Ryzen 9 3900X vs Ryzen 7 5800X3D specs and performance
Our benchmark analysis concludes that the Ryzen 9 3900X performs better than the Ryzen 7 5800X3D. Despite this, the Ryzen 7 5800X3D 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 Ryzen 7 5800X3D that has 8 cores. It also has more threads than the Ryzen 7 5800X3D. These CPUs have different clock speeds. Indeed, the Ryzen 9 3900X has a slightly higher clock speed compared to the Ryzen 7 5800X3D. Also, the Ryzen 9 3900X has a slightly higher turbo speed. Both these chips have an identical TDP (Thermal Design Power). 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 Ryzen 7 5800X3D. Despite this, the Ryzen 7 5800X3D has significantly more L3 cache compared to the Ryzen 9 3900X.
The more cores a CPU has, the better the overall performance will be in parallel workloads such as multitasking. Many CPUs have more threads than cores, this means that each physical core is split into multiple logical cores, making them more efficient. Indeed, the Ryzen 9 3900X has more threads than cores. Each physical core is split into multiple threads.
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