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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 1441

post #14401 of 38704
Damn gigabyte, asus, sapphire look so tempting:)

Price is the best for gigabyte tho but is probably due to less accesories in the box.
These vapor-x will be quite pricy. I think i'm gonna go with gigabyte.

Is there any diference between ghz edition and earlier release? Or they are the same clock per clock? Do ghz editions OC better?
post #14402 of 38704
Quote:
Originally Posted by Andrazh View Post

Damn gigabyte, asus, sapphire look so tempting:)
Price is the best for gigabyte tho but is probably due to less accesories in the box.
These vapor-x will be quite pricy. I think i'm gonna go with gigabyte.
Is there any diference between ghz edition and earlier release? Or they are the same clock per clock? Do ghz editions OC better?

Yeah, too many choices.

I don't think there's any evidence that the GHz Editions clock any better than the normal ones.

By the way, Sapphire's Vapor-X is only about $10-$30 more than the other non-reference cards. Not too bad at all if the cooler performs better than their Dual-X.
post #14403 of 38704
Gigabytes 7970 costs 390€. Sapphire dualX is 420€. So vaporX would be like 450€. I dont think its worth 60€ more.
post #14404 of 38704
Thanks for reply, but shouldn't a HD7950 run this game on High settings with 60FPS all times? I understand ultra is for xfire and sli

Quote:
Originally Posted by Simkin View Post

Mesh on High, and especially Ultra takes a lot of fps.. i run mine on Medium.
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post #14405 of 38704
MSI HD 7950 Twin frozr III 6+8 pin flashed with VTX 7970 Bios 1050core 1425memory @ 1.043v, card still comes up as HD 7950 but still has only 1792 shaders which is ok, Using an fx 8120 @ 4.4ghz, here is the bios if anyone wants to try the flash as well, vtx7970bios.zip 41k .zip file
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post #14406 of 38704
(edit: oops, I meant DX10 for the test!)
I keep hearing how furmark is not a useful test and I agree. It doesn't have anything to self check for errors, but I've found a program that does (see below).

However, I disagree that benchmarks/gaming are a valid test, because the load is variable.
I was able to pull 1020 at stock 1.09 v on my benches/games.

However, try this on your "stable" overclock- volt mods and high clocks welcome (and maybe prove my testing wrong):


Run OCCT 4.3.0 (newest one), DX10, 480x480 res, shader complexity 8, error checking ON
Make sure powertune is set to +20%!
If that passes, try 320x320 resolution. Or anything lower if you like... but not too low- we want to keep the card loaded 99-100%gpu!

Don't worry, it won't burn out your card, I ran it for hours. Powertune limits TDP... thats why Nvidia added it to their cards too.

With this test at those settings, my 1.09 v stock would start having errors above 970-975! Even if I put the fan at the highest setting and kept temps below 70, I would eventually get errors in that test. It explained why I was getting random crashes in games... it wouldn't happen for days at 1020@1.09v! I thought it was driver issues, lol.

With higher resolutions the errors wouldn't happen. I don't know why... perhaps that is why the games would randomly crash after a long long time
maybe someone else can try that too, find a place where 480x480 and 320x320 gives errors and then try higher res and see if errors happen.

Btw, OCCT 3 and OCCT 4 dx9 also wouldn't show errors.
Edited by robnitro - 8/13/12 at 6:58am
post #14407 of 38704
Quote:
Originally Posted by kahboom View Post

MSI HD 7950 Twin frozr III 6+8 pin flashed with VTX 7970 Bios 1050core 1425memory @ 1.043v, card still comes up as HD 7950 but still has only 1792 shaders which is ok, Using an fx 8120 @ 4.4ghz, here is the bios if anyone wants to try the flash as well, vtx7970bios.zip 41k .zip file


Is that a GHz edition BIOS? If so does the boost work?


What is the date of the BIOS? Have I tried this one yet?
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post #14408 of 38704
It is a ghz BIOS. I don't know if it has the boost but it works great on my card. Even better than the stock bios
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post #14409 of 38704
2/29/12 BIOS date
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post #14410 of 38704
Quote:
Originally Posted by kahboom View Post

2/29/12 BIOS date

I will check it out. I think I may have tried it if its the same one you sent me in pm awhile back. ( didn't work out for my card)
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B.K.T.
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