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970's having performance issues using 4GB Vram - Nvidia investigating

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String said:
Minimum was 46.16. Sorry I don't have a screen cap, I'm doing this in a rush!
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I would say there is nothing wrong with your 970 as the minimums are fine compared to my 980.:)

It looks like NVidia are telling the truth that the VRAM is split on the 970 3.5gb and 0.5gb but it does not seem to effect performance.:)
 
varkanoid said:
To be honest I dont care about the VRAM thing like some people get all het up about. I have NEVER EVER seen it be a problem when I play games.

The 970 is still a brilliant card for me.
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if it doesnt affect you i guess its cool
*shrug*
but if it saves nvidia money and buyers let them get away with it.... i cant see that leading anywhere good
 
Kaapstad said:
I would say there is nothing wrong with your 970 as the minimums are fine compared to my 980.:)

It looks like NVidia are telling the truth that the VRAM is split on the 970 3.5gb and 0.5gb but it does not seem to effect performance.:)
Click to expand...

Well looking at his vram usage either he didn't have to go into that extra .5gb or he was being limited to 3377mb.

46 min is fine, but that's not including frame timing.

NVM, I'm pretty certain PCPER will sort it out.
 
So has anyone run the benchmark things (Kombuster and the tweaked one from Overclock.net) on any other cards (e.g. 980s or 290/290Xs)?

Sorry if I missed it when someone did, it's a big thread that's moving quite quickly.

Seems odd that the 970 should be different to the 980, although I guess there were quite a few differences this time around.
 
Meanwhile at AMD HQ:

evil-laugh-o_zps6dcd8e6a.gif
 
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ALXAndy said:
Well looking at his vram usage either he didn't have to go into that extra .5gb or he was being limited to 3377mb.

46 min is fine, but that's not including frame timing.

NVM, I'm pretty certain PCPER will sort it out.
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I think what is happening is the 0.5gb is being used but GPUZ is only recording what is being used in the 3.5gb part.:)
 
Kaapstad said:
I would say there is nothing wrong with your 970 as the minimums are fine compared to my 980.:)

It looks like NVidia are telling the truth that the VRAM is split on the 970 3.5gb and 0.5gb but it does not seem to effect performance.:)
Click to expand...

I've got to back this up in terms of experience, to be fair. My 2 cards run like an absolute beast. I'm not experiencing performance issues outwith the usual SLI tinkering.
 
ALXAndy said:
Hey man, you said it. IMO? if it was something they did not know about they would have made a statement to say "We really don't understand why this is happening and are looking into it".

But no. Instead they come along and tell you exactly why it's happening, because basically that's how the 970 uses its VRAM. They then post some benchmarks showing that it's not much worse than a 980....



What's the point of putting on, say, a 7990's box 6gb VRAM ! when we all know that it's really 3+3gb VRAM and you can only use 3gb of it because the other 3gb is just there to make the card run?

It's called marketing my friend. And once you understand that you'd be just as cynical and mistrusting as I am !
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7990 is a dual-gpu card and therefore a completely different case. Even someone who's two spanners short of being a complete toolbox could figure out the real implication behind that "6gb VRAM" ******** on the box. The 970 is a single card and is advertised as having 4gb of VRAM, therefore it is only natural to expect it to perform within its specs.

I know a thing or two about marketing and how specialists in the fields can use some really cheap tricks to flog you stuff but there's a fine line between using clever advertising techniques to push more units of your product and obfuscating a quite serious design flaw which effectively cripples the card's maximum performance.

You know, I've spent my entire life being mistrusting and this one moment I decided not to be it all backfires on me;p

Worst-case scenario, I'll just flog my Strix mid-year and get a 380x. Don't want to see any jitterfest when the likes of Witcher 3 demand access to the last 0.5gb of memory which the 970 apparently draws frome somewhere outside the Solar System.
 
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