Originally posted by: wadkar
isn't GTX+ just an overclocked version of GTX?
That, plus a die shrink.
Originally posted by: shangshang
Man I'd be all over a "9800GX2+" if it's under $300.
If such a thing were available, unlikely that they would be under $300 since the performance would be higher than the existing GX2, which is close to the GTX 280 in performance. Also, with the 9800 GTX+ priced at $230, the GX2+ would likely be closer to twice that.
Originally posted by: shangshang
But I'm thinking a 55nm "9800GX2+" (if it exits) is ok with my power supply.
I don't think it works that way. Sure, the die shrink can help with power draw, however that is negated by the higher clocks.
If you have around $300 to spend, then go for the GTX 260. It isn't just the GPU that is faster. It has much more memory bandwidth than the G9x GPUs used in the GX2/GTX/GTX+ and almost twice the texture memory (the 1GB of the GX2 is really 2x512MB, so can't have more than 512MB textures). Also, the GTX 260 should be better in "other" stuff like CUDA, PhysX, Folding.
It all comes down to how much money you have to spend. At around $150 after rebates, the 4850 is tough to beat. The 9800 GTX/GTX+ at $200-230 is pretty nice (much better cooler than 4850). The 4870 and GTX 260 are really nice at $300.