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HD7950 revised with reference HD7970 PCB club - Page 51

post #501 of 847
Quote:
Originally Posted by CaptainChaos View Post

From what I was able to tell when I was doing some research, it looks like a complete mixed bag. Certain people seem to be getting 7970 PCB's while others are getting 7950's and that's with orders that aren't really far apart.

If only someone on this forum were to buy one now and let us know what they get rolleyes.gif
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post #502 of 847
Quote:
Originally Posted by skyhigh2004 View Post

If only someone on this forum were to buy one now and let us know what they get rolleyes.gif

I've got one on the way, should be here Monday. I'll let you know. thumb.gif
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post #503 of 847
I recently purchased a Vapor-X 7950 which is not on a 7970 pcb but I played around with different bioses anyhow. I first tried the bios from a 7970 Vapor-x since it has a very similar pcb, no luck there though. I then tried the same bios as the OP since it was the only one with a matching ID, to my surprise it worked and the card was able to run stable but the HDMI port did not function with that bios. I also did not receive any performance gains on the 7970 bios so I switched back to the original bios since I use the HDMI port on one of my monitors. I just felt like sharing my experiences with this.
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post #504 of 847
Thread Starter 
Quote:
Originally Posted by derpy_hooves View Post

I recently purchased a Vapor-X 7950 which is not on a 7970 pcb but I played around with different bioses anyhow. I first tried the bios from a 7970 Vapor-x since it has a very similar pcb, no luck there though. I then tried the same bios as the OP since it was the only one with a matching ID, to my surprise it worked and the card was able to run stable but the HDMI port did not function with that bios. I also did not receive any performance gains on the 7970 bios so I switched back to the original bios since I use the HDMI port on one of my monitors. I just felt like sharing my experiences with this.

Did you try my Sapper BIOS?

I got it direct from Sapphire for my 950mhz Edition HD7950 and it worked great for it.


May work out for your card.

SAPPER.zip 41k .zip file
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post #505 of 847
Thanks man but it looks like they are sold out again lol.
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post #506 of 847
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post #507 of 847
Thread Starter 

At this point in time I would be hesitant to order it with so many PCB changes that SApphire does.
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post #508 of 847
So this explains why my 4+4pin 7950 VaporX is so stable while pushed to limist from Trixxx biggrin.gif
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post #509 of 847
I picked up a MSI 7950 Twin Frozr III shortly after Christmas last year. I got one with a 7970 PCB (8+6pin) It ships with a core clock of 880 mhz with 960 boost clock and a memory clock of 1250 mhz.

Pictures of the card:




I've benched my card at 1220/1800 on Heaven 4.0
Settings were from a benchmark thread on another forum.
-API : DirectX11
-Quality : High
-Tessellation : Normal
-Stereo 3D : Disabled
-Multi Monitor : Off
-AA : 4x
-Full Screen : Checked
-Resolution : 1920*1080

At 1220/1800 I scored 64.8 FPS. (Refer to pic below) Beating a 680 Classified at 1161/1752 and matching two 7850's at 1000/1350. (Refer to forum link above)

Screenshot of bench:


I believe I still have some headroom to OC. Just ordered some MX-4, going to see if a reapply will drop temps. The VRM's were pretty warm at those speeds.
Edited by AnAngryKoala - 3/10/13 at 1:40am
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post #510 of 847
I just used PK-1 on my TF3. Works well. Sorry, don't have exact measurements, but before TIM job Valley would push temps to mid 80s at nearly 100% fan. Now temps stay in the upper 70s and the fan is not working quite as hard.
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