Intel Core i5-8400 vs AMD Ryzen 9 5900HX

Core i5-8400 vs Ryzen 9 5900HX benchmarks

Our benchmark analysis concludes that the Ryzen 9 5900HX performs better than the Core i5-8400. Furthermore, our gaming benchmark shows that it also outperforms the Core i5-8400 in all gaming tests too.

In terms of the number of cores of each of these CPUs, the Ryzen 9 5900HX has slightly more cores than the Core i5-8400. Indeed, the Ryzen 9 5900HX has 8 cores compared to 6 cores found in the Core i5-8400. It also has more threads than the Core i5-8400. These CPUs have different clock speeds. Indeed, the Ryzen 9 5900HX has a slightly higher clock speed compared to the Core i5-8400. Also, the Ryzen 9 5900HX has a slightly higher turbo speed. The Ryzen 9 5900HX outputs less heat than Core i5-8400 thanks to a significantly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption. The info from our database shows that the Ryzen 9 5900HX has more L2 cache than the Core i5-8400. The Ryzen 9 5900HX also has significantly more L3 cache.

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. For instance, the Core i5-8400 has the same number of threads as cores. This means the the CPU does not support hyperthreading.