This is a little demonstration i have put together to show just how much performance you can achieve from going from stock. to a moderate overclock and to an extreme overclock on the AMD R9 290.every body want's the best graphics card money can buy but we have to accept we can only have what we can afford. More performance cost more money, but overclocking can save you money if done correctly. check out this video to see the difference in perofrmance on the R9 290 at three different clock speeds. Full system specs Intel i5 3570K overclocked to 4.7Ghz Asrock Extreme 4 z77 AMD XFX R9 290 Reference with EK WaterBlock overclocked to 1200Mhz core and 1600Mhz memory 8GB of Corsair Dominator 1600Mhz DDR3 OCZ Agility 3 120GB SSD + 2TB Seagate Barracuda Storage Cooler Master Cosmos S Case Corsair AX 860 PSU XSPC 750 Ray storm 360 Watercooling kit + extra 240MM Radiator