I was wondering if that would be ok... not that I had it that high.... It has no fan. With stock settings it idles at 74C with a 35% overclock (607) and the memory overclocked 223% (864) it idles at 78C and at full 98C. It goes from 78 to 94 in just 7 seconds but then it stops climbing 
gpuz shows this http://www.techpowerup.com/gpuz/w9aru/

gpuz shows this http://www.techpowerup.com/gpuz/w9aru/