Ocaholic posted GeForce GTX Titan vs. GTX 780 Ti
A quote from the article:
A gamer simply can't get enough graphics power in their rig, which makes the upgrade question omnipresent. To show you whether it makes sense to upgrade from one generation to another we created this series of articles, where we will compare graphics cards from different generations. Today we're having a close look at the differences between the GeForce GTX Titan and the GeForce GTX 780 Ti.GeForce GTX Titan vs. GTX 780 Ti @ ocaholic