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Thread: SK hynix says DDR5 mass production will begin this year

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    SK hynix says DDR5 mass production will begin this year

    First DDR5 DIMMs will be about 1.5x faster and offer over a third more bandwidth than DDR4.
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    Re: SK hynix says DDR5 mass production will begin this year

    Quote Originally Posted by HEXUS View Post
    I wish they would just jump DDR5 and go straight to DDR6, the PS5 and Xbox series X will have 16GB DDR6 as standard so I think anything new that comes to PC now should be at least that.
    Last edited by Ravens Nest; 03-04-2020 at 11:11 AM. Reason: Re-wording
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    Re: SK hynix says DDR5 mass production will begin this year

    The consoles are using GDDR6 not DDR6. Different beast totally...
    Old puter - still good enuff till I save some pennies!

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    Re: SK hynix says DDR5 mass production will begin this year

    Quote Originally Posted by 3dcandy View Post
    The consoles are using GDDR6 not DDR6. Different beast totally...
    Ok thanks for the correction, only thing is the consoles use it for the whole system not just graphics.

    So i'm guessing the PC accesses the CPU mostly so DDR5 is lower bandwidth tighter timing more efficient for CPU access whereas GDDR6 is high bandwidth loose timing better for GPU i guess.

    Just found this explanation it was quite helpful.

    https://www.hardwaretimes.com/differ...on-whats-hbm2/
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    Re: SK hynix says DDR5 mass production will begin this year

    Consoles use GDDR as system memory?

    Myself I've only just moved from DDR3 to DDR4. Please don't make my new system obsolete as soon as I've built it....

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    Re: SK hynix says DDR5 mass production will begin this year

    I will take new hardware ( CPU - MOBO ) with 8 X 64 GB DDR8400 RAM.
    Only problem is no one will buy it for me

    My current CPU will not push 64Gb of RAM at 3600 MHZ, it will only do that with 32GB, so i have to make do with just shy of 3500 MHZ cuz i cant be bothered with tweaking it more.

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    Re: SK hynix says DDR5 mass production will begin this year

    Quote Originally Posted by philehidiot View Post
    Consoles use GDDR as system memory?

    Myself I've only just moved from DDR3 to DDR4. Please don't make my new system obsolete as soon as I've built it....
    Next gen yes. Quickest memory/most bandwidth and available now
    Old puter - still good enuff till I save some pennies!

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    Re: SK hynix says DDR5 mass production will begin this year

    Quote Originally Posted by Gentle Viking View Post
    I will take new hardware ( CPU - MOBO ) with 8 X 64 GB DDR8400 RAM.
    Only problem is no one will buy it for me

    My current CPU will not push 64Gb of RAM at 3600 MHZ, it will only do that with 32GB, so i have to make do with just shy of 3500 MHZ cuz i cant be bothered with tweaking it more.
    Only 16 gig of 3000 here. Ryzen 7 2700 won't go higher without odd cold boot issue
    Old puter - still good enuff till I save some pennies!

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    Re: SK hynix says DDR5 mass production will begin this year

    Quote Originally Posted by 3dcandy View Post
    Next gen yes. Quickest memory/most bandwidth and available now
    I suppose they really don't have to care about general system performance that much.... there will be more than enough grunt there to overcome the inefficiencies brought in by using suboptimal memory for the occasional application.

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    Re: SK hynix says DDR5 mass production will begin this year

    Is ECC part of the DDR5 spec? I can't find any details about that elsewhere, so perhaps it's a value-add just for this manufacturer.

    I once read an estimate of a cosmic ray flipping a bit at once per decade per 8GB. So in a 64GB workstation that's every year or two, and in servers that'd be every few months

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    Re: SK hynix says DDR5 mass production will begin this year

    Quote Originally Posted by philehidiot View Post
    I suppose they really don't have to care about general system performance that much.... there will be more than enough grunt there to overcome the inefficiencies brought in by using suboptimal memory for the occasional application.
    There will be millions sold they will get a great price. It's about cost V performance on a console anyhoo
    Old puter - still good enuff till I save some pennies!

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    Re: SK hynix says DDR5 mass production will begin this year

    Quote Originally Posted by Peter Parker View Post
    Is ECC part of the DDR5 spec? I can't find any details about that elsewhere, so perhaps it's a value-add just for this manufacturer.

    I once read an estimate of a cosmic ray flipping a bit at once per decade per 8GB. So in a 64GB workstation that's every year or two, and in servers that'd be every few months
    I *think* ECC is part of the spec....
    Old puter - still good enuff till I save some pennies!

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    Re: SK hynix says DDR5 mass production will begin this year

    Big difference is these console's have the ram very close to the CPU so less issue with long length track traces in interference and timing differences. Classic PC memory is more further away and more likely the reason it lags behind a couple of sped generations from its GDDR equivalent.

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    Re: SK hynix says DDR5 mass production will begin this year

    Quote Originally Posted by Peter Parker View Post
    Is ECC part of the DDR5 spec? I can't find any details about that elsewhere, so perhaps it's a value-add just for this manufacturer.

    I once read an estimate of a cosmic ray flipping a bit at once per decade per 8GB. So in a 64GB workstation that's every year or two, and in servers that'd be every few months


    On-die ECC is part of the spec.

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    Re: SK hynix says DDR5 mass production will begin this year

    Quote Originally Posted by PMMEASURES View Post
    Big difference is these console's have the ram very close to the CPU so less issue with long length track traces in interference and timing differences. Classic PC memory is more further away and more likely the reason it lags behind a couple of sped generations from its GDDR equivalent.
    While that does make a difference I'm not sure an extra few inches would be noticeable from an overall system perspective, we're talking about a signal travelling at something like 50 to 90 odd percent of the speed of light, IIRC that's roughly 12 inches per nanosecond so at most you'd be talking about 1ns.

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    Re: SK hynix says DDR5 mass production will begin this year

    It not so the travel speed but interference(Signal Quality), track trace resistance, capacitance rf interference from adjacent tracks isolation and grounding all effect the signal quality further away the greater the issues.

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