the interim, try setting the user DPI to 100%, at least temporarily. It shouldn't matter in theory, but it's worth testing. You can always change it back afterwards.
https://www.tenforums.com/tutorials/5990-change-dpi-scaling-level-displays-windows-10-a.html
Please also set the refresh rate for your ROG monitor to 60 Hz, again at least long enough to test. It's another thing that shouldn't matter but is easy to try.
