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HD5970 PSU

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August 28, 2010 10:24:21 PM

Hi,

My comp is freezing up while gaming, requiring a hard reboot. It has become far too frequent now. Here are my specs:

OS Windows 7 64 bit
CPU Intel Core i7-920 Processor
CPU Speed 2673 MHz
MSI ATI R5970-PM2D2G PCIEXPRESS VIDEO CARD 2GB
RAM DDR3 P1600 2GB X3 KIT PATRIOT VIPERLINE GAMER
ASUS MAINBOARD P6T SE
COOLING SYSTEM - COOLIT DOMINO
700W PSU PRO GAMING SILENTPRO FAN ACTIVE PFC - COOLERMASTER
SATA HDD 1TB 7200RPM

I have been told that my PSU is not capable of supplying the GPU properly. Is there any truth in this?

Thanks

My Furmark score is 2746(60000ms) at 1680 x 1050 MSAA 4X
FPS: min=39 max=69 avg=46
Max GPU Temp: 84°C - Max Current: 43.5A

Is it me or is there something seriously wrong here??? The card is OC'd to 800/1100 too.

More about : hd5970 psu

August 29, 2010 12:06:19 AM

Yes this is true, at least thats what sounds like the problem - i got by with an 850 xfx black edition, so i would recommend at least a good 850
August 29, 2010 9:31:37 AM

I was also told that my CPU is way below standard in order to really fulfill my card's potential. Is this true? I was under the impression that my CPU was one of the better models on the market.

I can believe this computer costed me over EUR2000 to build and i have to upgrade after 6 months.
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August 29, 2010 3:17:40 PM

The 920 is one of the best ones out there for gaming, no way it is bottlenecking your card.
The problem sounds mostly with the psu. Firstly, underclock your card to stock & then see if all runs well (don't know why you would've felt the need to overclock the 5970)

a b B Homebuilt system
August 29, 2010 3:35:24 PM

Unless you want a 980X, the 920 is the best performing CPU series on the market right now.

On the problem, though it could be a PSU problem, the 700W is enough for a 5970 (uses barely 300W on max load) and with under-powering it should simply shut-down. Is it stable under Furmark?

August 29, 2010 4:37:55 PM

I clocked it because i simply am not getting the performance i should be..

My CPU is 2.7hgz and i've been told that i should have at least 3.4ghz to really use the potential of this card.

I'm doing a stability test on furmark and the pc freezes after a few minutes. The temp wont be higher than 90c.

I have noticed when using GPUZ that my max load doesnt seem to be distributed onto both GPUs.
August 29, 2010 6:59:44 PM

** I just did another furmark stability test and it ran for 30 mins with no problems at an average temp of 90C.. I cant understand why it wasnt even gettign 5 mins in last night.
August 29, 2010 8:47:02 PM

Agree with Timop - performance scales well when overclocking from stock to 4Ghz on the 920 - after that the other models don't really matter until the 980x - and even then its not by much because of the clock speed; you mainly benefit in multitasking at that point

the gpu load seems like a prob - try messing around with the standard and advanced thing under ... oh whats it called oh - ai in the catalyst cp

also try other games, because some are finicky about using CF
August 29, 2010 9:34:10 PM

i set all CCC options to default..

SCORE:8524 points (60000 ms)
Max GPU Temp: 88°C
Resolution: 1680x1050 (FS) - MSAA: 0X
FPS: min=123 max=196 avg=142

This system is so weird. Some days are much better than others.

Ran crysis with settings on very high and im getting 25-35 average fps. I noticed this site's testing of the game had frame rates in the 80s. Even with AA off im in the 30s.. Could a new PSU and a CPU overclocking push my fps up that much??

I have watercooling, how far can i push my cpu?

Do my fps numbers look normal?
August 29, 2010 11:42:40 PM

Overclockin the cpu, in my case, increased dramatically (from 2.6 to ~3.2) not as dramatically as 30 to 60 though
August 30, 2010 10:17:32 AM

silversurfernhs said:
Agree with Timop - performance scales well when overclocking from stock to 4Ghz on the 920 - after that the other models don't really matter until the 980x - and even then its not by much because of the clock speed; you mainly benefit in multitasking at that point

the gpu load seems like a prob - try messing around with the standard and advanced thing under ... oh whats it called oh - ai in the catalyst cp

also try other games, because some are finicky about using CF


Borderlands. Frame rate is very fluid, as it should be. I believe that game isnt very intensive though.

Company of heroes is good(not excellent) on the whole. When viewing from on top all is fluid, but any quick jerk of the camera makes it stutter quite badly.

The Sims 3 is excellent when zoomed in, but any fast action when zoomed out makes the game stutter terribly. A lot of people with good systems have complained about this though.

Bad Company 2 ran flawlessly for me.

Crysis, runs @ 30-40fps on very high, with some occasional dips if theres loads of action. Removing AA only gave me a few more fps.

If this were a cheaper card i wouldnt have any problems with these dips in performance. But with this card I'd expect it to run any game i throw at it flawlessly and 100% fluid at all times. This just isnt happening at the moment. Could my HDD be causing the stuttering?

Ive boiled it down to either PSU, CPU, or HDD. Could be wrong of course, I just want to get to the bottom of this.
September 1, 2010 6:08:18 AM

Yeah, thats just not going to be the case - i expected the same from my 5970 - i ran into so many issues and RMA deals i finally said F*** it and went with a 480 sc sli setup - and now im happy! lol

And like i said there are still issues - computers are quirky sometimes

Oh sims is just like that - i went from c2d 2.1 4gb 8800gt laptop with a 7200 rpm hdd to my current 980x 2tb 7200 480sli 12gb and that strange stutter when you move the camera is still there (albeit less)

company of heroes is pretty hard t get a perfect bench - not sure why - or what its fluidity is dependent on...
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