
Originally Posted by
LordEC911
As to your first parts, you are correct, dual GPU cards like the 4870x2 don't increase the bandwidth vs a single GPU card but it also doesn't decrease it.
Each 800SP/40TMU/16ROP RV770 has 115GBps of bandwidth vs a 1600SP/80TMU/32ROP RV870 that has 160GBps.
Basically you are, possibly, more than doubling the potential throughput of the 5870 while only increasing bandwidth 39%, which was my original point.
Sure you don't have the inefficiencies of AFR and a dualGPU setup but you also run into other potential problems/bottlenecks.
I just have a feeling that we are in for a few surprises when we actually get to take a look at the architecture and performance, there is obviously quite a bit of tweaks/info that we haven't heard about/thought about.
PS- Before those Vantage scores were leaked, there was talk about Cypress running near 4890CF, which would put it in the same league as a GTX295.
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