Core 2 duo quad q8400 July 8, 2019 16 32 64 128 Intel core 2 duo quad q8400 Core 2 duo e8400 vs core 2 quad q8400 Core 2 duo e7500 vs core 2 quad q8400 Core 2 duo e8500 vs core 2 quad q8400 Core 2 duo e8600 vs core 2 quad q8400 Core 2 quad q8400 vs core 2 duo e7400 Core 2 duo vs dual core Quad core 2 Duo core 2
