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My mates ran fine for some time before he had problems with his!! He had to RMA it. His was the stock core one too!
Given all things that are manufactured have a risk of breaking down, I'm sure those taht stuff up at stock clock should be rare instances.. but having so many others (which break down due to overclock), makes it look like a sore thumb..
Having said that, Nvidia should at least provide some form of guideline as in where would it stop (like say from a standard clock to say 500MHz, and a reference memory running from stock clock to say 1450MHz... where after that point its the manufacturers problem), instead of giving the manufacturer all the liberty to do all they want with the chip. They're diging their own grave really. If Nvidia at least provided some solid guidelines, at least they'll win the enthusiast market's heart by saying 'we promote the overclocking thinking, and we support it by providing some guidelines to the limit of THIS hardware that we deem acceptable'.
My 2 pence, either do it correctly (with proper non-chicken-out policies).. or not do it at all. During the 6800s and FX time was still acceptable as the manufacturer wasnt as bold... 35MHz to 50Mhz was as much as you see on GPUs (the cards themselves can handle much higher than that). But think about now? from 450MHz to 560MHz?? Its pushing the limit really. Having differently binned memory with NO heatsinks should have their QC tighten up as well..
Its a basic engineering rule.. the design should be at most within 1.5 fold from the limit. If having an average cushion limit of say 100MHz (from 450MHz to 550MHz).. lets just keep things within 66MHz please.. Max overclock will be 516MHz.. not 560MHz.. leave the 33% to the user themselves if they want to risk it...
Me want Ultrabook
My brother was looking at getting the 7900 and i put him off because of the bad comments etc etc. I think it would be wise to let the dust settle before buying one.
The big issue is with the factory overclocks. My shiny new XFX7900GT is stock @ 520 / 1500, and guess what? It artifacts at these settings.
Currently it's underclocked to "stock" GT settings of 450 / 1320 as per the reference nVidia design and seems to be OK at these settings. However, I'm not too chuffed at having to do this - I could have bought a proper stock card cheaper.
Currently I'm awaiting a response from XFX tech support (took them 3 days on my initial enquiry and the response was not too reassuring).
If it doesn't get resolved, I might look at going to ATI, but when I built my new system, I didn't spec the PSU or cooling for a card with such high power requirements (or heat generation) as an X1800 ot X1900.
Some people are having issues with the 'stock' ones too. My mate did.
I was going to buy a 7900 but when i saw all this talk of problems i ordered an X1800XT 256mb instead. Going to install it later.
Originally Posted by jimborae
Oh bugger, looks like I spoke to soon, one of my cards appears to be having "issues" when playing games but is fine in 2d.
Oh well back to Scan it goes.
See, bad design problem. I reckon Nvidia have made a major cockup with this chip. Can't blame the manufacturers.
I've not had any problems with my XFX 520M thus far - I've had it about 4 weeks now but I've kept it at 'stock'.
I was however going to change over to the Zalman V900. Don't know whether to do this or not now. Its not to overclock but just to make the bugger run a bit more silent. Its a quick card but it aint half noisy!
Nothing wrong in putting the Zalman on mate. If you get any problems, just put the old one back on. Be careful thats all.
Aye I know - thats what I'm worried about - can I make the screws looks like they've not been touched thats the question?!!
Just had a thought - will I not have to use thermal paste as well. Surely that will be noticeable when I put on a new HSF.
i have had the 7900gt xfx and i wouldnt reckomend it lol i had teh artifacting problem and its awaiting RMA
x1900xtx rocks though lol
Up to you at the end of the day mate. The Zalman is there to serve a purpose. Just be careful when swapping things over thats all.
Just buy a 7900GTX, my one doesn't have any problems.
apart from the major price tag it holds
That's a good point; you can pick up a 7900GT (OK, bog stock Albatron) for £175 inc. - haven't seen many 7900GTXs for less than a hundred quid more than that.
7900GTX have their own problems - there's a post exclusively for this over at PCPer. Up to about 4 pages now.
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