PsychoCoder, on 22 Apr, 2008 - 07:30 AM, said:
I upgraded to the NVIDIA GeForce 9600GT 1GB card, but noticed a somewhat slower response time than my 8800GTS, Ive read from a few people on gaming forums that they thought the 8800GTS had better performance than the 9600GT, so I can now verify that it is true (for some strange reason). I decided to put my 8800GTS back in, and it actually raised my Vista Rating Index.
Does anyone know why:
- The 8800GTS performs better than the 9600GT?
- The 8800GTS gives me a better index than the 9600GT?
Well, this a long story of benchmarketing. Many people believe that if they buy something that has a bigger number in it's name, it will be better/faster. So marketing people will utilize it over and over again. (like video cards with 1GB of RAM, you'll see probably no difference compared to the same with 512MB, just in some really special)
Back to the actual case. There were 2 kinds of 8800GTS cards around. The original shipped with 320 and 640MB RAM, the new with 512. You can dig up the details, but the main difference was that the new GTS is based on a slightly more advanced core, and it has more "stream processors": 128 vs 96, but the memory data width is less: 256 vs 320bit.
The 9600 is the same marchitecture as the new 8800, but with some minor tweaks (it can be shut down dynamically if integrated graphics is present, but the chipset has to support it as well). However it has only 64 stream processors, so performance is halved! (all other parameters like memory and clock speed are roughly the same).
Finally, as I wrote earlier, the 1G RAM does not hold and real life advantage over the 512M, since it is only used when massive antialiasing and filtering is used, but due to the small number of processing units, it would not make any sense at all.
Nvidia is blamed quite a lot for the 9xxx series, as they are just a small iteration over the 8xxx, and the new model numbers are simply not justified by the improvements.

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