It isn't about GFLOPS, it is about graphical performance. GFLOPs don't matter in gaming cards, now if we are using the cards for other things, then we can lookg at GFLOPs. Die size doesn't matter either, it all comes down to performance. The 280GTX outperforms the HD4870, the 260GTX matches the HD4870, despite the bigger die and lower GFLOPs. You are making arguments about things, that in the end, don't matter. Performance and price is all that matters here.