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Thread: Micron says GDDR5X will hit mass production this summer

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    Micron says GDDR5X will hit mass production this summer

    GDDR5X is facilitating data rates of more than 13Gb/s in early tests.
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    Re: Micron says GDDR5X will hit mass production this summer

    I still question how useful this will be.....
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    Re: Micron says GDDR5X will hit mass production this summer

    Seems bizarre to me. Why spend the cash to develop a technology between two existing ones i.e less advanced than HBM, instead of just investing in HBM? I don't see enthusiasts wanting less than HBM and I can't see budget users shelling out for more than GDDR5. My 3gb R9 280x performs beautifully, if I was going to upgrade it would be to a HBM gpu.

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    Re: Micron says GDDR5X will hit mass production this summer

    If I'm reading the chart right, a single chip of GDDR5X - so 1GB of VRAM - can run a 64bit interface at 12Gbps (maybe up to 13, based on the rest of the article). The equivalent GDDR5 set up (running at 6Gbps) would be a 128bit interface and require 4 GDDR5 chips.

    Tell a GPU manufacturer they can replace 4 GDDR5 chips with a single GDDR5X chip - meaning less chases, less soldering, and therefore smaller or less complex PCBs - with no drop in performance, and I can see them biting your hand off at the lower end of the market...

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    Re: Micron says GDDR5X will hit mass production this summer

    Surely this is going to make for some mad, cheap and fast low end cards.

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    Re: Micron says GDDR5X will hit mass production this summer

    intel HD Graphics with 1GB DDR5X inbuilt.........wow!

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    Re: Micron says GDDR5X will hit mass production this summer

    Quote Originally Posted by Luke7 View Post
    Seems bizarre to me. Why spend the cash to develop a technology between two existing ones i.e less advanced than HBM, instead of just investing in HBM? I don't see enthusiasts wanting less than HBM and I can't see budget users shelling out for more than GDDR5. My 3gb R9 280x performs beautifully, if I was going to upgrade it would be to a HBM gpu.
    85-90% OF HMB bandwidth but far cheaper to upgrade your plant to make it (less tool changes etc) and far cheaper to manufacture a tweak of old process, vs. moving in all new equipment. Meaning far faster to market in volume too. All of which in the end means lower cost, for basically HBM qualities that are already MORE than needed. As you see HBM did nothing for AMD. HBM2 will again do nothing for AMD (or NV) until maybe a rev or two later when they are using 8K or VR heavily etc. We just don't need the mass cost of HBM1/2 right now for what we are doing. They're great stuff for a few revs down the road, but not with 95% of the world using 1080p or less. NV was able to beat HBM with little effort (clock up gddr5 to 7.2ghz etc, increase in compression algorithms to shrink graphics assets etc, all meant NV wasn't bandwidth constrained). HBM1+2 are great tech, don't get me wrong, just not yet. So this is a cheap, fast to roll-out solution that uses mostly the same tech, production lines etc, which unlike AMD's cards, won't drive up price and cause shortages due to HBM2 this time (like they had with hbm1). I really hope AMD goes this way too for at least a first run of their next cards (for speed to market, volume, cheaper), no point in driving up your price (shrinking any profit you get) just for a marketing point. NV is seemingly choosing the "cheaper but all that is needed route", which is going to yield more profit (badly needed by AMD by the way).

    As OP noted, wonder what it would do added to an integrated chip...Hmmm.. Either way good stuff, especially low end would get really good bandwidth (something only high end models usually get), so low end discrete definitely rising, which will force the high end to move up too. I like this

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    Re: Micron says GDDR5X will hit mass production this summer

    Quote Originally Posted by nobodyspecial View Post
    85-90% OF HMB bandwidth ...
    That's only true if my assumption about a single chip doing 64b @ 13Gbps is true, and it's also a comparison to HBM1, which is already available in the mass market. More to the point, the first generation of HBM technology is 23% faster than GDDR5X and has been available in mass production for pushing 6 months. HBM2, stack for chip, is over twice as fast as GDDR5X and has (iirc) up to 8x the capacity. GDDR5X isn't competing with HBM1, and it can't compete with HBM2, so comparisons with those are meaningless. It's competing with GDDR5 (and to an extent the DDR3 that turns up on very low end cards), and it could do quite well in that segment if they can get it to market in sufficient volume, and at a low enough price. Whether they can is yet to be seen, though...

    Since GDDR5X is a direct replacement for GDDR5 it's as likely to be integrated into a CPU/APU as GDDR5 itself - i.e. not at all.

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    Re: Micron says GDDR5X will hit mass production this summer

    It'd be interesting to see someone downclock the memory of a fury and a 980ti to see just how memory bandwidth limited they are - it could be that you can't fit enough processing grunt on an economical 16nm die to saturate a GDDR5X pipeline, in which case sticking to the older tech could bring large cost reductions for no performance impact

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    Re: Micron says GDDR5X will hit mass production this summer

    As you see HBM did nothing for AMD. HBM2 will again do nothing for AMD (or NV) .....PLEASE!! HBM has done alot for AMD, Fury Nano is very small, use less electricity than the 980 but way faster. AMD has proven for the 1st time a low profile card can be equally faster thanks to HBM.

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    Re: Micron says GDDR5X will hit mass production this summer

    Quote Originally Posted by lumireleon View Post
    AMD has proven for the 1st time a low profile card can be equally faster thanks to HBM.
    Which low profile card has HBM?

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    Re: Micron says GDDR5X will hit mass production this summer

    Card manufacturers want more profit as soon as possible. So to use gddr5x means quicker production on some recycled cards or even new. Is alot better than waiting on HBM to be produced. Save the limited supply on high to mid high teir cards.

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    Re: Micron says GDDR5X will hit mass production this summer

    Quote Originally Posted by zaks90v8 View Post
    Card manufacturers want more profit as soon as possible. So to use gddr5x means quicker production on some recycled cards or even new. Is alot better than waiting on HBM to be produced. Save the limited supply on high to mid high teir cards.
    There's no wait for HBM, it's here already. GDDR5X on the other hand does have a wait.

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