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Teh latest edition of maximumpc has a review of teh sapphire 8 gig card. 8 gigs of ram does NOTHING not even in 4k..........
In general I tell graphics card buyers that the amount of RAM is overrated as a graphics card attribute, and that's still true. But if you plan on playing games at triple-monitor or 4K resolutions, 8GB of onboard graphics memory becomes far more compelling. Based on this comparison alone, Sapphire's Vapor-X R9 290X 8GB card looks like a good idea for high-resolution duty.
8gb on a 290/x or a 970/980 is mostly useless. When you are gaming at 4k the extra ram will help, but most likely youre going to run out of gpu power. now if you take 8gb with a 290/x or a 970/980 at 4k and run cf/sli, that will make the 8gb more useful. without the gpu power, the ram is useless.
Tom's seems to indicate that the 8GB version is an improvement for higher than 1080p resolutions: http://www.tomshardware.com/reviews/sapphire-vapor-x-r9-290x-8gb,3977-6.html
From their conclusion:
Of course the charts make the 970 look even more appealing, especially since the price increase to the 290X 8GB doesn't equate to a performance increase of the same magnitude. The 970 actually does better at 4K than the 290X 8GB in a few scenarios.
Aren't the consoles based on last gen video cards? I don't think either AMD or Nvidia is in any rush to make something new when the current gen won't ever be utilized by game devs anytime soon if ever. Well, unless we get another Crysis-like game, which is pretty doubtful considering that companies aren't willing to invest much in innovation for the sake of it.
8gb on a 290/x or a 970/980 is mostly useless. When you are gaming at 4k the extra ram will help, but most likely youre going to run out of gpu power. now if you take 8gb with a 290/x or a 970/980 at 4k and run cf/sli, that will make the 8gb more useful. without the gpu power, the ram is useless.
That comparison is total BS by toms. They make a disclaimer that they match the core clock and memory clock between the reference and vapor X but make no attempt to compensate for the throttling nature of the 290x reference fan profile.
Anyone who have ever had experience with the reference 290/290x should know that the default fan profile will lead to throttling and affect gameplay. A simple trip to AMD Catalyst Center software and adjusting fan profile will remove all throttling.
With only 11 days left and no major press conferences scheduled by either camp there's no room for a new card release until late Jan early Feb at the earliest.
I don't mind waiting on the new AMD cards as long as I am waiting on a 144Hz, 1440p FreeSync monitor to go with them..... and I am assuming the new cards will be out before we get any such panels. The dual 290's I picked up on 11/7/2013 for $760 shipped have aged phenomenally well at 1440p and still keep most games I play pegged at a solid, V-sync'd, 110FPS. So as it stands I will be buying my next GPUs, AMD or nVidia, based solely on what FreeSync or G-sync monitor I eventually go with come Spring/Summer 2015 (hopefully...)!
Teh latest edition of maximumpc has a review of teh sapphire 8 gig card. 8 gigs of ram does NOTHING not even in 4k..........
8gb on a 290/x or a 970/980 is mostly useless. When you are gaming at 4k the extra ram will help, but most likely youre going to run out of gpu power. now if you take 8gb with a 290/x or a 970/980 at 4k and run cf/sli, that will make the 8gb more useful. without the gpu power, the ram is useless.
Kitguru also did some Xfire and SLI comparison (dual GPU setup), they threw in 980 SLI as well as a Titan Z just for the sake of comparison.
http://www.kitguru.net/components/graphic-cards/zardon/sapphire-r9-290x-vapor-x-8gb-cf-review/
Bizarrely enough, in 4k resolution, while 290x 8GB beats 295X by a few % fps (never more than 10%), 980 SLI consistently beats it by the same margin, only losing to it in 1 game they tested.
Now, it could very well be that those games tend not be VRAM hungry, but it does seem that 290x dual Xfire still can't use the 8GB VRAM effectively, even at 4k. So somewhere in there the 290X simply isn't hitting VRAM cap (especially when compared to similar 295x).
Mantle loads more data into VRAM to get the GPU do more brunt of the work right? or did I completely misunderstand how Mantle works?