Can the leap to next-gen graphics be this drastic? [PICS]

Image 2

Okay, we don't have any hair here, but it doesn't take that to figure out that the image above is way better than the one below. The character model is a lot sharper in the image above, and so are the textures. Attention to detail is remarkable in the upper image, while the second one clearly lacks many details. Source: http://www.zbrushcentral.com/showthread.php?166229&p=930271&viewfull=1#post930271