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Powercolor 7870 MYST Tahiti. Anyone have it? - Page 4

post #31 of 63
The dimensions of the powercolor XT boards on these matches up with the 7950 reference boards
Might be worth a try and slap a 7950/7970 full waterblock on it
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post #32 of 63
Quote:
Originally Posted by HmoobYaj87 View Post

Alright so alittle googling found the 032 bios from power color and flashed both of my cards. Clocks don't throttle down to 400-500 mhz anymore, still jumping from 925-975mhz tho. Did a valley bench and saw a 2.4 fps increase compared to 031 bios on 975/1500. And it seems the cards runs alittle hotter for me. nvm I forgot to turn up fan speed to 100%. cards runs way cooler. topping out a 70c on top card and 55c on bottom card. With powertune at +20% boost clock sticks thru valley and + 1fps more.biggrin.gif

.031 bios


.032 bios


.032 bios with powertune +20%

Hi

Can you post the link for the 032 bios I have looked and have had no luck finding it !:mad.gif
Edited by invader1964 - 3/8/13 at 3:01pm
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post #33 of 63
Well managed to find a 028 bios version seems version 031 was keeping the GPU clock stuck to 925mhz scores for 3D mark are a lot better

http://www.3dmark.com/3dm11/6141926
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post #34 of 63
Seems like power color made another 7870 tahiti le card.. check em out before they oos.

http://www.newegg.com/Product/Product.aspx?Item=N82E16814131487

ncix has it for $218.29 after $30 rebate.

http://us.ncix.com/products/?sku=80887&vpn=AX7870%202GBD5%2D2DHPPV2E&manufacture=PowerColor
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post #35 of 63
Quote:
Originally Posted by HmoobYaj87 View Post

Seems like power color made another 7870 tahiti le card.. check em out before they oos.

http://www.newegg.com/Product/Product.aspx?Item=N82E16814131487

ncix has it for $218.29 after $30 rebate.

http://us.ncix.com/products/?sku=80887&vpn=AX7870%202GBD5%2D2DHPPV2E&manufacture=PowerColor

Interesting not listed here in the UK and on powercolors website only have these

http://powercolor.com/us/products_layer_2.asp?SeriesID=81&Page=1

Looks as if the just changed the heatsink ?
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post #36 of 63
Quote:
Originally Posted by invader1964 View Post

Interesting not listed here in the UK and on powercolors website only have these

http://powercolor.com/us/products_layer_2.asp?SeriesID=81&Page=1

Looks as if the just changed the heatsink ?
http://powercolor.com/us/products_features.asp?id=430 This one.
The one he linked probably has a better cooler and it's a GHz edition but has the same clocks .... Don't bother with the GHz edition if you have the intent to OC it
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post #37 of 63
Quote:
Originally Posted by DaveLT View Post

http://powercolor.com/us/products_features.asp?id=430 This one.
The one he linked probably has a better cooler and it's a GHz edition but has the same clocks .... Don't bother with the GHz edition if you have the intent to OC it

are you worried that this might be votlage locked? cause all the tahiti le 7870's seems to be be voltage locked already and it's still pushing 1200/1675 at 1.256v. I could probably push more with better cooling. This is the same card, same cooler, just different cover. Has the same specs as the Myst edition with just the naming scheme of GHZ Ed.
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post #38 of 63
Quote:
Originally Posted by HmoobYaj87 View Post

are you worried that this might be votlage locked? cause all the tahiti le 7870's seems to be be voltage locked already and it's still pushing 1200/1675 at 1.256v. I could probably push more with better cooling. This is the same card, same cooler, just different cover. Has the same specs as the Myst edition with just the naming scheme of GHZ Ed.
No idea about them being voltage locked. But yes i just checked the 7870 PCS+ Myst is voltage-locked ... And that was the cheapest Tahiti LE card here on the other side of the world ... (Cheaper by how much? 50$)
For you guys the 7870 XT is cheaper by 10 bucks and probably isn't voltage locked. I think
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post #39 of 63
I just bought this card yesterday from Newegg..not much info on it yet. I want to Crossfire it with my 7870 LE Myst. I'll let everyone know the specifics once it arrives.
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post #40 of 63
I have the VTX3D 7870 Black (Tahiti LE), I have tried using Sapphire Trixx to change voltage but nothing happens. Does this mean it is voltage locked? I am able to adjust the "VDDC" slider but after hitting apply the voltage remains the same in GPU-Z
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