yes, more vram is noticeable to be sure. agree, moving from 4 to 8 gb would be a big change for dcs......i had two 980 4gb cards and also went to a single card since sli does'nt work proper.....have a single titan-x 12gb (was able to make a good trade:D)........big difference in fps at 1440p.........probably move to the 1080 or some variant of it in the future