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Captain_Tom said: Why? In a 7970 GHz Toxic review (Card runs at 1200/1600 with 6GB of VRAM) they tried running 3x6GB super cards that are around as strong as a stock 780. Even going into tripple 1440p they couldn't get any game to use over 4GB of RAM. I am not saying VRAM usage will not go up, because it definately will. But 8GB will still be overkill for another 2 years, so 12GB is really just Dick measuring at this point isn't it? |
The issue here is the bus... 384bits give you 3GB, 6GB or 12GB... 8GB is kind weird unless nVidia change the bus to 256bits or 512bits.
And remeber... most games have 3GB VRAM recomended... Battlefield 4 is craching in 1440p on 3GB cards... I can see it using over 5GB for 4k.
Edit -
http://www.youtube.com/watch?v=Jn_Ktpyn3z0
Battlefield 4 @ 4800x2560 4xMSAA = 5.1GB VRAM
Next-gen 
