I have an older graphics. It is a GTX 770 with 2gb vram. I just upgraded everything else this week and it is far above specs on all other components. I even have 64 GB system RAM. Before the expansion, with much older components and 8GB system ram, I could play at 4k on my 55 inch TV and it was OK. Nothing great but the settings could be turned up toward the high side.
The settings that matters the most with my card, out of all the settings, is superscaling. You can read about that online but if I understand it correctly, it involves changing the size of the frame somewhere in the graphics pipeline before doing some of the graphics work. This should change the results of the final frame positively if you can superscale larger than 1x. Playing at 4k with 1x superscaling involves the graphical work to be done on a 4k frame. If it is set at 2x superscaling the frame is 4x the size (I think. Because it doubles the width and height). If it set at .5 superscaling the frame is 4x smaller because the frame is half the height and width.
Before the expansion, I could play at 4k but it was a bit sluggish at 1x superscaling so I turned it down to .75. After the expansion it is much much more sluggish than it was before. I had to drop my resolution down to 1080p and set superscaling to 1x to get it snappy enough.
My card is pretty though. I can make it playable but I won't really enjoy it until I can get it upgraded. I hope if my understanding of how much the size of the frame changes during superscaling is wrong, someone will correct me.
EDIT
I don't know if it is a VRAM problem. Maybe there are more things in the memory than before and it has to swap too much. I witness a very slow load in time for the textures to fully load and make the model look complete. I can literally watch the SRV on the title screen get better looking over many seconds as it loads in, what appears to be, every level of distance detail mapping from furthest to closest.
The settings that matters the most with my card, out of all the settings, is superscaling. You can read about that online but if I understand it correctly, it involves changing the size of the frame somewhere in the graphics pipeline before doing some of the graphics work. This should change the results of the final frame positively if you can superscale larger than 1x. Playing at 4k with 1x superscaling involves the graphical work to be done on a 4k frame. If it is set at 2x superscaling the frame is 4x the size (I think. Because it doubles the width and height). If it set at .5 superscaling the frame is 4x smaller because the frame is half the height and width.
Before the expansion, I could play at 4k but it was a bit sluggish at 1x superscaling so I turned it down to .75. After the expansion it is much much more sluggish than it was before. I had to drop my resolution down to 1080p and set superscaling to 1x to get it snappy enough.
My card is pretty though. I can make it playable but I won't really enjoy it until I can get it upgraded. I hope if my understanding of how much the size of the frame changes during superscaling is wrong, someone will correct me.
EDIT
I don't know if it is a VRAM problem. Maybe there are more things in the memory than before and it has to swap too much. I witness a very slow load in time for the textures to fully load and make the model look complete. I can literally watch the SRV on the title screen get better looking over many seconds as it loads in, what appears to be, every level of distance detail mapping from furthest to closest.
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