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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 1597

post #15961 of 38701
Quote:
Originally Posted by PcG_AmD View Post

Thanks a lot for the info very useful!

So what I understand from all this is that as long as you have x8 PCI-E 2.0 then your card will not be bottlenecked in most games,maybe some in DIRT 3.Am I right?

Correct. I should add a rider on the graph I produced. When a new platform is out, I get locked in to the drivers when it was released. For Ivy Bridge, that was 12.3 for Catalyst. Things may be different in 12.9, but I doubt they would have changed much for Dirt3. If anything newer games would work better! smile.gif
Quote:
Originally Posted by connectwise View Post

Borlandi is from anandtech?

Yes. I'm the motherboard reviewer. But I'm also on the OCN HWBot overclocking team, and a sub-admin of TeamGB Overclockers.
Quote:
Originally Posted by tsm106 View Post

Quote:
Originally Posted by borandi View Post

For four-way, PLX on Z77 is the wrong way to do it.
X79?

Ideally, yes.

Here's some more data. Again, Dirt3, 2560x1440, All the special stuff turned on, 7970s, 12.3 drivers, CPUs at stock with 16 GB DDR3-2400 9-11-11(or as close to it).

The boards used:

ASUS Rampage IV Extreme - X79, i7-3960X. x16/x16/x8 and x16/x8/x8/x8, has MultiCore Enhancement
ASUS Rampage IV Formula - X79, i7-3960X. x16/x16/x8 and x16/x8/x8/x8, has MultiCore Enhancement
ASRock X79 Extreme11 - X79, i7-3960X, x16/x16/x16 and x16/x16/x16/x16 (uses two PLX 8747 chips to go x16/x16/x16/x16, but those chips cause 2-4% drop on perf each) in PCIe 3.0 and PCIe 2.0, no MCE
ASUS P8Z77-V Premium, Z77, i7-3770K, x16/x8/x8, x8/x8/x8/x8 all PCIe 3.0, uses a single PLX 8747 chip, has MultiCore Enhancement
ASRock Z77 Extreme9, i7-3770K, x16/x8/x8, x8/x8/x8/x8 all PCIe 3.0, uses a single PLX 8747 chip, no MCE
Gigabyte G1.Sniper 3, i7-3770K, x16/x8/x8, x8/x8/x8/x8 all PCIe 3.0, uses a single PLX 8747 chip, MCE-Plus
EVGA Z77 FTW, i7-3770K, x16/x16/x8, x16/x8/x8/x8 all PCIe 3.0, uses a single PLX 8747 chip (routed differently), no MCE
Gigabyte Z77X-UD5H, x8/x4/x4 all PCIe 3.0, no PLX, MCE
Biostar TZ77XE4, x8/x8/x4, last card is PCIe 2.0 x4 as it is routed through the chipset, no PLX, no MCE
ASRock Z77 Extreme6, x8/x8/x4, last card is PCIe 2.0 x4 as it is routed through the chipset, no PLX, no MCE

(MCE is Multicore Enhancement - read about it http://www.anandtech.com/show/6214/multicore-enhancement-the-debate-about-free-mhz)

49657.png

49632.png

For Dirt3, X79 wins out. After that, you want PCIe 3.0 with a PLX, and finally the bottom two have that x4 PCIe 2.0 setup.

For Metro 2033:

49662.png
49633.png

It doesn't matter that much, we're all GPU bound. But picking the right board would give 5 FPS difference if you care about it. In this case, X79 or high end Z77 is still the way to go.

Out of my Z77 and X79 reviews, the ASUS X79 ROG boards, and the Gigabyte Sniper/UD5H Z77 boards are the ones I gave awards. I don't give awards out like some websites do with free nachos. Awards my end have to be earned, no-one gets a free ride where I'm concerned, and the manufacturers know that.
post #15962 of 38701
Quote:
Originally Posted by PcG_AmD View Post

No crashes or any problems at all with the beta drivers?


Not as of yet for me... Very nice though, I've been noticing alot better detail from these ones while I've been using the desktop. Very very nice lol. smile.gif
post #15963 of 38701
Quote:
Originally Posted by connectwise View Post

Borlandi is from anandtech?
My system locked up yesterday as well with just single 7970. The sound jammed in a loop and it had to be force resetted.
On GPU-Z or random?
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post #15964 of 38701
Quote:
Originally Posted by borandi View Post

49657.png
49632.png
For Dirt3, X79 wins out. After that, you want PCIe 3.0 with a PLX, and finally the bottom two have that x4 PCIe 2.0 setup.
For Metro 2033:
49662.png
49633.png




Just look at the PLX chips get in the way on the Ext 11. I noticed that another user here has to clock his cards a bit higher using an Ext 11 just to keep up at max clock benching. It's not a surprise I suppose, it's to be expected when you double the latency.





Btw, did you have any crashing in tri/quad with the RIVE? I only ask because some users here are experiencing these crashes. It's a pretty rare setup and replicating it is hard.
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post #15965 of 38701
Just sent my Sapphire HD 7970 OC for a RMA because of grinding fan noise. Let's see if I'll get a better overclocker back. tongue.gif
     
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post #15966 of 38701
Quote:
Originally Posted by Ukkooh View Post

Just sent my Sapphire HD 7970 OC for a RMA because of grinding fan noise. Let's see if I'll get a better overclocker back. tongue.gif

They will probably just replace the fan assembly and return the same card to you. Unless they do just send you a new one and then fix and use your old for a replacement.
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post #15967 of 38701
For those interested in Borderlands 2. WOW!

I'm surprised at how the game is so nicely optimized for Eyefinity/Quad-Fire on day 1, with the hud in the middle screen at 7680X1600 (3X30'') (instead of the usual stretching with life/ammo on the side screens where we can't see them), and running fine with every settings maxed out. We had CAP for this game before it came out! I played 12 hours already, and didn't had a single crash/BSOD/freeze etc! PQ is really great, and the game is awesome. Love it.

It's so rare to see a game working so well with Eyefinity/Crossfire on the first day, out of the box! I'm impressed.
    
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post #15968 of 38701
Hi guys, finally there is a review of Hybrid 7970 if someone is curious, like me! biggrin.gif

Review: ARCTIC Accelero Hybrid 7970
post #15969 of 38701
Quote:
Originally Posted by Levesque View Post

For those interested in Borderlands 2. WOW!
I'm surprised at how the game is so nicely optimized for Eyefinity/Quad-Fire on day 1, with the hud in the middle screen at 7680X1600 (3X30'') (instead of the usual stretching with life/ammo on the side screens where we can't see them), and running fine with every settings maxed out. We had CAP for this game before it came out! I played 12 hours already, and didn't had a single crash/BSOD/freeze etc! PQ is really great, and the game is awesome. Love it.
It's so rare to see a game working so well with Eyefinity/Crossfire on the first day, out of the box! I'm impressed.

Yes I also played it, its very well done. Its nice for the 15 first minutes until I get my routine lockups. rolleyes.gif
But honestly, I think its the game of the year.
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post #15970 of 38701
Quote:
Originally Posted by crash01 View Post

Hi guys, finally there is a review of Hybrid 7970 if someone is curious, like me! biggrin.gif
Review: ARCTIC Accelero Hybrid 7970

If only it didn't void the warranty on my Sapphire 7970, I'd try this =/ Risking voiding the warranty on a card that I got as an open box deal doesn't seem worth it. I wish Sapphire didn't care if we replace coolers!
   
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