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[Forbes] AMD Teases External GPU Announcement, Hinting At Universal Laptop Support - Page 2

post #11 of 21
Quote:
Originally Posted by bonami2 View Post

Could you fold from the laptop? Those i3 i5 have lot more power than needed to game at 30fps + in older game... Was playing with a e8400 in bf3


Im interrested in using those pcie adapter on ebay. And drop a 7950 in my t4500 laptop and upgrade it to a t9300. Would be able to give it as a desktop replacement and probably be able to browser smoother with hardware acceleration.


smile.gif

Yes you can. I tested folding after being disappointed with the gaming performance. The only issue is, this puts some strain in the CPU (not for coordinating the CUDA calls, but likely because of the CPU side PCI-e compression.) This then results in noise, and lessened desktop performance (regardless of whether you are using the HD3000 graphics only, or going through the GTX 770.) I also am not a fan of the noise next to my desk, and I use the laptop a lot preventing it from folding 24/7. Just made more sense to have a dedicated folder elsewhere, and my server was not being highly utilized.

I'd also recommend Nvidia > AMD/ATI for eGPUs due to that compression. This would be vital for browser scrolling as that is essentially a 100% copy from the CPU to the GPU (I notice 90-99% PCI-e bus utilization when just scrolling down on a browser, and if that is disrupted, it is "chop city.")
post #12 of 21
Quote:
Originally Posted by Omicron View Post

Yes you can. I tested folding after being disappointed with the gaming performance. The only issue is, this puts some strain in the CPU (not for coordinating the CUDA calls, but likely because of the CPU side PCI-e compression.) This then results in noise, and lessened desktop performance (regardless of whether you are using the HD3000 graphics only, or going through the GTX 770.) I also am not a fan of the noise next to my desk, and I use the laptop a lot preventing it from folding 24/7. Just made more sense to have a dedicated folder elsewhere, and my server was not being highly utilized.

I'd also recommend Nvidia > AMD/ATI for eGPUs due to that compression. This would be vital for browser scrolling as that is essentially a 100% copy from the CPU to the GPU (I notice 90-99% PCI-e bus utilization when just scrolling down on a browser, and if that is disrupted, it is "chop city.")


Great thank you smile.gif


Well i think im just going to give my grandma this laptop like it his. Anyways anything is an upgrade from a pentium 4. Windows 10 with a core 2 duo is super smooth and page open faster than current 300-400$ crappy laptop sold at walmart ahah
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post #13 of 21
Quote:
Originally Posted by Omicron View Post

I actually just signed in to comment on this. You can indeed get an eGPU working on the T420, but the CPU will indeed bottleneck you to the extreme. I upgraded to an i7-2640, and used a P4CH express card adapter along with a GTX 770. After having to mess around with the OS's ACPI table, I was able to get the card to be hotswapped without a Device 12 error (which was a huge pain,) but the card really did not perform as well as I wanted.

The card did wind up using Optimus and enabling PCI-e compression, but there were so many situations where it would sit there either bottlenecked by the 1x PCI-e lane, or the CPU itself. Turns out HWMonitor has a bus monitoring option (and you can use task manager for the CPU,) and when the bus was not being saturated, the CPU was. This was using an external monitor, not streaming it back to the internal LCD.

I definitely think we are heading towards viable eGPU graphics, but this setup was not worth the hassle imo. I wound up just taking the card out and putting it into my server for folding.


Man, I would so buy a messload of USB3 external GPU devices just to run older cards on folding XD, got like 5 cards laying around...
post #14 of 21
I'm really hoping this becomes reality. The i7-6700HQ has more than enough power to run a 970-980-980ti easily. It beats my i5-2500k @ 4.5Ghz in benchmarks...
post #15 of 21
I definitely think eGPUs are the future, but definitely wait until the market/hardware is going to support it. We're getting ready to transition into an era of fairly easy PNP eGPU devices with Thunderbolt 3.0 stuff though. PCI-e 3.0 4x lanes should not bottleneck, but you probably will want a quad core CPU. This external GPU device being touted is likely Thunderbolt as well, although I imagine you probably could do something so that USB 3.0 works with it...

Thunderbolt 3.0 and the recent USB connector are physically the same, from what I have gathered (obviously electrical/protocol different.)
post #16 of 21
Now this... I would pay for. This is the next step to laptop modularity.
post #17 of 21
AMD had a thunderbolt eGPU last year, wouldn't be surprising for them to turn it around and try to make a product from the concept.
    
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post #18 of 21
I wonder what connector(s) they plan on using. Thunderbolt is nice, but I can only find it in laptops that are well above $1k+ (CAD mind you)... and to me, that totally defeats the target for this type of thing. Otherwise, a super low power laptop + a desktop is cheaper, more powerful, and serves more uses.
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post #19 of 21
Yes im buitng it.

Just imagine how huge is the market of notebooks with their GPU's run out of juce.



I mean any laptop with at least Pentium Dual Core, Core i3 / A6, A10 woud game nice when paired with let's Radeon 270X. thumb.gif
But how is it going to connect? HDMI? USB 3.0??



edit: Im aware of cause that picture above shows Razer adapter.
Edited by Pro3ootector - 3/4/16 at 2:15am
post #20 of 21
Will this have increased latency vs internal GPU?
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