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post #11 of 61
What type of 7950 are they?
post #12 of 61
Quote:
Originally Posted by AstralReaper View Post

What type of 7950 are they?

off topic: how's your fx handling the 7950?
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post #13 of 61
Quote:
Originally Posted by rdr09 View Post

off topic: how's your fx handling the 7950?

It does fine but wants more. Games with heavy cpu like CS:S put me at 5% gpu at 2D clocks* but current gen games are all fine. I do need a better cpu though as on most of those games lowering the settings doesn't improve fps that much, only lessens the load on the gpu. So while it works it could be better. I'm waiting for Steamroller and am going to get the 8-core if/when it comes out.

*I did it on purpose and still got above 100fps smile.gif.
post #14 of 61
Quote:
Originally Posted by treats View Post

How does buying a 7990 avoid CF issues? It is currently one of the most expensive versions of it lol.

Go with the 780 OP, and sell the 7950's or 1 and give the other to your bro.

doh.gif

It's called google bro.. AMD CrossFire™: harnesses the power of two or more discrete graphics cards working in parallel to dramatically improve gaming performance

So now that you now that theres nothing "Crossfire" about the 7990, why would you suggest he DOWNGRADE to the 780? His CF 7950 will pimp slap the 780 any day of the week. The 780 is an absolute joke when you consider that it is only marginally better than the 7970GE, which costs $250 LESS.
Quote:
Originally Posted by yanks8981 View Post

You realize that a 7990 is 2 crossfired GPU's on a single PCB, right? doh.gif

Not you too...... doh.gif Allow me to correct you...

AMD CrossFire™: harnesses the power of two or more discrete graphics cards working in parallel to dramatically improve gaming performance
Quote:
Originally Posted by hypnoticx View Post

that is true i still have a couple days before it arrives i may just go that route.

OP, are you looking for better performance? If so, the 780 will get its ass handed to it by your CF 7950's. You might as well keep what you have and give the free-bee to your brother. If you are looking for better performance, that 780 would easily sell for $600 here in the marketplace. Thats enough for 2 more 7950's. Tri-Fire for you, single for your bro thumb.gif

How you get a free 780 BTW?
Edited by 2advanced - 5/29/13 at 4:39pm
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post #15 of 61
What???

Are you saying that like the HD7990 isn't 2 HD7970 GPUs "crossfired" by an on-board chipset (dual cards use the bridge), my HD5970 is not 2 HD5870 GPUs set in Crossfire by and on-board chipset? eh-smiley.gif
That's odd, because I experience the same micro-stutter, driver bug issues the "real" Crossfire users experience....

Anyways, I was reading this thread because I am considering an upgrade to my HD5970 and I am undecided between a GTX 780 and 2x HD7950 and I though the OP was asking about the same thing. And what about me? Should I get the 780 or the Crossfire setup? I can get both at same price exactely, give or take €5.
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post #16 of 61
7990 = 7970 on cf. If you claim something else then please facepalm a wall
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post #17 of 61
Quote:
Not you too...... doh.gif Allow me to correct you...

AMD CrossFire™: harnesses the power of two or more discrete graphics cards working in parallel to dramatically improve gaming performance
LOL 7990 is basically to underclocked 7970 in Crossfire..
post #18 of 61
Quote:
Originally Posted by 2advanced View Post

doh.gif

It's called google bro.. AMD CrossFire™: harnesses the power of two or more discrete graphics cards working in parallel to dramatically improve gaming performance

So now that you now that theres nothing "Crossfire" about the 7990, why would you suggest he DOWNGRADE to the 780? His CF 7950 will pimp slap the 780 any day of the week. The 780 is an absolute joke when you consider that it is only marginally better than the 7970GE, which costs $250 LESS.
Not you too...... doh.gif Allow me to correct you...

AMD CrossFire™: harnesses the power of two or more discrete graphics cards working in parallel to dramatically improve gaming performance
OP, are you looking for better performance? If so, the 780 will get its ass handed to it by your CF 7950's. You might as well keep what you have and give the free-bee to your brother.
No...just no. Please do your research more carefully before making claims like this, you're almost as bad as the guy on YouTube who claimed that the 690/7990 has 4GB/6BG effective VRAM due to them being in a single card format. OP, if you want raw performance stick with the 2 7950 cards, but bear in mind that at this point they're nearly 1.5 years old, while the 780 can only get better through driver updates and will hold its value better than the 7950's should you later wish to sell it.
post #19 of 61
Quote:
Originally Posted by Johnny Rook View Post

What???

Are you saying that like the HD7990 isn't 2 HD7970 GPUs "crossfired" by an on-board chipset (dual cards use the bridge), my HD5970 is not 2 HD5870 GPUs set in Crossfire by and on-board chipset? eh-smiley.gif
That's odd, because I experience the same micro-stutter, driver bug issues the "real" Crossfire users experience....

Anyways, I was reading this thread because I am considering an upgrade to my HD5970 and I am undecided between a GTX 780 and 2x HD7950 and I though the OP was asking about the same thing. And what about me? Should I get the 780 or the Crossfire setup? I can get both at same price exactely, give or take €5.

Quote:
Originally Posted by sugarhell View Post

7990 = 7970 on cf. If you claim something else then please facepalm a wall

Quote:
Originally Posted by daman246 View Post

LOL 7990 is basically to underclocked 7970 in Crossfire..
Quote:
Originally Posted by KaiserFrederick View Post

No...just no. Please do your research more carefully before making claims like this, you're almost as bad as the guy on YouTube who claimed that the 690/7990 has 4GB/6BG effective VRAM due to them being in a single card format. OP, if you want raw performance stick with the 2 7950 cards, but bear in mind that at this point they're nearly 1.5 years old, while the 780 can only get better through driver updates and will hold its value better than the 7950's should you later wish to sell it.

Crossfire/SLI, by definition, is the use of TWO or more DISCRETE graphics cards in parallel. It's not a difficult concept to understand guys. While I would agree it is essentially the same thing, it is by definition and other things like VRAM, and power consumption, NOT one and the same.

@Johnnyrook; The 780 is horrible value considering it is only marginally better than a 7970GE yet costs $250 MORE. A pair of 7950's will stomp all over a 780 in terms of performance.
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post #20 of 61
Quote:
Originally Posted by 2advanced View Post

doh.gif

It's called google bro.. AMD CrossFire™: harnesses the power of two or more discrete graphics cards working in parallel to dramatically improve gaming performance

So now that you now that theres nothing "Crossfire" about the 7990........

Oh my redface.gif

"The twin GPUs are joined by a bridge chip from PLX with 48 lanes of PCIe bandwidth, 16 lanes to each GPU and 16 to the PCIe slot"


EDIT:

"AMD CrossFireX (previously known as CrossFire) is a brand name for the multi-GPU solution by Advanced Micro Devices, originally developed by ATI Technologies. The technology allows up to four GPUs to be used in a single computer to improve graphics performance."

No mention of discrete/ separate cards/pcb etc, just that its multi GPU which 7990 sure is, hope this helps thumb.gif
Edited by superj1977 - 5/29/13 at 6:36pm
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