Core 2 duo quad July 8, 2019 16 32 64 128 Core 2 duo quad q8400 Core 2 duo quad q9650 Intel core 2 duo quad q6600 Intel core 2 duo quad q9550 Intel core 2 duo quad q9650 Intel core 2 duo quad q8400 Intel core 2 duo quad q8200 Intel core 2 duo quad q8300 Core 2 duo vs quad Intel core 2 duo vs quad
