Core i5-12400 vs Core i9-12900H comparison
Our benchmark analysis concludes that the Core i9-12900H performs better than the Core i5-12400. Furthermore, our gaming benchmark shows that it also outperforms the Core i5-12400 in all gaming tests too.
When comparing core counts for these CPUs, we notice that the Core i9-12900H has significantly more cores with 14 cores compared to the Core i5-12400 that has 6 cores. It also has more threads than the Core i5-12400. Both the Core i5-12400 and Core i9-12900H have the same clock speed. Despite this, the Core i9-12900H has a slightly higher turbo speed. The Core i9-12900H outputs less heat than Core i5-12400 thanks to a significantly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption.
The more cores a CPU has, the better the overall performance will be in parallel workloads such as multitasking. Many CPUs have more threads than cores, this means that each physical core is split into multiple logical cores, making them more efficient. Indeed, the Core i5-12400 has more threads than cores. Each physical core is split into multiple threads.
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