Core/Memory 1085 (Boost Clock: 1163) (OC mode) 1059 (Boost Clock: 1137) (Gaming mode) 1020 (Boost Clock: 1085) (Silent mode) 2048MB GDDR5 5400MHz Memory Video Output Function Dual-link DVI-D x 1 D-Sub x 1 HDMI x 1 (version 1.2)