SLGZC Intel Pentium Dual-Core T4500 2.3GHz Socket P 800MHz Laptop CPU | eBay
Intel Pentium T4500 Dual-Core 2.3GHz 1MB 800MHz Socket P SLGZC CPU Processor | eBay
63Y2128 Lenovo 2.30GHz Pentium Processor
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
Intel Pentium T4500 Dual-Core 2.3GHz 1MB 800MHz Socket P SLGZC CPU Processor | eBay