Intel Core i9-11900K vs AMD Ryzen 9 7900X

Core i9-11900K vs Ryzen 9 7900X comparison

In our benchmarks, the Ryzen 9 7900X beats the Core i9-11900K in overall performance. Furthermore, our gaming benchmark shows that it also outperforms the Core i9-11900K 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 i9-11900K. Indeed, the Ryzen 9 7900X has 12 cores compared to 8 cores found in the Core i9-11900K. It also has more threads than the Core i9-11900K. With our hardware info, we find that the Ryzen 9 7900X has a slightly higher clock speed than the Core i9-11900K. Also, the Ryzen 9 7900X has a slightly higher turbo speed. A Core i9-11900K 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. In terms of cache, the Ryzen 9 7900X has significantly more L2 cache when compared to the Core i9-11900K. 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 i9-11900K has more threads than cores. Each physical core is split into multiple threads.