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DIRECT X 10 AND PCI EXPRESS OVER AGP SLOT

Forum Graphic & Displays : Graphics Cards - DIRECT X 10 AND PCI EXPRESS OVER AGP SLOT

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Andwele   11-26-2006 at 04:36:40 PM

DIRECT X 10- WHEN IS IT COMING OUT
IS PCI EXPRESS FASTER THAN AN AGP SLOT

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prozac26   11-26-2006 at 04:38:41 PM
- 0 +

DX10 is coming out when Windows Vista comes out.

PCI Express is capable of double the bandwidth of an AGP sot, but current cards cannot take advantage of the extra available bandwidth.

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melarcky   11-26-2006 at 04:58:59 PM
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Quote :

DX10 is coming out when Windows Vista comes out.

PCI Express is capable of double the bandwidth of an AGP sot, but current cards cannot take advantage of the extra available bandwidth.


yes exactly but one problem, i highly doubt they will make an AGP Dx10 card

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mesarectifier   11-26-2006 at 05:13:15 PM
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Quote :

yes exactly but one problem, i highly doubt they will make an AGP Dx10 card



Not just highly doubt...they won't.

Seeing as they didn't make AGP versions of the best of the current generation of cards.

Reply to mesarectifier
konfuzd   11-26-2006 at 05:48:14 PM
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They did make AGP versions of current cards. AFAIK there's an AGP X1950 pro and a 7800 something. But these will be the last of the AGP cards because dx10 cards are designed to do more general purpose computing. This requires lots of bidirectional bandwidth, something the 1.0 spec of PCIe mearly adequate for. Since a 16x PCIe slot offers 8GB/s total bandwidth (4GB/s up/down), 8x AGP's 2.1GB/s simply won't cut it.

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mesarectifier   11-26-2006 at 05:54:57 PM
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I know, but there are no AGP versions of say, 1900XT(X) or 7900GT(X).

I'm only using common sense/logic here, no real bi-directional this that and the other to back it up.

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TheGreatGrapeApe   11-27-2006 at 09:43:55 AM
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Quote :

I know, but there are no AGP versions of say, 1900XT(X) or 7900GT(X).



Actually there is an AGP variant of the GF7900GT, just not in the US;

http://www.overclockers.co.uk/show [...] =GX-032-GW

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mitch074   11-27-2006 at 10:34:10 AM
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Let's say that while it's not impossible (Nvidia's translator chip is generic enough to work with newer chips) it is highly improbable that we'll see DX10 cards on AGP slots.

About bidirectional throughput, for gaming cards it is not really that relevant - as games don't need that much GPU-to-RAM bandwidth. Other uses are still marginal enough to make it a non-issue.

Reply to mitch074
pshrk   11-27-2006 at 11:35:01 AM
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Was waiting for that, nice one! lol.

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