Originally posted by: coldpower27
Originally posted by: kpb
Originally posted by: coldpower27
If Nvidia were to introduce a 7600 variant on 6600 PCB, I am hoping for these specs, 16 Pipes/8 ROP/6 VS/G73 Core/High Clocks/1.2ns GDDR3 minimum. This should be powerful enough to displace the 6800 GS, even with it's 256Bit Memory Interface. Probably 249US for the 256MB version, with 199US being for the 128MB one.
Then for a 7200 I think Nvidia will still be cheap and make it 4 Pipes. Were likely looking at DDR2 memory on the high end version.
16 pipes, 6 vertex shaders and 8 Rop's almost 6800gt specs (gt has 16rops otherwise the same). The 6800gs with only 8 rops doesn't seem to suffer much so i'd say this card would basically be a 6800gt with the new 7000 series tweaks/features and 128 bit memory interface. With the memroy interface cut in half you'd need to get upto 2ghz effective speed to keep the memory bandwidth the same. Presumably high clocks would mean greater than the gt's 350 mhz speek. Assuming I did my math right you'd be looking at about 1.6 ghz with 1.2 ns ram. That would give you 80% of the memory bandwidth and at least as much processing power if not more from tweaks from the 7000 series architecture and a possibly higher clock speed. This just screams to me that it's gonna memory interface limited in lots of situations.
ATI seems to be trying this with the x1600 in the 250ish market right now and they are getting solidly beat is almost all test by the 256 bit products. It would be a bad idea for nvidia to follow that lead.
The ATI situation is a bit different, RV530 is severely crippled in certain areas, it may have 12 Pixel Shaders/ 5 VS configuration, but it only has 4 TMU, if it could at least output 8 pixel per clock I doubt it would be having this problem of being such a minor improvement in performance to the 6600 GT. The 4-1-3-2 Conifguration isn'r really working out I believe.
Memory bandwidth isn't as wonderful as we might think, the 9800 Pro is defeated in most cases by the 6600 GT with less bandwidth.
Acutally I might change my mind on this, I think a 500MHZ Core 12Pixel/5 VS/G73 Core/GDDR3 1.2ns/8 ROP. Should be allright perhaps the memory is clocked at 1.5GHZ.
Bascially the same as NV42 except being on 90nm and having higher clocks, and G7x technology, and limited to 128Bit PCB's.
This won't displace the more expensive rumored specs of the 7800 GS of 16PS/6VS/375MHZ Core/1000MHZ Memory GDDR3/256Bit Interface.
There isn't much of a choice the 6800 GS and 6600 DDR2 are both more expensive products to produce then the either the X1300 or X1600 XT, as both their die sizes are quite a bit larger, on the order of magnitude of 50% minimum. Nvidia like any business would try to make a better product with similar performance and cheaper price. Not to mention the PCB of the 6800 GS is more complex then the one used on X1600 XT. the 6800 GS offers considerably better performance, at the expense of increased complexity. It's great for consumers though.