GPU intensity *is* connected to the number of objects that have to be rendered and therefore the viewing field and distance. As such, any recent first- or third- person game is likely to be more demanding that one employing a top-down perspective.
I think we're splitting hairs over the definition of fidelity. Rendering a rock can be more taxing then rendering a mountain depending on the detail in each. Point being that how good it looks isn't directly related to how much power it will take to render.
Waiting for D:OS updates is another option. The current build still has debugging code (look at the logs it generates in the game folder) which future updates may remove. Also performance optimisation is usually the last step in game development so D:OS may well show significant improvements in later versions.
I'm fairly certain most debugging code is run on the CPU, and OPs CPU is alright, likely not reaching high usage. I play in 1440 with everything maxed and my CPU usage doesn't go above 30%, so I doubt any debug code is causing excessive strain. Of course waiting is always up to the individual, I am just pointing out that Divinity as a game does not have 'serious performance issues'.
Checking GPU utilisation and GPU memory usage using a utility like
MSI Afterburner may be worth doing though - using more video memory than the GPU has (1GB for a
"standard" 560 GTX Ti) will result in serious performance drops. In that case, lowering graphics settings (texture quality particularly) would be worth doing.
He already said he's running on minimum. I'm getting 1.2 GB GPU mem usage, unlikely that OP is getting more than 1GB on minimum at his res. My only point to him was that his old card is the source of his low FPS, not the game, and how a game looks isn't an always an indicator of expected performance.
