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Anreill
812,800,000nm Satisfies Me!
Joined: 19 Mar 2003
Posts: 1376
Location: OKC
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Sevnn wrote: From what I understood, the GPU is slower regardless of the memory bus so it wouldn't have performed as well. Maxwell has the new ability to turn off some of the memory control units but still access the memory behind them by sharing that access with the next memory controller. This is slower but allowed them to make the card with 4GB of ram instead of 3.5GB. Most games won't need the full 4 and you won't see any negative impact from the slower 512MB. In the case when you do, their drivers determine what should go where and how to best read/write to that shared memory.
It is common place for manufacturers like Intel and Nvidia to sell "disabled" chips at a lower price. What this really means is they try to make chips with all the features in them but not all work properly. If they have a chip with part of it broken, they disable that section and run it as a lower featured product.
Pretty much. Memory performance on the 900 series cards is supposed to be relatively close across the board, with the chip being the difference between models. And yeah, that's usually how chips work out. They manufacture them, test them, those that pass the "980 test" are labelled as such, those that fail it but pass the "970 test" are labelled as such, etc down the line. Even with the weird memory allocation thing the 970 performs just as well as people said it did. It'll do 60fps 1440p in most things just fine, which is what it's always been recommended for. The only game I even have that has the potential to get into that last 512MB is Skyrim with a bunch of graphical mods, so I'm quite happy with my 970.
The stink with the 970 was that originally they didn't allocate things quite right. You'd have stuff the card uses for various things sitting in the lower end of the memory, which would push people running high settings at high resolution into that last 512MB. They've since patched it so that the stuff the card uses that doesn't need the faster memory sits there and it's less likely to get used.
But still, Brules just likes to come up with random baseless reasons to be sandy.
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Thu Mar 05, 2015 10:16 am
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