Intel Pentium Dual Core Mobile 2.3GHZ CPU Processor SLGZC
So i opened my old acer laptop to clean it, to find that the cpu is upgradable, its an intel t4500 2.3ghz, the best upgrade with the same TDP and socket is
AW80577T4500 Intel Processor Unboxed OEM
Intel Pentium Dual-Core Mobile T4500 - AW80577GG0521MA