Useful when planning a future computer configuration or upgrading an existing one. Information on Core 2 Duo E8400 and Core i7-1065G7 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 E8400 and Core i7-1065G7 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state.