Ryzen 9 7900X3D vs Ryzen 9 8945HX benchmarks
Our benchmark analysis concludes that the Ryzen 9 7900X3D performs better than the Ryzen 9 8945HX. Furthermore, our gaming benchmark shows that it also outperforms the Ryzen 9 8945HX in all gaming tests too.
In terms of the number of cores of each of these CPUs, the Ryzen 9 8945HX has slightly more cores than the Ryzen 9 7900X3D. Indeed, the Ryzen 9 8945HX has 16 cores compared to 12 cores found in the Ryzen 9 7900X3D. It also has more threads than the Ryzen 9 7900X3D. Our comparison shows that the Ryzen 9 7900X3D has a significantly higher clock speed compared to the Ryzen 9 8945HX. Also, the Ryzen 9 7900X3D has a slightly higher turbo speed. The Ryzen 9 8945HX outputs less heat than Ryzen 9 7900X3D 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 slightly more L2 cache than the Ryzen 9 7900X3D. Despite this, the Ryzen 9 7900X3D has significantly more L3 cache compared to the Ryzen 9 8945HX.
Modern CPUs generally have more logical cores than physical cores, this means that each core is split into multiple virtual cores, improving efficiency for parallel workloads. Indeed, the Ryzen 9 7900X3D has more threads than cores. Each physical core is split into multiple threads.
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