Intel Core i5-10400 vs Intel Core i9-12900K

Core i5-10400 vs Core i9-12900K specs and performance

According to the hardwareDB Benchmark tool, the Core i9-12900K is faster than the Core i5-10400. Furthermore, our gaming benchmark shows that it also outperforms the Core i5-10400 in all gaming tests too.

With info from our database, we find that the Core i9-12900K has significantly more cores with 16 cores whereas the Core i5-10400 has 6 cores. It also has more threads than the Core i5-10400. These CPUs have different clock speeds. Indeed, the Core i9-12900K has a slightly higher clock speed compared to the Core i5-10400. Also, the Core i9-12900K has a slightly higher turbo speed. A Core i5-10400 CPU outputs less heat than a Core i9-12900K CPU because of its 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 i5-10400 has more threads than cores. Each physical core is split into multiple threads.