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What resolutions and settings is that. Also what software did you record it with?
Isn't the 280X basically a 7970 with higher clockspeed/minor adjustments? Looking it up it's essentially the gigahertz edition. Bloody impressive for a 5 year old GPU, and speaks volumes about the optimisation work DICE put in for such a good looking game.
To be fair the GTX680 copes quite well with BF1, my brother still using the one I sold him for it. He uses the memory usage limiter to avoid going over 2GB, is 3GB enough for 1080P in this game? I'm not trying to start another RAM argument here, just curious.