Ryzen 9 4900HS vs Ryzen 5 7640HS comparison
Our benchmark analysis concludes that the Ryzen 5 7640HS performs better than the Ryzen 9 4900HS. Furthermore, our gaming benchmark shows that it also outperforms the Ryzen 9 4900HS in all gaming tests too.
When comparing core counts for these CPUs, we notice that the Ryzen 9 4900HS has slightly more cores with 8 cores compared to the Ryzen 5 7640HS that has 6 cores. It also has more threads than the Ryzen 5 7640HS. Our comparison shows that the Ryzen 5 7640HS has a significantly higher clock speed compared to the Ryzen 9 4900HS. Also, the Ryzen 5 7640HS has a slightly higher turbo speed. A Ryzen 9 4900HS CPU outputs less heat than a Ryzen 5 7640HS CPU because of its significantly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption. In terms of cache, the Ryzen 5 7640HS has significantly more L2 cache when compared to the Ryzen 9 4900HS. The Ryzen 5 7640HS 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 4900HS has more threads than cores. Each physical core is split into multiple threads.
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