2x7800gt ( SLI ) or...???

R

rotem_46

n00b
Joined
Nov 21, 2005
Messages
7
Hey guys,
I saw that there are 256mb and 512mb of the 7800 GT, when the 512mb is without SLI, its like one card of 512mb...is it better to go with one card of 512mb or two of 256mb with SLI ? Which brand is the best, EVGE, XFX, GIGABYTE etc, regarding the 7800 GT ? or should I get 2 of the 6800GT's ???? or maybe I should go with ATI's cards ??
I don't realy know a lot about video card so please HELP !!!
BTW, I'm gonna get the AMD X2 4400 and if you can recommend a mobo+video card ( I mean, the best ones that goes togather ) it will be great.
THANKS !!!!
 
how much money do you have to spend, and what resolution do you play at?

but bare in mind there is no 7800 gt 512mb.
there are
7800gt 256mb
7800gtx 256mb
7800gtx 512mb

all have the same chip, but the clocks on the chip are higher as you go, and the memory clocks get higher too, substantially so on the 512mb version which has ridicoulous performance, equivalent to two 6800 ultra in sli.

f
 
I'm a noob.

Wouldn't it make sense to get the 512mb card now (which is roughly the same price as getting two 7800GT's) and then add another 512mb later?
 
Bona Fide said:
No I think there is a 7800GT 512MB, just like there was a 6800GT 512MB.
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No there is not.

There is ONLY a 256MB 7800 GT, a 256MB version 7800 GTX and a 512MB version 7800 GTX. Nothing else.

If you went with 2GTs in SLI, you would still only have 256MB of memory, but you would get a lot more GPU power. Almost certainly more than a 512MB GTX. Probably not by too much though. You might get like 1000 more 3DMark05 marks. Not 100% sure.
Wouldn't it make sense to get the 512mb card now (which is roughly the same price as getting two 7800GT's) and then add another 512mb later?
Click to expand...
You would certainly get the best possible performance available right now that way, but think of the money. No telling if he wants to spend that much.
 
ThisMonsterLives said:
Yeah you owned yourself. That's 2 GT's on one PCB. Each with 256MB.
Click to expand...

With this being the killing blow....
With 256MiB of memory per GPU, the card retains 512MiB in total although obviously that full total is never available to just one GPU.
Click to expand...
 
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