Ryzen 9 7945HX3D vs Ryzen 9 7900 benchmarks
In our benchmarks, the Ryzen 9 7900 beats the Ryzen 9 7945HX3D in overall performance. Furthermore, our gaming benchmark shows that it also outperforms the Ryzen 9 7945HX3D in all gaming tests too.
When comparing core counts for these CPUs, we notice that the Ryzen 9 7945HX3D has slightly more cores with 16 cores compared to the Ryzen 9 7900 that has 12 cores. It also has more threads than the Ryzen 9 7900. With our hardware info, we find that the Ryzen 9 7900 has a significantly higher clock speed than the Ryzen 9 7945HX3D. Furthermore, both these CPUs have identical turbo speeds. A Ryzen 9 7945HX3D CPU outputs less heat than a Ryzen 9 7900 CPU because of its slightly 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 7945HX3D has more L2 cache than the Ryzen 9 7900. The Ryzen 9 7945HX3D 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 7945HX3D has more threads than cores. Each physical core is split into multiple threads.
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