When I am searching for the limitations of Sp-2013,I found the very detailed MS article.
http://technet.microsoft.com/en-us/library/cc262787.aspx#Boundaries
http://simplebyte.wordpress.com/2013/04/26/software-boundaries-and-limits-for-sharepoint-20132010/
Please Comment if you need Any Help or Struck in between. I Am Happy to Help !!!!!