AMD Ryzen 9 5900X vs Intel Core i5-8600K

Ryzen 9 5900X vs Core i5-8600K specs and performance

In our benchmarks, the Ryzen 9 5900X beats the Core i5-8600K in overall performance. Furthermore, our gaming benchmark shows that it also outperforms the Core i5-8600K in all gaming tests too.

In terms of the number of cores of each of these CPUs, the Ryzen 9 5900X has significantly more cores than the Core i5-8600K. Indeed, the Ryzen 9 5900X has 12 cores compared to 6 cores found in the Core i5-8600K. It also has more threads than the Core i5-8600K. Our comparison shows that the Ryzen 9 5900X has a slightly higher clock speed compared to the Core i5-8600K. Also, the Ryzen 9 5900X has a slightly higher turbo speed. The Core i5-8600K outputs less heat than Ryzen 9 5900X thanks to a slightly 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 5900X has more L2 cache than the Core i5-8600K. The Ryzen 9 5900X 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. Indeed, the Ryzen 9 5900X has more threads than cores. Each physical core is split into multiple threads.