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7800 GS AGP vs 7800 GT PCIe


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#1
anoobrew

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Y does the 7800 GS(agp 460/1350) have higher clock speeds than the 7800 GT(PCIe 450/1100)
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#2
warriorscot

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dont you mean 6800GS.
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#3
anoobrew

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NO
THE NEW 7800 GS AGP
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#4
Thebinaryman

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that is because it has fewer pixel pipelines, and thus putting out a lower bandwith than the gt.
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#5
Thebinaryman

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and they also sell 6600gt's with 500mhz gpu speeds, but those only have 8 pixel pipelines, and the gpu is lesser to begin with, so speed alone does not make a card better (not that the 6600gt is bad)
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#6
anoobrew

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yah but its like the same GPU how come they get lower speeds out of the PCIe version?
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#7
jrm20

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Yeah its new, I saw it at newegg.com It only comes in agp version.
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#8
warriorscot

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The 6600GT is not bad its awful, i never noticed they released it but Nvidia releases dont get the same publicity here considering how cheap all the rest are, you would have to be nuts to buy anything nvidia in the UK.

Itll be the same deal as the 6800GS fewer pipelines faster speed as fewer pipelines less heat output, it also depends on what the manufacturer sets the clock frequency at they can go higher and lower from the standard depending on what the spec they want and how good the cooler is.
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#9
anoobrew

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So i probably couldnt OC my 7800 gt to 460/1350, rite? unless i had aftermarket cooling?
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#10
Thebinaryman

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well you always could, just it may not be safe.

if you use coolbits, you can go into your nvidia options there for overclocking, and there is a button "test these settings" and "detect best setting" or something like that, that will do as they say, and it will find the highest mhz setting that runs at a safe temperature. once ran a geforce fx5200 at 294/499 (normally 250/400 or something) cause it said it was safe at that speed. whoooo it was fast. and that was with the stock cooler.

Edited by Thebinaryman, 08 February 2006 - 04:18 PM.

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#11
anoobrew

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Thx whats coolbits?
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#12
Thebinaryman

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http://downloads.gur...oad.php?det=815

its a .reg file (right click it to merge with you registry) that unlocks the settings in the nvida control panel for overclocking.
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#13
anoobrew

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Thx, my 7800 gt is now overclocked to 503/1180
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#14
anoobrew

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yah ............my comp crashed. I guess it was too much, was it becuase it got too hot?
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#15
Thebinaryman

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yeah, i guess so, that was a pretty big jump you made, a good rule of thumb is to put it up a notch or two, test, (test on full load of gaming for like 10 min.), then up it again, etc. with good cooling you probably could obtain those speeds and higher quite stabley, so it may be worth some more $$ for good cooling.
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