[Tom's Hardware] Leaked Intel Server Roadmap Shows DDR5, PCIe 5.0 in 2021, Granite Rapids in 2022 - Overclock.net - An Overclocking Community

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[Tom's Hardware] Leaked Intel Server Roadmap Shows DDR5, PCIe 5.0 in 2021, Granite Rapids in 2022

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post #1 of 16 (permalink) Old 05-23-2019, 06:37 AM - Thread Starter
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[Tom's Hardware] Leaked Intel Server Roadmap Shows DDR5, PCIe 5.0 in 2021, Granite Rapids in 2022

Source: https://www.tomshardware.com/news/in...ids,39403.html

Quote:
A leaked roadmap from an April Huawei presentation has revealed that Intel will introduce DDR5 memory and PCI 5.0 with Sapphire Rapids in 2021. The roadmap also confirms Granite Rapids in 2022 and shows that Intel will update Optane Persistent Memory at a yearly cadence. There are also two platforms for Cooper Lake, which goes up to 48 cores.

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post #2 of 16 (permalink) Old 05-23-2019, 01:25 PM
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Way to pour cold water on pcie 4.0.
It may have 0 net benefit by the time it is obsolete.

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post #3 of 16 (permalink) Old 05-23-2019, 09:07 PM
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Next Nvidia will be talking about DP 3.0.

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post #4 of 16 (permalink) Old 05-24-2019, 09:37 AM
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Quote: Originally Posted by rluker5 View Post
Way to pour cold water on pcie 4.0.
It may have 0 net benefit by the time it is obsolete.
meh, it's 2 years til servers, so probably 3 years to consumers.

I will take 3 years of PCIE 4.0 over 3 more years of PCIE 3.0


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post #5 of 16 (permalink) Old 05-24-2019, 10:04 AM
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Quote: Originally Posted by DNMock View Post
I will take 3 years of PCIE 4.0 over 3 more years of PCIE 3.0
What are you going to plug into it?

I have still not seen any devices that support 4.0. If it is really only out for three years before 5.0 I expect we will not see any 16x PCIe 4.0 devices. Hopefully we will get one line of GPUs from AMD or something. Not that 16x PCIe is bottlenecking current GPUs, but using only 8x lanes for the GPU could be nice sometimes.
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post #6 of 16 (permalink) Old 05-24-2019, 10:35 AM
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Quote: Originally Posted by Asmodian View Post
What are you going to plug into it?

I have still not seen any devices that support 4.0. If it is really only out for three years before 5.0 I expect we will not see any 16x PCIe 4.0 devices. Hopefully we will get one line of GPUs from AMD or something. Not that 16x PCIe is bottlenecking current GPUs, but using only 8x lanes for the GPU could be nice sometimes.
It's all backwards compatible. I can take a 3.0 pcie gpu and plug it into a motherboard with pcie 4.0 and it will work exactly the same as it does now. You can also take a 5.0 pcie gpu and plop it into a PCIE 4.0 motherboard and it will operate with the bandwidth of 4.0 PCIE just fine.

TL;DR it's all interchangeable.


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post #7 of 16 (permalink) Old 05-24-2019, 11:14 AM
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Quote: Originally Posted by DNMock View Post
I can take a 3.0 pcie gpu and plug it into a motherboard with pcie 4.0 and it will work exactly the same as it does now.
Of course, but then why would you care if you had 4.0?
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post #8 of 16 (permalink) Old 05-24-2019, 11:41 AM
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Quote: Originally Posted by Asmodian View Post
Of course, but then why would you care if you had 4.0?
Because you skipped over the part where PCI-e 5.0 will work at 4.0 speeds as well for some reason.

NVMe will jump on the new standards instantly, even if GPUs and other high bandwidth devices do not.

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post #9 of 16 (permalink) Old 05-24-2019, 02:07 PM
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Quote: Originally Posted by KyadCK View Post
Because you skipped over the part where PCI-e 5.0 will work at 4.0 speeds as well for some reason.
Good point.

Though we don't have any x16 3.0 nvme drives yet. No x8 drives even so speed cannot be that important.

Last edited by Asmodian; 05-27-2019 at 04:29 PM.
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post #10 of 16 (permalink) Old 05-25-2019, 09:44 AM
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Quote: Originally Posted by Asmodian View Post
What are you going to plug into it?

I have still not seen any devices that support 4.0. If it is really only out for three years before 5.0 I expect we will not see any 16x PCIe 4.0 devices. Hopefully we will get one line of GPUs from AMD or something. Not that 16x PCIe is bottlenecking current GPUs, but using only 8x lanes for the GPU could be nice sometimes.
Both these product lines have PCIE 4 cards.
https://www.mellanox.com/related-doc...-6_EN_Card.pdf
https://www.mellanox.com/related-doc...-5_EN_Card.pdf
The connectX5 line has been out a couple years already.
I would also expect nvme drives to make the leap to PCIE 4 within a year of platforms being out. They have been speed capped for quite some time now due to PCIE 3



Only reason 4.0 has taken so long is because Intel forced it to be delayed for many years. People have been ready and wanting it for a while.

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