What PCIe lanes are good for, and what Intel can't do ! - ED Forums
 


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Old 09-28-2017, 02:38 PM   #1
BitMaster
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Default What PCIe lanes are good for, and what Intel can't do !

If you ever asked yourself what the PCIe lane talk is about and what use it has, here is one example, tho not an everyday sceanrio, it shows what it offers. Directly connected to the CPU you can directly reroute it to another set of 16x lanes into your GPU.

The speed shown in the link is actually in the fast DDR3 or standard DDR4-2133 class, to give you an idea how fast your SSD array could get. Mind you, it's server counterpart offers even double the lanes, 128, ..imagine 56Gb/sec read/write SSD speed. It's here, and it carries AMD in it's name.

I am so glad AMD really has the punch

http://www.guru3d.com/news-story/eig...ch-28-gbs.html
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Old 09-28-2017, 03:03 PM   #2
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AMD TBH is Ahead of Intel now, Intel got cocky, and they are in for a surprise w/ Zen+/Pinnacle CPUs.

Because AMD no longer FABs HUGE DIEs they Fab in Smaller CCX and Link them, they are able to produce more DIES and Higher yeilds w/ less losses to defects per wafer = cheaper production costs = lower prices at or about ~4-5% of Intel's performance levels = consumers moving to AMD.

AMD has already taken back a HUGE chunk of marketshare these past few months alone.

Intel is still in denial about PCIe Lanes being important to anyone but HEDT/PROFESSIONAL/SERVER Systems.

Intel is still in denial about Smaller Linked DIES vs Large Single Dies.
This will also be nVidia's downfall.

but people are still willing to Shell Out $5000 For a GPU from nVidia.
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Old 09-28-2017, 07:21 PM   #3
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Well they shell out for nvidia GPU because where is Vega. We are still waiting for custom PCB and cards. It took them 2 years. Working for a manufacture the last 4 years and seeing it take this long was disappointing we were happy with AMD Zen processors but it stinks AMD couldn't hit 2 home runs at once. Don't get me wrong Vega is def a nice card. But again took to long.
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Old 09-28-2017, 07:46 PM   #4
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Quote:
Originally Posted by iVVChewy9141VVi View Post
Well they shell out for nvidia GPU because where is Vega. We are still waiting for custom PCB and cards. It took them 2 years. Working for a manufacture the last 4 years and seeing it take this long was disappointing we were happy with AMD Zen processors but it stinks AMD couldn't hit 2 home runs at once. Don't get me wrong Vega is def a nice card. But again took to long.
Vega was delayed because of HBM2, and when it did come out, supplies didnt last due to crypto currency.. so....
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Old 09-29-2017, 11:12 AM   #5
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I am not sure about nvidia's downfall but Vega is a good product if the scenario and price fits.

I am eager to see the next AMD GPU, I don't think they will have to cut corners this time. There is more money at hand now and things can be fully developed before thrown on the market. Nvidia will have a severe rival soon, I am pretty sure.
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Old 09-30-2017, 08:17 AM   #6
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having a ton of pcie lanes is only useful if you're really doing things that require multiple SSDs running at GB/s, like some how trying to max out your read/writes on multiple drives at once...

most people have 1 videocard, that even running at 16x won't use more bandwidth than 8x, and the chipset will relocate bandwidth to other pcie lanes... have 1 or 2 SSDs and if they have multiple ssds, a single game isn't split between them... most people won't use more bandwidth than 16 pcie lanes will provide, if they even can...



having extra pci-e lanes is a gimmic for the average home user, kinda like if you were to put 16gb vram on a GTX1050 or something....

or how many people do you know that'll be running 4 or 5 SSD's at their max read/write speeds 100% of the time while they're streaming a game running two 1080tis both at 100% load...?
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Old 09-30-2017, 09:31 AM   #7
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Those people will not buy a Threadripper but go for a Ryzen or Intel with a lower core count but higher IPC CPU.

I am thinking of the power you can tab into with a Soho-Server based on TR or Epyc. NVMe are not that much more epxensive anymore and if you go TR then money is usually balanced against performance and not absolut like for a Gamer-PC with a strict budget.


I am looking for a replacement for a 2-Socket Xeon-5650X with min. 64GB RAM and enough drives to host 3-4 Hyper-V machines, Exchange, SQL, Domain, www, maybe more, like SSL-Appliance etc..
Looking at the Dell prices tells me nothing under 18k € will do the job, based on their hardware.
Not including any SW. Sure, its a safe bet, 5y full cover policy etc.. but with a TR or Epyc you can build this for half the money, round about... So I am still wondering if I should follow the TR/Epyc way myself or go Dell. Dell should have Epyc servers soon, that's what I actually hope for. That thing is too sensitive for a home built server.

Still, with such a setup you can tab into speeds that were just not there before, no SAS card had that much raw power. No CPU before offered that flexibility in general.
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Old 09-30-2017, 11:33 AM   #8
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if the Zen + gets an overclock higher than 4.2 Ill get a 2800X direct CPU upgrade for sure next year!

Still cheaper than getting the 7820X I was considering before it was launched (and apparently marginally any faster).
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Old 10-01-2017, 03:09 PM   #9
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Quote:
Originally Posted by BitMaster View Post
I am not sure about nvidia's downfall but Vega is a good product if the scenario and price fits.

I am eager to see the next AMD GPU, I don't think they will have to cut corners this time. There is more money at hand now and things can be fully developed before thrown on the market. Nvidia will have a severe rival soon, I am pretty sure.
Vega woulda been good if it came out on time a year ago, and we'd be on Vega+/Die Shrink right now instead of these 400w monsters.
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Old 10-01-2017, 03:29 PM   #10
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Yep, despite a new performance comparisons between Vega & 1080 + Ti in Forza7 give a clear lead for the AMD GPU I would still get an Nvidia just because of the power draw. That was the worst of all that accompanied it's appearance imho. If it had twice the power, then yes, but twice the power for same at best performance makes it harder to sell.

I am stuck with Nvidia anyway through my Gsync monitor, as long as I use that one I have limited options so to speak.
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