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[Official] 7870 Tahiti LE (XT) Owners Club - Page 18

post #171 of 5223


Also found here: http://www.techpowerup.com/gpuz/5qrxh/

What is amazing is that this is at voltage 1212 and runs only at 73 degrees in Heaven 4.0. I had to give up on Afterburner as it would not even run a clock of 1100 which my 7850 did easily. I used Trixx which I found to be much more stable. In this case, and under my conditions - MOBO, ram, amd cpu, and stuff Trixx just worked wonders.

It's late and I'm failing fast. What a fantastic Myst card I got. The bios is 28 according to the data reported by Trixx but I cannot be sure.

See ya tomorrow.
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post #172 of 5223
Quote:
Originally Posted by oats2012 View Post

sorry i tried lol

Thanks alot. smile.gif


If somebody has a good newegg Mail in rebate for this month for the MYST please share.
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post #173 of 5223
Quote:
Originally Posted by SonDa5 View Post

Thanks alot. smile.gif


If somebody has a good newegg Mail in rebate for this month for the MYST please share.

You must have missed my post #170. The promo code is PWCHD7870
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post #174 of 5223
Quote:
Originally Posted by Bluesman View Post

You must have missed my post #170. The promo code is PWCHD7870

I'm looking for the "hidden" Mail in rebate. I know about the promo code. Thank you.
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post #175 of 5223
Quote:
Originally Posted by goldbranch View Post

The whine coil only kicks in at over 80C/80% fan speed. I already contacted Newegg for RMA but they need a confirmation from Powercolor that the cards are defective, otherwise I'll get charged with restocking fee. I had two reference EVGA GTX 670 FTW sandwiched before and the temps never got above 75C while gaming. May think of switching back to the green side again. mad.gif


Hope that works out for you.


I just got my Myst but I'm hesitant to cut the sealed plastic to test it out. I don't want to be charged a restocking fee if the card doesn't perform to my expectations.

I might just return it.


Hate restocking fees.
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post #176 of 5223
Quote:
Originally Posted by Bluesman View Post



Also found here: http://www.techpowerup.com/gpuz/5qrxh/

What is amazing is that this is at voltage 1212 and runs only at 73 degrees in Heaven 4.0. I had to give up on Afterburner as it would not even run a clock of 1100 which my 7850 did easily. I used Trixx which I found to be much more stable. In this case, and under my conditions - MOBO, ram, amd cpu, and stuff Trixx just worked wonders.

It's late and I'm failing fast. What a fantastic Myst card I got. The bios is 28 according to the data reported by Trixx but I cannot be sure.

See ya tomorrow.

So wait is that stock voltage?
Man I have a EZ edition in my hand sealed and also ordered Myst using the code...but it will not arrive until Tuesday! I think I am gonna use the EZ and send back the Myst sealed, this weekend really is the only time I got for playing around with the card!
post #177 of 5223
Quote:
Originally Posted by Bluesman View Post



Also found here: http://www.techpowerup.com/gpuz/5qrxh/

What is amazing is that this is at voltage 1212 and runs only at 73 degrees in Heaven 4.0. I had to give up on Afterburner as it would not even run a clock of 1100 which my 7850 did easily. I used Trixx which I found to be much more stable. In this case, and under my conditions - MOBO, ram, amd cpu, and stuff Trixx just worked wonders.

It's late and I'm failing fast. What a fantastic Myst card I got. The bios is 28 according to the data reported by Trixx but I cannot be sure.

See ya tomorrow.

Do your clocks fluctuate at all, according to GPU-Z? If it ever falls below 1210 @ full load, your OC is not stable.

Run a benchmark with GPU-Z in the background, and refer to the chart afterwards.

I've noticed a lot of posts about how 1200 Mhz or something is stable. It is NOT stable if it has to throttle between your OC setting and the stock setting (in rare cases it can also underclock to 2D clocks). Your framerate WILL be different if it is constantly at the OC target. The Myst does not artifact easily - its power controls will simply underclock back to stock if you pass certain thresholds, perhaps for power draw and temps. Do NOT get the false sense of security that 1200 Mhz is stable just because you don't see artifacts or programs crashing.

Edit: for clarity, I'm talking specifically about the Powercolor's Myst 7870. However, basic concept should be the same.
Edited by Kanashimu - 3/29/13 at 12:53am
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post #178 of 5223
Quote:
Originally Posted by Bluesman View Post



Also found here: http://www.techpowerup.com/gpuz/5qrxh/

What is amazing is that this is at voltage 1212 and runs only at 73 degrees in Heaven 4.0. I had to give up on Afterburner as it would not even run a clock of 1100 which my 7850 did easily. I used Trixx which I found to be much more stable. In this case, and under my conditions - MOBO, ram, amd cpu, and stuff Trixx just worked wonders.

It's late and I'm failing fast. What a fantastic Myst card I got. The bios is 28 according to the data reported by Trixx but I cannot be sure.

See ya tomorrow.

can you please post your trixx settings (preferably pics, settings, steps you took etc.) I'm getting fed up with Afterburner myself. I just unistalled afterburner to play with trixx. can AB still be used (installed in order to see on screen fps etc. in game) ?

Thanks so much!
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post #179 of 5223
nvm spoke too soon
Edited by Mates Rates - 3/29/13 at 1:54am
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post #180 of 5223
I bought my new Sapphire Radeon HD 7870 XT with boost and its a terrific performer especially after overclocked and the card sits on a CM elite 330 cabin with two 120mm front and rear fans. But I'm a bit concerned about its GPU temp and VRM temps. GPU @ 1150 core temp reaches 81C Max drool.gif and VRM temp goes as high as 102C devil.gif . Since Im living on a tropical place India, during hot summer here temp of ambient temp are around 30C+. Will these temps kill my card ? When I contacted sapphire support they said VRM temps will go that high and its normal, and is covered under warranty wubsmiley.gif

Thank you so much......
Edited by spp85 - 3/29/13 at 8:01am
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