Useful when planning a future computer configuration or upgrading an existing one. Information on Core 2 Duo T9550 and Core i7-620M compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results. Core 2 Duo T9550 and Core i7-620M basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state.