Core 2 Quad Q6600 vs Core 2 Quad Q9400 specs and performance
Our benchmark analysis concludes that the Core 2 Quad Q9400 performs better than the Core 2 Quad Q6600. Furthermore, our gaming benchmark shows that it also outperforms the Core 2 Quad Q6600 in all gaming tests too.
When comparing these CPUs we notice that they have the same number of cores and the same number of threads. These CPUs have different clock speeds. Indeed, the Core 2 Quad Q9400 has a slightly higher clock speed compared to the Core 2 Quad Q6600. The Core 2 Quad Q9400 outputs less heat than Core 2 Quad Q6600 thanks to a slightly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption. The cache sizes of these CPUs are different. Indeed, the Core 2 Quad Q6600 has slightly more L2 cache than the Core 2 Quad Q9400
Modern CPUs generally have more logical cores than physical cores, this means that each core is split into multiple virtual cores, improving efficiency for parallel workloads. For instance, the Core 2 Quad Q6600 has the same number of threads as cores. This means the the CPU does not support hyperthreading.
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