Intel Core i5-10400 vs AMD Ryzen 9 9900X

Core i5-10400 vs Ryzen 9 9900X benchmarks

In our benchmarks, the Ryzen 9 9900X beats the Core i5-10400 in overall performance. Furthermore, our gaming benchmark shows that it also outperforms the Core i5-10400 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 i5-10400 has 6 cores. It also has more threads than the Core i5-10400. Our comparison shows that the Ryzen 9 9900X has a significantly higher clock speed compared to the Core i5-10400. Also, the Ryzen 9 9900X has a slightly higher turbo speed. A Core i5-10400 CPU outputs less heat than a Ryzen 9 9900X CPU because of its significantly 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 i5-10400. 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 i5-10400 has more threads than cores. Each physical core is split into multiple threads.