Ryzen 9 3900X vs Ryzen 9 7900X comparison
In our benchmarks, the Ryzen 9 7900X beats the Ryzen 9 3900X in overall performance. Furthermore, our gaming benchmark shows that it also outperforms the Ryzen 9 3900X in all gaming tests too.
When comparing these CPUs we notice that they have the same number of cores and the same number of threads. With our hardware info, we find that the Ryzen 9 7900X has a slightly higher clock speed than the Ryzen 9 3900X. Also, the Ryzen 9 7900X has a slightly higher turbo speed. A Ryzen 9 3900X CPU outputs less heat than a Ryzen 9 7900X CPU because of its significantly 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 7900X has more L2 cache than the Ryzen 9 3900X. However, both these chips have the same amount of 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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