GPU overheating to 80-90 C when playing

Solution
Many things can cause extra heat.

Things to check

Make sure the fans are turning.
Ambient temperature. If you are in a hot area things run hotter. I am guessing India maybe?
Too much dust. Clean out the dust with compressed gas(air duster)
Poor case air flow. Try with the side panel off.

Your power supply is also pretty minimal for your system(but still should have enough). This can be made worse by higher temperatures.

You may be able to set a faster fan profile to keep the card more cool. I ran a 5870 in the 80's for years :)
80-90 is kinda hot but perfectly safe for that card.
The cause could be bad case airflow or a high ambient temperature. Maybe consider getting an extra fan for your case if there's room for it.
 
Many things can cause extra heat.

Things to check

Make sure the fans are turning.
Ambient temperature. If you are in a hot area things run hotter. I am guessing India maybe?
Too much dust. Clean out the dust with compressed gas(air duster)
Poor case air flow. Try with the side panel off.

Your power supply is also pretty minimal for your system(but still should have enough). This can be made worse by higher temperatures.

You may be able to set a faster fan profile to keep the card more cool. I ran a 5870 in the 80's for years :)
 
Solution




Are you sure that my GPU won't stop working after 1 year???it will be perfectly safe for at least 3-4 years