AMD Ryzen 9 3900X vs Intel Core i9-10900K

Ryzen 9 3900X vs Core i9-10900K comparison

Our benchmark analysis concludes that the Core i9-10900K performs better than the Ryzen 9 3900X. Furthermore, our gaming benchmark shows that it also outperforms the Ryzen 9 3900X in all gaming tests too.

With info from our database, we find that the Ryzen 9 3900X has slightly more cores with 12 cores whereas the Core i9-10900K has 10 cores. It also has more threads than the Core i9-10900K. These CPUs have different clock speeds. Indeed, the Ryzen 9 3900X has a slightly higher clock speed compared to the Core i9-10900K. Despite this, the Core i9-10900K has a slightly higher turbo speed. A Ryzen 9 3900X CPU outputs less heat than a Core i9-10900K 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 3900X has significantly more L2 cache than the Core i9-10900K. The Ryzen 9 3900X 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 Ryzen 9 3900X has more threads than cores. Each physical core is split into multiple threads.