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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 1857

post #18561 of 38701
I've found that disabling the ULPS in MSI Afterburner keeps my clocks to where they should be, in relation to playing a game or on the net. thumb.gif
post #18562 of 38701
Quote:
Originally Posted by SkateZilla View Post

My 7950 @ 1207MHz Matched 3d mark Scores of a 7970 running 1200Mhz.
So either I have a really good model, or they have a defective one, or the 7950 simply is more efficient at higher clocks.
Chipset, CPU and Ram are pretty much the same spec (1600@18xx, FX8 Core at 4Ghz, 990FX.)
Yeah I turn motion Blur OFF, and may drop bezel correction off too to save 288x1080px=311040 total pixels from having to be drawn, which arent even visible unless you take a screenshot, so it's wasting power.
plus, sometimes I lose track of things that go behind the bezel.

You show me yours and I'll show you mine.
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post #18563 of 38701
Just got my 7950 back from RMA, had great fun overclocking it. Just one thing tho, my card couldn't go over 1250 no matter how much voltage I feed it. The temperatures are alright, 65 core and 85 VRM. I ended up using 1.156v for 1225 core. Is anyone else experiencing similar overclocking results or am I just hitting the wall extremely early?
post #18564 of 38701
Quote:
Originally Posted by billgates8889 View Post

Just got my 7950 back from RMA, had great fun overclocking it. Just one thing tho, my card couldn't go over 1250 no matter how much voltage I feed it. The temperatures are alright, 65 core and 85 VRM. I ended up using 1.156v for 1225 core. Is anyone else experiencing similar overclocking results or am I just hitting the wall extremely early?

Nice overclock -- similar to my card: thumb.gif

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post #18565 of 38701
Quote:
Originally Posted by billgates8889 View Post

Just got my 7950 back from RMA, had great fun overclocking it. Just one thing tho, my card couldn't go over 1250 no matter how much voltage I feed it. The temperatures are alright, 65 core and 85 VRM. I ended up using 1.156v for 1225 core. Is anyone else experiencing similar overclocking results or am I just hitting the wall extremely early?


Good chance that if you water cool it it will go faster. My HD7950 is water cooled and I can run it 1300mhz with 1.225v.
Edited by SonDa5 - 12/8/12 at 3:38am
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post #18566 of 38701
Just got my 7970 GHz Edition yesterday! It's a fantastic upgrade from the crossfire 6850 setup I had before.
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post #18567 of 38701


Almost forgot, put me in the club!
post #18568 of 38701
wave2.gif

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post #18569 of 38701
Quote:
Originally Posted by billgates8889 View Post

Just got my 7950 back from RMA, had great fun overclocking it. Just one thing tho, my card couldn't go over 1250 no matter how much voltage I feed it. The temperatures are alright, 65 core and 85 VRM. I ended up using 1.156v for 1225 core. Is anyone else experiencing similar overclocking results or am I just hitting the wall extremely early?

1225 Mhz at 1.156v is an amazing overclock at a very low voltage. most users need 1.2 - 1.25v to get to those speeds. but to confirm if its stable at that voltage run a variety of tests. Heaven 3.0, 3D Mark 11, BF3, Crysis 2. the sweet spot for Tahiti in terms of power, temps,noise and performance is 1200 Mhz. in fact you can bump the voltage to 1.175v to make sure your are completely stable at 1225 Mhz in all games.
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post #18570 of 38701
Registered with my msi twin frozr iii 7950 thumb.gif upgraded from a xfx 6870 big difference. Have it at 1100/1400 asic of 86.8
Edited by chann3l - 12/8/12 at 11:36am
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