Ryzen 7 7840U vs Ryzen 9 8945HX benchmarks
According to the hardwareDB Benchmark tool, the Ryzen 9 8945HX is faster than the Ryzen 7 7840U. Despite this, the Ryzen 7 7840U 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 Ryzen 7 7840U that has 8 cores. It also has more threads than the Ryzen 7 7840U. With our hardware info, we find that the Ryzen 7 7840U has a slightly higher clock speed than the Ryzen 9 8945HX. Despite this, the Ryzen 9 8945HX has a slightly higher turbo speed. A Ryzen 7 7840U CPU outputs less heat than a Ryzen 9 8945HX CPU because of its 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 Ryzen 7 7840U. The Ryzen 9 8945HX also has significantly more L3 cache.
The more cores a CPU has, the better the overall performance will be in parallel workloads such as multitasking. Many CPUs have more threads than cores, this means that each physical core is split into multiple logical cores, making them more efficient. Indeed, the Ryzen 7 7840U has more threads than cores. Each physical core is split into multiple threads.
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