Intel Core i9-11900K vs Intel Core i5-2500K

Core i9-11900K vs Core i5-2500K specs and performance

Our benchmark analysis concludes that the Core i9-11900K performs better than the Core i5-2500K. Furthermore, our gaming benchmark shows that it also outperforms the Core i5-2500K in all gaming tests too.

In terms of the number of cores of each of these CPUs, the Core i9-11900K has significantly more cores than the Core i5-2500K. Indeed, the Core i9-11900K has 8 cores compared to 4 cores found in the Core i5-2500K. It also has more threads than the Core i5-2500K. With our hardware info, we find that the Core i9-11900K has a slightly higher clock speed than the Core i5-2500K. Also, the Core i9-11900K has a significantly higher turbo speed. The Core i5-2500K outputs less heat than Core i9-11900K thanks to a slightly 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 i9-11900K has more threads than cores. Each physical core is split into multiple threads.