Ryzen 9 3900X vs Ryzen 3 4300U specs and performance
Our benchmark analysis concludes that the Ryzen 9 3900X performs better than the Ryzen 3 4300U. Furthermore, our gaming benchmark shows that it also outperforms the Ryzen 3 4300U in all gaming tests too.
With info from our database, we find that the Ryzen 9 3900X has significantly more cores with 12 cores whereas the Ryzen 3 4300U has 4 cores. It also has more threads than the Ryzen 3 4300U. With our hardware info, we find that the Ryzen 9 3900X has a slightly higher clock speed than the Ryzen 3 4300U. Also, the Ryzen 9 3900X has a slightly higher turbo speed. The Ryzen 3 4300U outputs less heat than Ryzen 9 3900X 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 3900X has significantly more L2 cache than the Ryzen 3 4300U. 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.
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