Ok...the difference between the Sledgehammer, Troy, and Italy cores is...
- Sledge is a .13u
single core with 800MHz HT
- The Troy is a .09u
single core and 1000MHz HT
- The Italy is also a .09u
dual core with 1000MHz HT
Also, the Sledge hammer only supports up to
SSE2 instruction set whereas the Troy and Italy support up to
SSE3 instructions, this helps out with thread synchronization, multimedia, and gaming. Going from a .13u core to a .09u core will realize some performance increase which may not necessarily equate to being "faster" as 2GHz is 2GHz whether a Sledge or Troy. Going from a .13u to a .09 core also lowers the voltage requirements which in turn means less heat.