Ryzen 9 7945HX vs Ryzen 9 7900 comparison
Our benchmark analysis concludes that the Ryzen 9 7945HX performs better than the Ryzen 9 7900. Despite this, the Ryzen 9 7900 has the advantage in our gaming benchmark.
In terms of the number of cores of each of these CPUs, the Ryzen 9 7945HX has slightly more cores than the Ryzen 9 7900. Indeed, the Ryzen 9 7945HX has 16 cores compared to 12 cores found in the Ryzen 9 7900. 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 7945HX. Furthermore, both these CPUs have identical turbo speeds. A Ryzen 9 7945HX 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. In terms of cache, the Ryzen 9 7945HX has slightly more L2 cache when compared to the Ryzen 9 7900. However, both these chips have the same amount of L3 cache.
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 7945HX has more threads than cores. Each physical core is split into multiple threads.
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