- Feb 17, 2014
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Okay, I'm going to try to include as much information as possible as neatly as possible. I'm thinking of upgrading to a GTX 970 (4GB FTW ACX 2.0+) because of this issue but do not want to spend ~$350 if it won't fix anything...
What have I tried?
The problem is, because I'm a niche (Hackintosh) inside a niche (Pro Tools/audio editing) inside a niche (4K + 1080p dual monitors), there is nobody really having the same problem or at least they aren't asking about it.
If I have to buy a GTX 970 just to run my monitor setup, I'm fine with that, but I want to make sure it is absolutely going to fix this problem.
-- I'm running a Hackintosh. OS X 10.10.1 Yosemite.
-- I have an EVGA GTX 760 4GB SC. The rest of my specs are in the bottom right of my signature.
-- I had two 1080p monitors, 60Hz each, and OS X as well as all of my software ran fine without lag or anything.
-- I recently replaced one of those monitors to a 4K monitor. DVI & HDMI would only go up to 30Hz, but DisplayPort worked at 60Hz so I stuck with that.
-- So now I have a 4K 60Hz monitor hooked up via DisplayPort as well as a 1080p 60Hz monitor hooked up via DVI.
-- 4K on a 28" monitor is impossible to use since I can't read any text, so I settled for 3008 x 1692. This wasn't a random 16:9 resolution I calculated, it was an option in OS X's display settings and happened to be a perfect middle ground.
-- When looking at the monitor's menu (the one physically accessed via the monitor's buttons), it says it's actually in 4K. So it seems that OS X is actually just zooming everything to look like 3008 x 1692 but is actually pushing out 4K. Retina and stuff.
-- THE MAIN PROBLEM: Ever since I installed this new monitor, my audio editing software, Pro Tools 12, is lightly lagging when scrolling, zooming, highlighting, and trimming. The play marker is also lagging a little bit but nothing too extreme. Most importantly/most noticeable, it is heavily lagging when moving any faders/knobs while the song is playing. As far as I could tell, if the song is not playing, the faders/knobs work fine. This makes me wonder if the real-time decibel meters are the reason and are eating up a lot of GPU power or something. Just a guess.
-- Logic Pro X, a different audio editing software, works perfectly fine as far as I could tell from a minute of trying to recreate the same issues I have in Pro Tools.
-- Everything else runs smoothly, except for when I push the key, usually associated with F3, that brings up each of my currently opened programs/windows as well as showing me all of my Spaces. It's probably called the Spaces key. Anyways, it stutters when I do it, but it used to be smooth.
What have I tried?
-- Downloading NVIDIA Web Drivers (basically considered their OS X drivers) and using them instead of the default Apple drivers, which, by the way, always worked fine on my dual 1080p setup, even for video games (Bioshock Infinite). Didn't help.
-- Wondering if maybe I could just get an additional 760 for SLI, I tried unplugging my 1080p monitor and running only my 4K monitor. Didn't help.
-- I looked into the NVIDIA CUDA Drivers, but I couldn't find anything online about Pro Tools using CUDA, and installing any drivers on a Hackintosh is always a risk that I don't take unless I absolutely have to.
The problem is, because I'm a niche (Hackintosh) inside a niche (Pro Tools/audio editing) inside a niche (4K + 1080p dual monitors), there is nobody really having the same problem or at least they aren't asking about it.
If I have to buy a GTX 970 just to run my monitor setup, I'm fine with that, but I want to make sure it is absolutely going to fix this problem.
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