Sparkle's Dual Fan series, which includes the Sparkle GTX 660 OC Dual Fan, GTX 650Ti Super OC(SOC) Dual Fan and GTX 650Ti OC Dual Fan, comes equipped with 4-pins PWM dual fan design, and features default overclocked settings with core speeds of up to 1006MHz.

NVIDIA is rumored to be launching its GeForce GTX 650 Ti next month in October. Its specifications have also been leaked; read on to discover how it stacks up against the GeForce GTX 660 and 650 GPUs.