Ryzen 7 5800X3D vs Ryzen 9 8945HX specs and performance
According to the hardwareDB Benchmark tool, the Ryzen 9 8945HX is faster than the Ryzen 7 5800X3D. Furthermore, our gaming benchmark shows that it also outperforms the Ryzen 7 5800X3D in all gaming tests too.
With info from our database, we find that the Ryzen 9 8945HX has significantly more cores with 16 cores whereas the Ryzen 7 5800X3D has 8 cores. It also has more threads than the Ryzen 7 5800X3D. These CPUs have different clock speeds. Indeed, the Ryzen 7 5800X3D 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 Ryzen 7 5800X3D thanks to a 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 8945HX has more L2 cache than the Ryzen 7 5800X3D. Despite this, the Ryzen 7 5800X3D has significantly more L3 cache compared to the Ryzen 9 8945HX.
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 7 5800X3D has more threads than cores. Each physical core is split into multiple threads.
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