AMD Ryzen 9 5900X vs Intel Core i7-5820K

Ryzen 9 5900X vs Core i7-5820K specs and performance

In our benchmarks, the Ryzen 9 5900X beats the Core i7-5820K in overall performance. Furthermore, our gaming benchmark shows that it also outperforms the Core i7-5820K in all gaming tests too.

When comparing core counts for these CPUs, we notice that the Ryzen 9 5900X has significantly more cores with 12 cores compared to the Core i7-5820K that has 6 cores. It also has more threads than the Core i7-5820K. These CPUs have different clock speeds. Indeed, the Ryzen 9 5900X has a slightly higher clock speed compared to the Core i7-5820K. Also, the Ryzen 9 5900X has a slightly higher turbo speed. A Ryzen 9 5900X CPU outputs less heat than a Core i7-5820K CPU because of its slightly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption.

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 5900X has more threads than cores. Each physical core is split into multiple threads.