if gpu become hot affect performance.does it mean gigabyte hd7790 2gb ddr5 with dual fan better than r7260x 2gb ddr5 even with dual hd7790 1gb ddr5 is better than r7260x 2gb? The actual fps when i check only 1-2 fps and 100mhz diffrent between that two card.so which one is better gigabyte hd7790 2gb ddr5 with dual fan or r7260x 2gb ddr5 with single fan?yes, i know those 2 will bottlenect my core 2 duo e7400.but i confuse choosing cooler or hoter.my PSU APPLE GREEN EXTREME 500watt. i will appreciate who help me.