tegra4 36489 antutu, but it remains to be seen if they can get that in a phone at 1.9ghz. Though it seems 1.8ghz would be very close or above S800 here anyway. I'm wondering what battery life would be like at 1.7-1.8ghz (all A15's suck power, but samsung is running theirs so we'll have to see). Samsung has theirs at 1.6ghz, so even 1.7 seems doable & should be not much of a loss vs. S800. So the question is the gpu and actual perf in games (and who looks better), not to mention we have nothing on the power use of S800 yet or T4 for that matter, but we should have an idea with shield in a few weeks. Curious about the price also, though with previous socs from NV being $23-25 not sure this makes much difference in a build price...LOL. Also who knows how bad it would be in battery with a modem added. I'm guessing S800 comes out pretty good in the phone fight, but T4 is aimed at tablets sans modem.
T4i is a whole other issue as it's aimed at $100-200 phones with larger sales volumes so NV should do pretty well on both fronts. In a tablet S800 clearly loses in cpu already, so again only the gpu is in questions. Even at 2.3ghz S800 cpu won't win in a tablet (100mhz doesn't make up 4000 points in antutu).