AMD Ryzen 9 3900X vs Intel Core i7-8700K

Ryzen 9 3900X vs Core i7-8700K comparison

According to the hardwareDB Benchmark tool, the Ryzen 9 3900X is faster than the Core i7-8700K. Furthermore, our gaming benchmark shows that it also outperforms the Core i7-8700K in all gaming tests too.

In terms of the number of cores of each of these CPUs, the Ryzen 9 3900X has significantly more cores than the Core i7-8700K. Indeed, the Ryzen 9 3900X has 12 cores compared to 6 cores found in the Core i7-8700K. It also has more threads than the Core i7-8700K. With our hardware info, we find that the Ryzen 9 3900X has a slightly higher clock speed than the Core i7-8700K. Despite this, the Core i7-8700K has a slightly higher turbo speed. The Core i7-8700K outputs less heat than Ryzen 9 3900X thanks to a 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 i7-8700K. 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.