It's confirmed the GeForce GTX 760 really is on AMD's crosshair's with the Radeon R9 285. Based on the 28 nm "Tonga" silicon, which is designed to offer "Tahiti" like performance at the energy-efficiency levels comparable to NVIDIA's GK104, the R9 285 features 1,792 Graphics CoreNext stream processors, 112 TMUs, 32 ROPs, and 256-bit wide GDDR5 memory interface, holding 2 GB or 4 GB of memory. The card will feature clock speeds of 918 MHz core, 5.50 GHz memory. AMD claims the R9 285 will be up to 15 percent faster than the GeForce GTX 760. It will start at US $249, with partners coming out with custom-designs on day-one (September 2nd, 2014).