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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 2284

post #22831 of 35960
Quote:
Originally Posted by melodystyle2003 View Post

On the subject now, MSI offers two P/Ns right now:
R7950-TF-3GD5/OC-BE with ASIN: B00B06M0O2 and
R7950-TWINFROZR-3GD5-V2OC with ASIN: B0089E69ZE.

Any opinions for these?

I think the newer cards shipping from MSI are the Boost Edition cards, but it is hard to tell what you are going to get when you order online. I have not seen anywhere yet where they advertise a Boost Edition card. The card I got from Amazon was a Boost Edition card, and here is the link that I used to order it:
http://www.amazon.com/MSI-R7950-TWIN-FROZR-3GD5/dp/B007NG3WR2

I ordered mine Mid February, but they were out of stock, and I had to wait a couple weeks before they got new stock. The front of the box has a Windows 8 sticker and a Boost Edition sticker. The label on the side says:

912-V276-038
R7950 TWIN FROZR 3GD5/OC
B007NG3WR2

Here is what the box and card look like: Warning: Spoiler! (Click to show)


The PWM controller is a CHL8228G and the memory is SK Hynix H5GQ2H24AFR-T2C Warning: Spoiler! (Click to show)

The cooling is pretty good, but the fans are a little loud over 40%, and very loud at 100%. I am using the Alphacool NexXxoS ATXP ATI 7970/50 Series V2 waterblock and the Alphacool NexXxoS ATXP back plate - ATI 7970/50 and V2 series for my cooling solution: Warning: Spoiler! (Click to show)


Despite an ASIC score of only 60.6%, my card seems to overclock very well. Although it may require more volts and better cooling than perhaps others, it is at the top of a few of the charts:
Warning: Spoiler! (Click to show)



This is my first AMD graphics card, and I've only had it a few weeks, but so far I'm pleased. I also have an MSI Z77 MPower motherboard and a GT60 laptop, both of which I am very happy with. MSI has very good customer service. I contacted them twice regarding some questions about the BIOS settings on my motherboard, and both times they got back to me within 1-hour.
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post #22832 of 35960
http://www.anandtech.com/show/6857/amd-stuttering-issues-driver-roadmap-fraps

AMD comments on issues both heavenly & mundane.

May be a good read for those that are not currently hanged to Columbia(bad joke mwahahahahaha).biggrin.gif
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post #22833 of 35960
So do I get the GIGABYTE WF3, MSI Twin Frozr III BE or something else? I wanted to stick with GIGABYTE or MSI due to the fact that their RMA centers are pretty close to me but perhaps these two aren't the best for overclocking/cooling
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post #22834 of 35960
Quote:
Originally Posted by tsm106 View Post

Eh, you know... boost cards have this floppy fixed voltage right? So gpuz calculation for asic is not accurate. And crappy crappy crappy asic is only defined within the environment its used for. High asic cards would pop first in extreme cooling ya know so they could be considered crappy too. Yea, the flip side.
Like my 90% 7950 1400 core with less than 1.3v
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post #22835 of 35960
@MikeG
This one on the link you gave looks to be a decent gpu, with many good comments of good overclock and low temps.
Unfortunately in Europe this ASIN does not exists, so i guess ii will be just luck..
Your gpu has 2 * 6pins, non reference pcb and it clocks/performs per clock, smooth thumb.gif

Don't know about Asus 7950, all i remember is that first batch of these had many temp problems.

Don't wanna push my budget, but i was thinking to get a evga gtx670 (after many service exception atimkmag.sys, irq_not_less_or_equal errors i have faced).
post #22836 of 35960
Quote:
Originally Posted by zGunBLADEz View Post

Like my 90% 7950 1400 core with less than 1.3v
What ASIN is your msi 7950?
post #22837 of 35960
Quote:
Originally Posted by MikeG View Post

My MSI HD7950 has an ASIC score of 60.6%, but seems to clock very well (although it needs a lot of volts). Here is a screenshot of 10 minutes of Furmark at 1300MHz Core and 1890MHz Memory clocks. I have my Core voltage set to 1.3V in Afterburner, but as you can see, there is a big voltage drop.



It is interesting though, my card doesn't seem to have a problem with 1300MHz running Furmark, but it tops out at around 1270MHz with Valley benchmark and about 1180 with 3DMark11.

Does anyone know of a way to set my voltage above 1.3V? I tried the modded Trixx, but it did not work. I heard it doesn't work with the Boost bios.

The modded version doesn't read voltage correctly from cards with a Boost BIOS. You will notice that no matter how much you adjust VDDC, voltages don't change or correspond in GPU-Z. I use Trixx 4.60 (the latest version) and enable the Force constant voltage option to get my GPU up to 1200, otherwise it maxes around 1075. Trixx 4.60 doesn't prevent vDroop, rather it raises the reference point at where the drop will occur so in effect your minimum voltage point will also raised.

Like you, I've also noticed that even though you can run FurMark without artifacts or locking up, using the same clock setting in a game (Witcher 2 in my case) requires a notch down in speed. FurMark is no indicator of stability, only the heat that your GPU or VRAM outputs at a certain voltage point.

EDIT: Just FYI, you have to reboot for the Force constant voltage option to work. Something that can easily be overlooked.
Edited by NLight95 - 3/26/13 at 2:56pm
post #22838 of 35960
Quote:
Originally Posted by melodystyle2003 View Post

What ASIN is your msi 7950?

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post #22839 of 35960
So the guy that offered me the 7 month old GIGABYTE 7970 OC sent me some screenshots of benchmarks he did tonight and the card is clocked at 1125/1575, not sure about the voltage though. Here are some of the screenshots he sent me:

http://i.imgur.com/PCjkSmy.jpg

http://i.imgur.com/qpYetL1.jpg

http://i.imgur.com/gfpaPzz.jpg

http://i.imgur.com/DaAWjDG.jpg

He did another benchmark and he says that he doesn't think it's voltage locked, he OC'd it to 1200/1650. Not 100% sure though. What do you guys think? He's basically offering me a used 7970 for like £30 cheaper than a new 7950.
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post #22840 of 35960
Quote:
Originally Posted by zGunBLADEz View Post

Not ASIC sir, ASIN and P/N if possible smile.gif
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