techPowerUp: How time flies. The last time we had a bleeding-edge graphics card from NVIDIA to try by fire, was exactly a year ago, with the launch of GeForce GTX 590. Quite a bit changed since then. Rival AMD is just about done with the launch of its Radeon HD 7000 series "Southern Islands" GPU family, and NVIDIA's answer to that felt wanted, for the past 3 months or so. Well, it’s finally here – our GeForce GTX 680 Kepler review.