AMD Ryzen 9 3900X vs Intel Core i5-11600KF

Ryzen 9 3900X vs Core i5-11600KF benchmarks

Our benchmark analysis concludes that the Ryzen 9 3900X performs better than the Core i5-11600KF. Despite this, the Core i5-11600KF has the advantage in our gaming benchmark.

When comparing core counts for these CPUs, we notice that the Ryzen 9 3900X has significantly more cores with 12 cores compared to the Core i5-11600KF that has 6 cores. It also has more threads than the Core i5-11600KF. With our hardware info, we find that the Core i5-11600KF has a slightly higher clock speed than the Ryzen 9 3900X. Also, the Core i5-11600KF has a slightly higher turbo speed. A Ryzen 9 3900X CPU outputs less heat than a Core i5-11600KF 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 3900X has more L2 cache than the Core i5-11600KF. 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.