The Tech Report published a review on the Maxwells Dynamic Super Resolution explored
A quote from the article:
One of the more intriguing capabilities Nvidia introduced with the GeForce GTX 970 and 980 is a feature called Dynamic Super Resolution, or DSR, for short. Nvidia bills it as a means of getting 4K quality on a 2K display. How good is it? We take a look.Maxwells Dynamic Super Resolution explored @ The Tech Report