Intel Core i9-9900K vs AMD Ryzen 9 9900X

Core i9-9900K vs Ryzen 9 9900X comparison

In our benchmarks, the Ryzen 9 9900X beats the Core i9-9900K in overall performance. Furthermore, our gaming benchmark shows that it also outperforms the Core i9-9900K in all gaming tests too.

With info from our database, we find that the Ryzen 9 9900X has significantly more cores with 12 cores whereas the Core i9-9900K has 8 cores. It also has more threads than the Core i9-9900K. With our hardware info, we find that the Ryzen 9 9900X has a slightly higher clock speed than the Core i9-9900K. Also, the Ryzen 9 9900X has a slightly higher turbo speed. A Core i9-9900K CPU outputs less heat than a Ryzen 9 9900X CPU because of its slightly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption. The cache sizes of these CPUs are different. Indeed, the Ryzen 9 9900X has significantly more L2 cache than the Core i9-9900K. The Ryzen 9 9900X also has significantly more L3 cache.

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 i9-9900K has more threads than cores. Each physical core is split into multiple threads.