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[MacRumors]External Thunderbolt PCI Expansion Chassis and Hub in Development - Page 2

post #11 of 49
Quote:
Originally Posted by ChronoBodi View Post
yea, me too, considering i have a Macbook pro 15 inch with a i7 2730qm, and the single-thread performance of that is 1.21 on STOCK, which beats my desktop's overclocked Phenom ii score of 1.16

This thunderbolt external GPU, if done right, will truly mean the death of desktop itself.
I agree to an extent. I think this could kill the consumer desktop market; the people who do not build their own computers. There will always be a place for massive, high-powered workstations though. I too have that macbook pro and would sell my desktop if I could have an external graphics solution like this.
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post #12 of 49
Current thunderbolt tech will only deliver 20 gbits, which is about the same speed as AGP.
    
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post #13 of 49
Thunderbolt runs at PCi-e X4, and still get about 90% the performance of the full PCi-e x16 lane, which is not too bad.
     
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post #14 of 49
According to Wiki PCI-E x16 v2.0 is 8GB/s in each direction which would be 64Gb/s in each direction and thunderbolt has only 20Gb/s in each direction.
post #15 of 49
Thread Starter 
Thunderbolt only does 10Gbps in each direction for a total maximum of 20Gb/s. That's 1.25GB/s.
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post #16 of 49
Quote:
Originally Posted by tagurtoast View Post
this would actually convince me to sell my gaming pc and buy a macbook pro + one of these.

I wonder if you could manage to link two up for SLI/CF
Just curious is your sig rig your gaming rig? if so

Certainly would be nice to have one to take on the go but I could not see replacing a gaming desktop with a laptop. Wouldn't a laptop CPU bottle neck like crazy on high end cards? Especially multiple videocards.
    
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post #17 of 49
Quote:
Originally Posted by Am* View Post
So this would finally make the idea of external GPUs for laptops a reality? Yes please, I'll take 10...

They should just make sure to sell a few external power supplies to go with that dock in order to power some beasty graphics cards.
4x GTX 580's please.
   
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post #18 of 49
Quote:
Originally Posted by Am* View Post
So this would finally make the idea of external GPUs for laptops a reality? Yes please, I'll take 10...
My Lenovo W500 has the option to add a PCI-E x16 graphics card via the Advanced Dock but it's only electrically x1. So it's been done before but the existing solutions aren't viable for hardcore gaming.

It's a bit of an oddball laptop. It has both ATI and Intel graphics which are switchable via the power manager. This predates both ATI Hybrid Graphics and Nvidia Optimus so it's Lenovo's own special implementation.
Edited by AMD20x6 - 10/1/11 at 9:39pm
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post #19 of 49
Quote:
Originally Posted by ChronoBodi View Post
yea, me too, considering i have a Macbook pro 15 inch with a i7 2730qm, and the single-thread performance of that is 1.21 on STOCK, which beats my desktop's overclocked Phenom ii score of 1.16

This thunderbolt external GPU, if done right, will truly mean the death of desktop itself.
    
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post #20 of 49
Quote:
Originally Posted by steelbom View Post
Thunderbolt only does 10Gbps in each direction for a total maximum of 20Gb/s. That's 1.25GB/s.

From Anandtech.com

40Gb/s total it has two channels. I'm not sure if you were talking about one channel or not.
Edited by Lt.JD - 10/1/11 at 9:53pm
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