what are differences between NV40 and NV48 ??

tranphuloc · Post by **tranphuloc** » Thu Feb 09, 2006 9:36 am

I've just bought a Nvidia 6800 Ultra VGA card..its GPU is NV48 !! with a price $ 255 USD. !!!

but I'm wonder that ...what are differences between NV40 and NV48 although they both Geforce 6800 Ultra ??

Post by **Apoptosis** » Thu Feb 09, 2006 10:08 am

GeForce 6800 Ultra ----> NV40

GeForce 6800 Ultra w/ 512MB Memory ----> NV48

tranphuloc · Post by **tranphuloc** » Thu Feb 09, 2006 11:13 am

BUt...my 6800Ultra is 256MB..I can't find any info about this card 'cause nVidia dont produce it any longer...

Post by **Apoptosis** » Thu Feb 09, 2006 11:17 am

it was just an update to the original 6800 (NV40) core.

tranphuloc · Post by **tranphuloc** » Thu Feb 09, 2006 11:38 am

thx so much ...!!

Driver fo this card is really difficult to find

tranphuloc · Post by **tranphuloc** » Thu Feb 09, 2006 11:39 am

Because when I install 81.98 Driver..It didnt work

Kerii · Post by **Kerii** » Thu Feb 09, 2006 1:09 pm

NV48 is just an NV45 with 512MB of RAM, all the specs are the same.

And essentially, the only difference between NV45 and NV40 is that NV45 has an integrated HSI chip for PCIe compatibility.