Longsys Electronics shares DDR5 DRAM performed with Alder Lake

Discussion in 'Frontpage news' started by Hilbert Hagedoorn, Mar 17, 2021.

  1. Hilbert Hagedoorn

    Hilbert Hagedoorn Don Vito Corleone Staff Member

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  2. kapu

    kapu Ancient Guru

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    I think it will be quite some time until DDR5 passes top tier DDR4 B-die for gaming ... (also price wise) . It is not bad time to invest in solid 32 gb of b-die , it will last for very very long.
     
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  3. ruthan

    ruthan Master Guru

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    So 10/30% performance improvements, 0,15 V less voltage.. + bad double latency, it not seems as big improvement. I expected something better.
     
  4. Stairmand

    Stairmand Master Guru

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    Nice, but yeah at CL 40 is way too high. More than double current mediocre kits. I expect this to drop to CL30 pretty quickly though.
     

  5. mackintosh

    mackintosh Master Guru

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    It always takes a year or two for next gen DDR to leapfrog its predecessor. Nothing new here, it seems.
     
  6. JonasBeckman

    JonasBeckman Ancient Guru

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    First gen DDR3 wasn't too impressive either but the revised versions worked out pretty well, would assume something similar happened with the earliest DDR4 modules and now again with DDR5 possibly also the hardware and CPU support but after the first year and initial modules it'll probably start showing what it can do. :)

    Especially once the higher spec speeds start being supported properly overcoming the latency drawback and timings.
    (Might be similar to the prior gens too where voltage was used to push the chips pretty hard initially and then the cost as well.)


    Infinity Fabric at 2000 or higher for AMD so DDR4000 rates at least, unsure about Intel both their upcoming CPU's and memory compatibility XMP specs and all that and how high AMD's IF will scale for AM5 but pushing into even higher speeds would be really fun to see performance results of if it can be supported.

    High enough speeds and 1/2 rates could also work out but latency and other delays might be a hindrance.
     
  7. Ssateneth

    Ssateneth Member Guru

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    CPU is only 800 MHz. Surely other systems related to memory is downclocked. I severely doubt the RAM is over 110 ns. L3 is over 60ns, so this adds on top of memory latency

    6400 CL40 is less latency than 2133 CL15. We're talking jedec specs. Overclocking "XMP" kits will have lower latency figures
     
  8. cyberfredxxx

    cyberfredxxx Member Guru

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    +1 , I always wait 2 years or 3 to upgrade when a new DDR comes out.
    actually my DDR4 3800 c14 on my main rig (and even my 3600c16 on second rig) outperforms these first score of DDR5.
     
  9. coth

    coth Master Guru

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    There are no JEDEC 3600C16 or 3800C14. There are 3200C20 to 3200C24.
     
  10. Venix

    Venix Ancient Guru

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    So the high end ones will come eventually @30-32 cl hmmmmm
     

  11. Arctucas

    Arctucas Ancient Guru

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    Model: F4-360016Q-32GTZR, F4-3800C14D-16GTZN ?
     
  12. cucaulay malkin

    cucaulay malkin Ancient Guru

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    absolutely
     
  13. icedman

    icedman Maha Guru

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    This will allow igpu's to become little powerhouses what most excites me anymore with the sad state of pc gaming atm APU's are mostly immune to all the bs.
     
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  14. chinobino

    chinobino Maha Guru

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    That's not JEDEC, that's XMP.

    They used DDR-4 3200 CAS 22 32GB DIMMs for comparison? That should be very easy to beat, you can get 32GB 3200 MHz DDR4 DIMMs with CAS 16 now.
     

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