Intel Core i5-11400H vs Intel Core i9-9820X

Core i5-11400H vs Core i9-9820X specs and performance

Our benchmark analysis concludes that the Core i9-9820X performs better than the Core i5-11400H. Despite this, the Core i5-11400H has the advantage in our gaming benchmark.

When comparing core counts for these CPUs, we notice that the Core i9-9820X has significantly more cores with 10 cores compared to the Core i5-11400H that has 6 cores. It also has more threads than the Core i5-11400H. Our comparison shows that the Core i9-9820X has a slightly higher clock speed compared to the Core i5-11400H. Despite this, the Core i5-11400H has a slightly higher turbo speed. A Core i5-11400H CPU outputs less heat than a Core i9-9820X CPU because of its 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 i5-11400H has more threads than cores. Each physical core is split into multiple threads.