Core i5-7600K vs Core i5-9400T specs and performance
In our benchmarks, the Core i5-7600K beats the Core i5-9400T in overall performance. Furthermore, our gaming benchmark shows that it also outperforms the Core i5-9400T in all gaming tests too.
When comparing core counts for these CPUs, we notice that the Core i5-9400T has significantly more cores with 6 cores compared to the Core i5-7600K that has 4 cores. It also has more threads than the Core i5-7600K. These CPUs have different clock speeds. Indeed, the Core i5-7600K has a significantly higher clock speed compared to the Core i5-9400T. Also, the Core i5-7600K has a slightly higher turbo speed. The Core i5-9400T outputs less heat than Core i5-7600K thanks to a significantly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption. In terms of cache, the Core i5-9400T has significantly more L2 cache when compared to the Core i5-7600K. The Core i5-9400T also has significantly more L3 cache.
Most CPUs have more threads than cores. This technology, colloquially called hyperthreading, improves performance by splitting a core into multiple virtual ones. This provides more efficient utilisation of a core. For instance, the Core i5-7600K has the same number of threads as cores. This means the the CPU does not support hyperthreading.
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