Core i9-9900K vs Core i5-12400 specs and performance
According to the hardwareDB Benchmark tool, the Core i9-9900K is faster than the Core i5-12400. Despite this, the Core i5-12400 has the advantage in our gaming benchmark.
When comparing core counts for these CPUs, we notice that the Core i9-9900K has slightly more cores with 8 cores compared to the Core i5-12400 that has 6 cores. It also has more threads than the Core i5-12400. Our comparison shows that the Core i9-9900K has a significantly higher clock speed compared to the Core i5-12400. Also, the Core i9-9900K has a slightly higher turbo speed. The Core i5-12400 outputs less heat than Core i9-9900K thanks to a significantly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption.
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. Indeed, the Core i9-9900K has more threads than cores. Each physical core is split into multiple threads.
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