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[Official] 7870 Tahiti LE (XT) Owners Club - Page 496

post #4951 of 5223
Bought myself a second-hand Powercolor Radeon HD 7870 myst. edition. I'm currently running 1100/1500 at the temps of 80c core and 74 VRM on Furmark GPU Stressing tool. The only thing I worry about is the GPU Core Clock dropping and jumping up. It keeps going down to 500 mhz and then it jumps back up to 1000mhz and it's all the time. I'm pretty sure it affects the perfomance, right? I had issues with the card being utilized in games. 60% GPU load when playing games, but I fixed it by either turning off ULPS or changing Afterburner to unofficialoverclocking without powerplay support. It's steady 90-100 now, sometimes dropping but not very often. Why does the core speed drop and jump randomly?

/nvm ***, something happened and my core clock is sitting steady at 1100 and I cant lower it even though it says 975 on Afterburner Temps ar ehigh as ****
Edited by kekate - 5/19/15 at 5:51am
post #4952 of 5223
Quote:
Originally Posted by kekate View Post

Bought myself a second-hand Powercolor Radeon HD 7870 myst. edition. I'm currently running 1100/1500 at the temps of 80c core and 74 VRM on Furmark GPU Stressing tool. The only thing I worry about is the GPU Core Clock dropping and jumping up. It keeps going down to 500 mhz and then it jumps back up to 1000mhz and it's all the time. I'm pretty sure it affects the perfomance, right? I had issues with the card being utilized in games. 60% GPU load when playing games, but I fixed it by either turning off ULPS or changing Afterburner to unofficialoverclocking without powerplay support. It's steady 90-100 now, sometimes dropping but not very often. Why does the core speed drop and jump randomly?

/nvm ***, something happened and my core clock is sitting steady at 1100 and I cant lower it even though it says 975 on Afterburner Temps ar ehigh as ****

you should never run the furmark stress test. its not even accurate as to actually stressing the card.

these cards have a ridiculously high stock voltage of 1.256. often times just lowering the vcore down to the actual stock volts of 1.15 to 1.18 will cut the temps by 20c
 
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post #4953 of 5223
Quote:
Originally Posted by aaronsta1 View Post

you should never run the furmark stress test. its not even accurate as to actually stressing the card.

these cards have a ridiculously high stock voltage of 1.256. often times just lowering the vcore down to the actual stock volts of 1.15 to 1.18 will cut the temps by 20c
1st time OCing a GPU. Did I **** up? http://i.gyazo.com/c567b44ecae961f43653b3d38e1b6fb4.png

it's stuck at 1100/1500. ULPS disabled, Unofficial disabled from Afterburner and Afterburner config file.
post #4954 of 5223
Quote:
Originally Posted by kekate View Post

1st time OCing a GPU. Did I **** up? http://i.gyazo.com/c567b44ecae961f43653b3d38e1b6fb4.png

it's stuck at 1100/1500. ULPS disabled, Unofficial disabled from Afterburner and Afterburner config file.

i dont use afterburner so i cant tell you.

you can hit the reset button and it should bring the clocks back to default.
you may have to reboot.
 
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post #4955 of 5223
Quote:
Originally Posted by aaronsta1 View Post

i dont use afterburner so i cant tell you.

you can hit the reset button and it should bring the clocks back to default.
you may have to reboot.
It brings me to the clock I'm stuck at which is 1100/1500
post #4956 of 5223
Quote:
Originally Posted by kekate View Post

It brings me to the clock I'm stuck at which is 1100/1500

1100/1500 isnt a bad clock.. its what i run mine at.

wait you mean it wont idle down to the 300 anymore?

that might be an option you have turned on in afterburner?
 
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post #4957 of 5223
Quote:
Originally Posted by aaronsta1 View Post

1100/1500 isnt a bad clock.. its what i run mine at.
I noticed the FPS increase, but the temps go really really high. 67 at idle and when I run furmark or something else, vrm goes up to 90

btw got the stock settings back, I forgot to untick one option. God damn I was already panicking
post #4958 of 5223
Quote:
Originally Posted by kekate View Post

I noticed the FPS increase, but the temps go really really high. 67 at idle and when I run furmark or something else, vrm goes up to 90

btw got the stock settings back, I forgot to untick one option. God damn I was already panicking

like i said, dont run furmark.. actually uninstall it..

to get a good look at temps use a program like unigine or play a game like bf4..
 
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post #4959 of 5223
Quote:
Originally Posted by aaronsta1 View Post

like i said, dont run furmark.. actually uninstall it..

to get a good look at temps use a program like unigine or play a game like bf4..
are the temps getting too high to consider them real in an usual gaming situation on Furmark? The only problem I have now is the dropping of core speed. How can I keep the core speed steady at 1100 mhz while under load? Once it drops to 500, the FPS also drops.
post #4960 of 5223
Quote:
Originally Posted by kekate View Post

are the temps getting too high to consider them real in an usual gaming situation on Furmark? The only problem I have now is the dropping of core speed. How can I keep the core speed steady at 1100 mhz while under load? Once it drops to 500, the FPS also drops.

the reason its dropping is because furmark is overloading your vrms.
i doubt its dropping while you are playing games.
 
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