Ryzen 9 5900 vs Ryzen 7 7745HX specs and performance
Our benchmark analysis concludes that the Ryzen 7 7745HX performs better than the Ryzen 9 5900. Furthermore, our gaming benchmark shows that it also outperforms the Ryzen 9 5900 in all gaming tests too.
When comparing core counts for these CPUs, we notice that the Ryzen 9 5900 has significantly more cores with 12 cores compared to the Ryzen 7 7745HX that has 8 cores. It also has more threads than the Ryzen 7 7745HX. Our comparison shows that the Ryzen 7 7745HX has a slightly higher clock speed compared to the Ryzen 9 5900. Also, the Ryzen 7 7745HX has a slightly higher turbo speed. The Ryzen 7 7745HX outputs less heat than Ryzen 9 5900 thanks to a slightly 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 7 7745HX has slightly more L2 cache than the Ryzen 9 5900. Despite this, the Ryzen 9 5900 has significantly more L3 cache compared to the Ryzen 7 7745HX.
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 5900 has more threads than cores. Each physical core is split into multiple threads.
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