Core i9-11900K vs Ryzen 9 8945HX comparison
According to the hardwareDB Benchmark tool, the Ryzen 9 8945HX is faster than the Core i9-11900K. Despite this, the Core i9-11900K has the advantage in our gaming benchmark.
When comparing core counts for these CPUs, we notice that the Ryzen 9 8945HX has significantly more cores with 16 cores compared to the Core i9-11900K that has 8 cores. It also has more threads than the Core i9-11900K. Our comparison shows that the Core i9-11900K has a slightly higher clock speed compared to the Ryzen 9 8945HX. Despite this, the Ryzen 9 8945HX has a slightly higher turbo speed. The Ryzen 9 8945HX outputs less heat than Core i9-11900K 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 8945HX has significantly more L2 cache than the Core i9-11900K. The Ryzen 9 8945HX 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 Core i9-11900K has more threads than cores. Each physical core is split into multiple threads.
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