Intel Core i7-7700K vs AMD Ryzen 9 9900X

Core i7-7700K vs Ryzen 9 9900X comparison

Our benchmark analysis concludes that the Ryzen 9 9900X performs better than the Core i7-7700K. Furthermore, our gaming benchmark shows that it also outperforms the Core i7-7700K in all gaming tests too.

When comparing core counts for these CPUs, we notice that the Ryzen 9 9900X has significantly more cores with 12 cores compared to the Core i7-7700K that has 4 cores. It also has more threads than the Core i7-7700K. Our comparison shows that the Ryzen 9 9900X has a slightly higher clock speed compared to the Core i7-7700K. Also, the Ryzen 9 9900X has a slightly higher turbo speed. A Core i7-7700K 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 info from our database shows that the Ryzen 9 9900X has more L2 cache than the Core i7-7700K. The Ryzen 9 9900X also has significantly more L3 cache.

Most CPUs have more threads than cores. This technology, colloquially called hyperthreading, improves performance by splitting a core into multiple virtual ones. This provides more efficient utilisation of a core. Indeed, the Core i7-7700K has more threads than cores. Each physical core is split into multiple threads.