Leaked Intel Alder Lake slides indicate support for PCIe 5.0 and DDR5

Discussion in 'Frontpage news' started by Hilbert Hagedoorn, Mar 22, 2021.

  1. Hilbert Hagedoorn

    Hilbert Hagedoorn Don Vito Corleone Staff Member

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  2. Undying

    Undying Ancient Guru

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    At this point it would be smart waiting for ddr5 platform from both intel and amd instead of buying these overpriced ddr4 systems.
     
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  3. Kosmoz

    Kosmoz Member Guru

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    We've been saying this for months now, the official reviews and benchmarks will again confirm this in about a week about Skippy Lake.

    Alder Lake will be the first real change in architecture for intel and the only one worthy of actual attention.
     
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  4. Fox2232

    Fox2232 Ancient Guru

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    Smart from performance per $ perspective?

    I am not so sure. 1st gen will likely not be miraculous, but will cost quite a bit.
     
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  5. Undying

    Undying Ancient Guru

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    First gen is never something spectacular but on a long term worth investing even paying a premium at first. It will stomp current systems no doubt.
     
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  6. IchimA

    IchimA Maha Guru

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    @Undying ... Man I am not sure about you ... but I am always waiting for second or third gen of this things ( DDR5 - CPU Platform )
    Even if the new INTEL and AMD will come out I will wait for second iteration ...
     
  7. Astyanax

    Astyanax Ancient Guru

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    PCIE 5 is pointless, skip to 6.
     
  8. Moonbogg

    Moonbogg Master Guru

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    I would want one without the small, slower cores. Just the 8 faster cores would be ideal for a gaming rig. I don't want the scheduler assigning gaming tasks to slower cores. Also, DDR5 is going to be hilariously expensive at first I bet. I think I'll see how performance/price plays out. If these CPUs cost $600 and 32gb of DDR5 costs $500 then that's not exactly exciting in my book, especially when a $250 10700K will max any GPU and game for years to come over 1080p.
     
  9. Astyanax

    Astyanax Ancient Guru

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    thats not how it works.

    the slower cores aren't x86.
     
  10. sozuoka

    sozuoka Member

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    I mean, if 1080p (or heck, even 1440p) gaming is your only concern, then there's no exciting news if you have bought any new CPU in last 2/3 years. Adopting new hardware has always been expensive too, so nothing new here. If there is any discussion, it would be only about if the performance improvement can justify the premium we pay for it.
     

  11. PrMinisterGR

    PrMinisterGR Ancient Guru

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    I would love to have proper standby like a console, where the computer can keep downloading etc. Of course that's on Windows, but I'm reading that AMD and motherboards might already start supporting Modern Standby. This architecture makes a lot of sense for something like this.
     
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  12. nosirrahx

    nosirrahx Master Guru

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    Early DDR5 will be like early DDR4/3/2, nothing compared to the mature products. RAM frequency matters so little anyway compared to GPU and CPU, the industry has way bigger issues at the moment.

    On-die L3 cache mitigates the impact of slower RAM, I suspect this will only get worse (better?) with future CPU generations.
     
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  13. Astyanax

    Astyanax Ancient Guru

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    just a reminder that intel doesn't benefit from DDR frequency as much as AMD does.
     
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  14. DmitryKo

    DmitryKo Master Guru

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    Last edited: Mar 24, 2021
  15. cucaulay malkin

    cucaulay malkin Ancient Guru

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    this is true
    I compared some of the same games that appear in both tests,r5 3600 usually sees 10-15% increase form going from 3000 to 3600
    i5 8600k it's 5-10%
    so both benefit,and noticeably,ryzen gets 4-6% more out of it.

    https://www.purepc.pl/jaka-pamiec-do-procesora-amd-ryzen-5-3600-test-ddr4-2133-4000?page=0,17
    https://www.purepc.pl/test-pamieci-ddr4-2133-3600-mhz-na-intel-core-i5-8600k?page=0,4

    it's also worth mentioning 4000 async mode is barely as good as 3400/3200 sync
     

  16. Astyanax

    Astyanax Ancient Guru

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  17. nosirrahx

    nosirrahx Master Guru

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    We really need a storage solution that addresses latency/random read/write before going beyond PCIe 4.0X4 matters much anyway. If you compare the 870 EVO to the 980 Pro you see more than a 12X in sequential read but barely a 2X in 4K random. Clearly the interface does not help much on the random side. Optane has too many caveats unfortunately so we need something in between NAND and Optane. Getting 4K random to 160MB/S (effectively double the current best NAND solution) would be a nice goal for PCIe 5.0X4.
     
  18. DmitryKo

    DmitryKo Master Guru

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    That's too late for a product released by end of 2021. The final spec should have been released two years prior, and final silicon should have been taped out a year prior.

    NVMe still uses 512 Byte sectors and LBA adressing to match hard disk access patterns of current software. We would need 1) large sectors/clusters and contiguous alocation of free space, and 2) device drivers and software optimised for data access patterns of flash memory disks.

    BTW Microsoft is planning to bring the DirectStorage API from Xbox Series X to Windows 10 - this will require an NVMe disk for muich improved load times. Details will be available at Game Stack Live event (April 20-21, 2021).

    Optane has no caveats when used in disk storage devices, but it's simply too expensive for a consumer PCs. Intel recently cancelled all end-user storage devices and concentrated on server-oriented 'Optane DC' DIMM memory.
     
    Last edited: Mar 25, 2021
  19. Astyanax

    Astyanax Ancient Guru

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    Final draft is fine for releasing hardware with, Intel did it with Sandy bridge E

    Alder lake isn't coming till 2023/2024, so just skip Gen 5.
     
  20. DmitryKo

    DmitryKo Master Guru

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    PCIe 6.0 is not at the final draft stage yet - that would be version 0.9, and so far only draft 0.7 has been approved.

    No, that's Meteor Lake, a 7 nm node refresh.
     
    Last edited: Mar 25, 2021
    Mda400 likes this.

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