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[KG/TT] AMD also rumored to be using GDDR5x on new 14nm GPUs (Updated) - Page 8

post #71 of 76
Either way, were going to be seeing GDDR5X on every lower tier card from both camps for several years. HBM only for the top end chip.
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post #72 of 76
Quote:
Originally Posted by L36 View Post

Either way, were going to be seeing GDDR5X on every lower tier card from both camps for several years. HBM only for the top end chip.

Yeah because they still want to use 256-Bit memory interface.
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post #73 of 76
Quote:
Originally Posted by BiG StroOnZ View Post

Found some more slides on GDDR5X:
Source: http://hexus.net/tech/news/graphics/87533-slides-touting-gddr5x-memory-advantages-leak-online/

So GDDR5X will basically bring current DDR5 up to par with HBM1 speeds?

Basically if the FuryX had 4 GB of GDDR5X, aside from requiring slightly more power and a larger PCB, there would be no real difference than it is now with HBM1 from the perspective of the user. Obviously it would be a big difference from an engineering and design standpoint.

This sounds fantastic. Cheaper costs and while there will be more heat overall, being much more diffused with the memory not stuck directly to the chip should give a little more overclocking headroom. Heck I say use this on the high end cards too until everything starts catching up to the point where this is also over-saturated, then move to HBM.
Edited by DNMock - 11/1/15 at 9:54am
post #74 of 76
Quote:
Originally Posted by DNMock View Post

So GDDR5X will basically bring current DDR5 up to par with HBM1 speeds?

Basically if the FuryX had 4 GB of GDDR5X, aside from requiring slightly more power and a larger PCB, there would be no real difference than it is now with HBM1 from the perspective of the user. Obviously it would be a big difference from an engineering and design standpoint.

This sounds fantastic. Cheaper costs and while there will be more heat overall, being much more diffused with the memory not stuck directly to the chip should give a little more overclocking headroom. Heck I say use this on the high end cards too until everything starts catching up to the point where this is also over-saturated, then move to HBM.

Not 100% the same. These faster speed could mean higher power then current GDDR5 and loser timings. In the end of the day it's how the GPU uses the available memory bandwidth.
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post #75 of 76
Quote:
Originally Posted by ZealotKi11er View Post

Yeah because they still want to use 256-Bit memory interface.
Not only that, its a cost cutting measure.
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post #76 of 76
Quote:
Originally Posted by ZealotKi11er View Post

Not 100% the same. These faster speed could mean higher power then current GDDR5 and loser timings. In the end of the day it's how the GPU uses the available memory bandwidth.



So it is not the size but how you use it! *Gotcha tongue.gif!
 
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