MSI 7850 1gb temperature

May 8, 2018
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So i got msi hd7850 and now im worried about the temp
Yesterday i tested and in 5 min furmark test it goes up to 73C and 63C on the 3dmark test, but i tested today and it goes up to 79C in furmark.. is that okay?
also today i got terrible perfomance from this card, i had 220-180 fps in csgo and now i have 60-100fps
help me pls