How you worded it. You were suggesting his card might be running out of power for the higher resolution (GPU-bound) or his GPU is waiting for the CPU to catch up? (CPU-bound) Because the 2nd situation doesn't happen with higher resolutions. (Which I think you know, but I'm confused.)
I didn't think it was purely his card simply giving up at the 1080p threshold. So, I suggested maybe at that point he's CPU bound. I was guessing, having no clue what his CPU is. I should have worded it as such: Does your card run out of steam, or is that the point when your CPU runs out of steam?
BeamNG doesn't require a good video card. It is very CPU heavy. I have a 670 PE OC. I generally get 60-70 fps with a single car, and that's not because of the video card. You'll find you may have a great card, but your FPS caps out. This is called CPU bound. When your card is more then fast enough, but the CPU is the thing holding back the FPS
well, considering you can play gta iv at 1440P on the 760 and it will run it with no problem, i would say that yes, there is something wrong on his end
Sorry for the late reply, I have an i7 2600k at 4.1 GHz, and I'm confused as to how having resolution related issues could ever be caused by an inadequate CPU, as by the point the final image is being rendered (and the final resolution applied) you aren't even involving the CPU any more, unless it's an APU or iGPU, not sure how homogeneous system RAM works exactly. The problem here is the card can still pump a decent amount frames at the higher resolutions, but it chews through its 2GB of VRAM very quickly at the higher resolutions in more demanding games. From my understanding the 4GB variant does much better at maintaining high settings at 1440p in nearly all games and even some less intensive 4k gaming.