Intel Core i7-11700K vs AMD Ryzen 9 7900X

Core i7-11700K vs Ryzen 9 7900X benchmarks

Our benchmark analysis concludes that the Ryzen 9 7900X performs better than the Core i7-11700K. Furthermore, our gaming benchmark shows that it also outperforms the Core i7-11700K in all gaming tests too.

In terms of the number of cores of each of these CPUs, the Ryzen 9 7900X has significantly more cores than the Core i7-11700K. Indeed, the Ryzen 9 7900X has 12 cores compared to 8 cores found in the Core i7-11700K. It also has more threads than the Core i7-11700K. Our comparison shows that the Ryzen 9 7900X has a slightly higher clock speed compared to the Core i7-11700K. Also, the Ryzen 9 7900X has a slightly higher turbo speed. A Core i7-11700K CPU outputs less heat than a Ryzen 9 7900X 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 7900X has significantly more L2 cache than the Core i7-11700K. The Ryzen 9 7900X 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 i7-11700K has more threads than cores. Each physical core is split into multiple threads.