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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 3588

post #35871 of 38721
Two Lightning BE (used) ~$350 each:

http://www.ebay.com/itm/2-Cards-MSI-HD-R7970-Lightning-Be-3-MB-GDDR5-SDRAM-PCI-Ex-Graphic-BOOST-ED-7970-/301153799613?pt=PCC_Video_TV_Cards&hash=item461e2a4dbd
post #35872 of 38721
well I can get one with a EK Waterblock for $500 tongue.gif

I didnt list that one But I saw it..

I dont need 3 of these things, 2 will last me till the R9-300 Series.
plus they are boost editions (blllaaaaaaah)

in hind sight, I'm skeptical about some of these listings, if it's been used for mining 24/7 the last 8 months, the card is prolly near death lol
Edited by SkateZilla - 4/16/14 at 3:02pm
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post #35873 of 38721
If I had the cash, I would have grabbed them to replace two my PE/Ltg. cards. Spent my last bit of money on new fittings and tube. Three Lightnings will take care of your Eyefinity setup for a while too.
post #35874 of 38721
Quote:
Originally Posted by wermad View Post

If I had the cash, I would have grabbed them to replace two my PE/Ltg. cards. Spent my last bit of money on new fittings and tube. Three Lightnings will take care of your Eyefinity setup for a while too.

I only need to hold over for R9-300 Series if the specs are correct...

Then it's buy one of those, and sell off or demote my old cards.
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post #35875 of 38721
Guys is this right for a 7970 at 1190/1650?




compare it to my 7950 1160/1300


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post #35876 of 38721
Quote:
Originally Posted by Popple View Post

Shouldn't this be consistent across the entire range of the aftermarket lines? (like Gigabyte's UltraDurable and MSI's Military Class)

95% of that stuff is just marketing filler, majority of cards are the same, cheaper it is the cheaper the PCB is made. Only things you should really look at is the cooler's performance, ceramic/iron chokes if you don't want coil whine, and if you're hoping to do extreme overclocks try to get something with a lot of phases (lightnings are usually the best in sub-zero).
   
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post #35877 of 38721
Quote:
Originally Posted by wermad View Post

Quote:
Originally Posted by heroxoot View Post

What do you mean? Consistent use of higher quality parts? Lately it seems like anything that isn't a specially made GPU uses lesser parts or they stick their hand in a bin of random VRMs and you have to get lucky to have good ones. That's why my last card was the 7970 lightning. Everything about it is higher quality and it costs more too.

Haven't been keeping up w/ the thread, but did you get your 290?
Should have tracking tomorrow. The RMA updated with all but the tracking number.
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post #35878 of 38721
Quote:
Originally Posted by MrStrat007 View Post

Things to try:
1) Try disabling your iGPU.
2) How do your GPU usage graphs look?
3) Try testing each card induvidually and monitor usage/fps. If one card is a dud, that could be your problem.
4) Try a different crossfire bridge. Can also try reversing the direction of the crossfire bridge.

I assume your 7970 is your main (ie: display output) card? For crossfire you might need to return the 7950 to it's original bios, but I am less familiar with how that affects crossfire than some others here.

Thanks alot. I went into my bios and disabled the igpu and re enabled crossfire and on ultra I get 85-95 fps @ 1680x1050. Im still experience some frame drops but not really as bad and it is definitely playable. I do need to replace my hd with an ssd before I do more tweaking but I am very pleased to have crossfire functional. This is my first dual gpu setup and I know most people say one better gpu is best but I gotta atleast try it!
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post #35879 of 38721
Bumped up my PE clocks to match the BE @ 1150mhz for the Fanboy challenge. Not much difference in 3D13 FS. But I'm glad all three PEs can do 1150. Thinking of flashing them to BE thinking.gif


Got ~15k and I'm not too impressed. Going to bump up my cpu a bit to test this further.
post #35880 of 38721
Out of curiosity - is there any reason for me to update to the latest drivers for my 7950 (Gigabyte)?

Running 13.4, as I understand most of the newer drivers are aimed @ the R9/7 cards?
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