AMD Ryzen 9 3900XT vs Intel Core i9-9900

Ryzen 9 3900XT vs Core i9-9900 benchmarks

In our benchmarks, the Ryzen 9 3900XT beats the Core i9-9900 in overall performance. Furthermore, our gaming benchmark shows that it also outperforms the Core i9-9900 in all gaming tests too.

With info from our database, we find that the Ryzen 9 3900XT has significantly more cores with 12 cores whereas the Core i9-9900 has 8 cores. It also has more threads than the Core i9-9900. Our comparison shows that the Ryzen 9 3900XT has a slightly higher clock speed compared to the Core i9-9900. Despite this, the Core i9-9900 has a slightly higher turbo speed. The Core i9-9900 outputs less heat than Ryzen 9 3900XT thanks to a significantly 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 3900XT has significantly more L2 cache than the Core i9-9900. The Ryzen 9 3900XT also has significantly more L3 cache.

Modern CPUs generally have more logical cores than physical cores, this means that each core is split into multiple virtual cores, improving efficiency for parallel workloads. Indeed, the Ryzen 9 3900XT has more threads than cores. Each physical core is split into multiple threads.