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Micron Confirms Next-Gen NVIDIA Ampere Memory Specifications - 12 GB GDDR6X, 1 TB/s

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rjohnson11
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2020/08/15 00:35:00 (permalink)
https://www.techpowerup.com/270991/micron-confirms-next-gen-nvidia-ampere-memory-specifications-12-gb-gddr6x-1-tb-s-bandwidth
 
Micron have spilled the beans on at least some specifications for NVIDIA's next-gen Ampere graphics cards. In a new tech brief posted by the company earlier this week, hidden away behind Micron's market outlook, strategy and positioning, lie some secrets NVIDIA might not be too keen to see divulged before their #theultimatecountdown event.

Under a comparison on ultra bandwidth solutions, segregated into the GDDR6X column, Micron lists a next-gen NVIDIA card under the "RTX 3090" product name. According to the spec sheet, this card features a total memory capacity of 12 GB GDDR6X, achieved through 12 memory chips with a 384-bit wide memory bus. As we saw today, only 11 of these seem to be populated on the RTX 3090, which, when paired with specifications for the GDDR6X memory chips being capable of 19-21 Gbps speeds, brings total memory subsystem bandwidth towards the 912 - 1008 GB/s range (using 12 chips; 11 chips results in 836 GB/s minimum). It's possible the RTX 3090 product name isn't an official NVIDIA product, but rather a Micron-guessed possibility, so don't look at it as factual representation of an upcoming graphics card. One other interesting aspect from the tech brief is that Micron expects their GDDR6X technology to enable 16 Gb (or 2 GB) density chips with 24 Gbps bandwidth, as early as 2021. You can read over the tech brief - which mentions NVIDIA by name as a development partner for GDDR6X - by following the source link and clicking on the "The Demand for Ultra-Bandwidth Solutions" document.
 
https://media-www.micron.com/-/media/client/global/documents/products/white-paper/high_performance_memory_white_paper.pdf?rev=cc16375182244b81865a8832290c4977
 
Some very interesting reading in my opinion. 
 


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    ty_ger07
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    Re: Micron Confirms Next-Gen NVIDIA Ampere Memory Specifications - 12 GB GDDR6X, 1 TB/s 2020/08/15 04:52:55 (permalink)
    12 GB in a GeForce card. That makes more sense. The 24 GB rumor didn't make much sense for a consumer GeForce card.
    #2
    z999z3mystorys
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    Re: Micron Confirms Next-Gen NVIDIA Ampere Memory Specifications - 12 GB GDDR6X, 1 TB/s 2020/08/15 07:47:47 (permalink)
    I know going from the 10 series to the 20 series total RAM on the top cards didn't really change, so I half expected a moderate increase, even if the usefulness would be questionable, just as a marketing spec.
    though it seems it's leaning to another round of 11GB for the top Geforce, 12GB for the titan.


     
     
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    kevinc313
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    Re: Micron Confirms Next-Gen NVIDIA Ampere Memory Specifications - 12 GB GDDR6X, 1 TB/s 2020/08/16 09:37:31 (permalink)
    ty_ger07
    12 GB in a GeForce card. That makes more sense. The 24 GB rumor didn't make much sense for a consumer GeForce card.



    IMHO there could be a 3090 with the full GA102, but 12GB vs, 24Gb Titan vs. 48GB Quadro.  Then some time next year they drop a 3080 Ti with a cut down GA102.
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    rjohnson11
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    Re: Micron Confirms Next-Gen NVIDIA Ampere Memory Specifications - 12 GB GDDR6X, 1 TB/s 2020/08/16 11:45:54 (permalink)
    ty_ger07
    12 GB in a GeForce card. That makes more sense. The 24 GB rumor didn't make much sense for a consumer GeForce card.

    The 24GB rumor could apply to Quadro or an extreme high end consumer card

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    CraptacularOne
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    Re: Micron Confirms Next-Gen NVIDIA Ampere Memory Specifications - 12 GB GDDR6X, 1 TB/s 2020/08/16 12:35:29 (permalink)
    I honestly think it's about time to start upping the amount of VRAM on high end cards. Would start a trickle on effect that would allow developers to really stretch their legs in visuals and higher resolution texture mapping without having to resort to texture streaming or other things like compression. Cards are getting more and more capable as the generations go by. 8GB should be the floor for next gen gaming class video cards. 

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    Re: Micron Confirms Next-Gen NVIDIA Ampere Memory Specifications - 12 GB GDDR6X, 1 TB/s 2020/08/16 18:37:42 (permalink)
    rjohnson11
    ty_ger07
    12 GB in a GeForce card. That makes more sense. The 24 GB rumor didn't make much sense for a consumer GeForce card.

    The 24GB rumor could apply to Quadro or an extreme high end consumer card




    Micron used the 3090 nomenclature too... so there's at least a chance it means 3090 as in 2x 3080, which then means each 3080 would have its own 12GB for a 24GB total. But I think it's unlikely.
     
    What I don't like is that although the per-pin power count goes down, Ryan at Anandtech estimates GDDR6X will utilize up to 25% more power than regular GDDR6 at the max speed bin... 
     


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    Hoggle
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    Re: Micron Confirms Next-Gen NVIDIA Ampere Memory Specifications - 12 GB GDDR6X, 1 TB/s 2020/08/16 19:09:48 (permalink)
    I think it's very telling that Micron pulled the graph and it's no longer part of the document you linked.

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    Miguell
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    Re: Micron Confirms Next-Gen NVIDIA Ampere Memory Specifications - 12 GB GDDR6X, 1 TB/s 2020/08/17 00:57:25 (permalink)
    well its really time to put a bit more vram in there!
    i've been playing horizon  zero dawn full eye candy at 2560x1440p and it goes up to 10/11GB vram on my Gpu and takes up to 16GB system RAM  (beautiful game)
     
    i've been measuring it with msi afterburner.
    i'll stick to my 1080 Ti...
     
    AND lets see if there's a "super" versions afterwards..  cause it's nvidia we talking about.
    post edited by Miguell - 2020/08/17 01:17:28

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    GTXJackBauer
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    Re: Micron Confirms Next-Gen NVIDIA Ampere Memory Specifications - 12 GB GDDR6X, 1 TB/s 2020/08/17 09:49:46 (permalink)
    I'd wait to see what they do when Intel drops their GPUs along with AMD. 
     
    Also, if there's no 'Ti'/'Super' insight, I'd guess one will be released the year after.

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