turning on my cgi miner for 1 minute and the card get's heated up to 80C instantly. And it's only running on 550khash?

sapphire version, no overclock, 450w psu and good running fans.

-gpu-platform 0 -d 0 -w 256 -v 1 -I 13 -g 2 -l 1 -T  --thread-concurrency 11264