i have no clue if this is any help or how correct it is but here
Don't expect the iPhone 3G to gain some huge performance boost either, the iPhone is capable of 620Mhz with it's current ARM processor, however it's clocked at 412Mhz. Probably due to heat and battery consumption.
and some here
The S-GOLD2 implements an ARM926 CPU and supports high-resolution display interface, dedicated camera interface, hardware support for MPEG4 encoding, Java hardware accelerator, and a number of connectivity peripherals including Bluetooth, FM Radio, WLAN, A-GPS and other modules."
if i helped any please thank
here is some more on the chipset i suggest googling the arm processor
info info info