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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 2017

post #20161 of 38704
Quote:
Originally Posted by Coree View Post

I have a heatsink on the VRM's, should i put some mx-4 to the top of the VRM's? Is it safe or should I use thermal pads? VRM1 peaking @ 106C while I was playing BF3 at 1100/1405 @ 1,093mV (1.031) stock... 54% fan speed

106c ouch.
Pads is likely to be better to hold them there.
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post #20162 of 38704
Even at stock clocks VRM1 is hitting 90C after a 1-2 hour BF3 session. :/ Changed the thermal grease MX-4 on the GPU die though. 7C lower core temps at its peak
post #20163 of 38704
Quote:
Originally Posted by muhd86 View Post

well i have dual 1000watt ps u hence in total = 2000watt , yes setup is stable but i just need to try out the max over clock on these gpus which some ohow i cant do .

strange ........wonder why gigabyte locked the voltages .

I'm just curious, if you're going to spend the money on 4 7970's why not just get a 7990? I'm still new around here so I honestly just wanted to know. Also, what the hell are you doing that requires that much GPU power?
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post #20164 of 38704
Quote:
Originally Posted by billgates8889 View Post

About this i5 2500k bottleneck, could someone please with Battlefield 3 do this;

To test if you have a bottleneck or not, there are usually two ways to do it. One, reduce your resolution to 800x600 and see if your FPS increases. if your FPS doesn't increase then you have a CPU bottleneck. If your FPS increase then you have a GPU bottleneck. Another method is to enter BF3 multiplayer (not singleplayer), and open console (press ~). Make sure the server is at 64 players. Type in the following, remember to press enter after each line.

Render.PerfOverlayEnable 1
Render.PerfOverlayVisible 1

You CPU line is yellow and your GPU line is green. If your CPU line is above your GPU line, then you have a bottleneck. If your GPU line is above your CPU line then you have a GPU bottleneck. Your system is balanced when both lines are close to each other.

Please post the results.
Thanks for the overlay tip thumb.gif

This is BF3 64/64 server Gulf of Oman in 1080p Ultra settings


The CPU is always slightly higher used than the GPU but they are around the same level, FPS dips when yellow line spikes, which it does often


This is same situation, same position on the map, ~same time at Ultra settings 800x600


Is my CPU indeed bottlenecking?

The FPS is much more consistent at 800x600 than it is in 1080p in this map, but in smaller maps the 1080p FPS is just as consistent

I wonder how people with 7900 and 6 or 8 core Intel Core or FX processor would fare..
Edited by Metro.Is.King - 1/17/13 at 10:30am
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post #20165 of 38704
Quote:
Originally Posted by DownshiftArtist View Post

I'm just curious, if you're going to spend the money on 4 7970's why not just get a 7990? I'm still new around here so I honestly just wanted to know. Also, what the hell are you doing that requires that much GPU power?

Some people bench weight, others benchmark. I'd like to see a quad 7990 setup. biggrin.gif
post #20166 of 38704
Quote:
Originally Posted by DownshiftArtist View Post

I'm just curious, if you're going to spend the money on 4 7970's why not just get a 7990? I'm still new around here so I honestly just wanted to know. Also, what the hell are you doing that requires that much GPU power?

7990 is more expensive. About a grand iirc, whereas 2x 7970s will cost $300 each. Also, double the VRAM
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post #20167 of 38704
Quote:
Originally Posted by DownshiftArtist View Post

I'm just curious, if you're going to spend the money on 4 7970's why not just get a 7990? I'm still new around here so I honestly just wanted to know. Also, what the hell are you doing that requires that much GPU power?


4 x 7970s is less expensive and I bet it overclocks much better than the 7990 (7970x2), not speaking about the Ares II overclocking ability though, still kind of unknown. But the Ares II is much more expensive. Good stock clocks though

Quadfire 7970s are use to run Very high resolution, mostly multi-monitor. And I can assure you that 4 x 7970s is still not enough for really high resolution.

Quote:
Originally Posted by dmanstasiu View Post

7990 is more expensive. About a grand iirc, whereas 2x 7970s will cost $300 each. Also, double the VRAM

The 7970s are not double the Vram?
Edited by KaRLiToS - 1/17/13 at 10:56am
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post #20168 of 38704
Quote:
Originally Posted by dmanstasiu View Post

Quote:
Originally Posted by DownshiftArtist View Post

I'm just curious, if you're going to spend the money on 4 7970's why not just get a 7990? I'm still new around here so I honestly just wanted to know. Also, what the hell are you doing that requires that much GPU power?

7990 is more expensive. About a grand iirc, whereas 2x 7970s will cost $300 each. Also, double the VRAM

Also, guess what happens when you have a problem with one of your 7990s? You lose two gpu at a time. With single cards, the balls keeps on rolling thru the rma process.


BOld, incorrecto. Vram on dual gpu cards is halved.
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post #20169 of 38704
Are there a lot of driver problems for 7970 GHz Editions in CFX? These GHz Editions are looking very tasty right along with two 680 4GB. The HIS Radeon HD 7970 GHz Edition is on a reference PCB & that's what I'm looking for, so I can WC them. Any help would be appreciated... I will be running one 2560x1440. I've never been able to get into the whole 3+ monitor setup, so that's out.
 
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post #20170 of 38704
Quote:
Originally Posted by PatrickCrowely View Post

Are there a lot of driver problems for 7970 GHz Editions in CFX? These GHz Editions are looking very tasty right along with two 680 4GB. The HIS Radeon HD 7970 GHz Edition is on a reference PCB & that's what I'm looking for, so I can WC them. Any help would be appreciated... I will be running one 2560x1440. I've never been able to get into the whole 3+ monitor setup, so that's out.


Ghz is not just reference, AIBs can make any card out there Ghz edition. It's just a label on the surface, but the real issue is the bios. It sucks. Get a real reference card, no ghz crap. Diamond is one of the last players in town.
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