Core i7-8700K vs Ryzen 7 8840U specs and performance
Our benchmark analysis concludes that the Ryzen 7 8840U performs better than the Core i7-8700K. Furthermore, our gaming benchmark shows that it also outperforms the Core i7-8700K in all gaming tests too.
In terms of the number of cores of each of these CPUs, the Ryzen 7 8840U has slightly more cores than the Core i7-8700K. Indeed, the Ryzen 7 8840U has 8 cores compared to 6 cores found in the Core i7-8700K. It also has more threads than the Core i7-8700K. These CPUs have different clock speeds. Indeed, the Core i7-8700K has a slightly higher clock speed compared to the Ryzen 7 8840U. Despite this, the Ryzen 7 8840U has a slightly higher turbo speed. The Ryzen 7 8840U outputs less heat than Core i7-8700K 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 7 8840U has significantly more L2 cache than the Core i7-8700K. The Ryzen 7 8840U also has slightly 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 Core i7-8700K has more threads than cores. Each physical core is split into multiple threads.
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