I really doubt it since the Snapdragon 800 isn't really significantly better than a Tegra 4, and the Tegra 4 delivers about 80 GFLOPS of raw GPU performance. Considering the unified shader architecture shouldn't really have changed in comparison with the X360 design, for instance, it still offers roughly a third of the performance of the GPUs inside the HD twins.
Of course you may argue the Snapdragon processor will run with better RAM and more efficient algorythms, but then again, your real life perfomance will go as far as your bottleneck. Yeah there's also MIPS and GT/s and whatever but I measured it with what I could find, and ARM manufactures and such are very shady with this kind of stuff before it does come out. This and the average per Watt efficiency we have on the 28nm process.
However in three years time you can most likely post this very same thread with no doubts at all.
