So my rig consists of the following: i7-3770k 16gb ram at 2133 980ti 6gb
So, I currently have gta5 completely maxed out, however i get random drops to around 30 in the desert/near ocean that really bum me out. Buy 980ti and only use 3gb of the ram but still somehow dropping.
Anyways, I have fxaa off, msaa at 4x with mfaa forced in the control panel, and then i have txaa on. everything else is as high as it can go (except i turned off high resolution shadows)
So my questions: Should i consider using DSR? If yes, what aliasing with DSR If no, what aliasing settings should i use
Sounds like you're bumping into a storage issue possibly. The game has to stream a lot of data, especially when you're on the move. Try lowering texture and geometric detail, also check your Gpu ram usage, if you're using those settings at a high resolution you may even overrun your 6GB of Vram.
In my experience, the textures don't impact performance much at all. Try turning of all AA and see how that does. If that fixes it, then start turning them back on until you find a nice compromise.