Intel Core i7-1255U vs AMD Ryzen 9 6900HX

Core i7-1255U vs Ryzen 9 6900HX comparison

Our benchmark analysis concludes that the Ryzen 9 6900HX performs better than the Core i7-1255U. Furthermore, our gaming benchmark shows that it also outperforms the Core i7-1255U in all gaming tests too.

When comparing core counts for these CPUs, we notice that the Core i7-1255U has slightly more cores with 10 cores compared to the Ryzen 9 6900HX that has 8 cores. Despite this, the Ryzen 9 6900HX has more threads than the Core i7-1255U. These CPUs have different clock speeds. Indeed, the Ryzen 9 6900HX has a significantly higher clock speed compared to the Core i7-1255U. Also, the Ryzen 9 6900HX has a slightly higher turbo speed. A Core i7-1255U CPU outputs less heat than a Ryzen 9 6900HX CPU because of its significantly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption. In terms of cache, both these CPUs have the same amount of L2 cache. The Ryzen 9 6900HX 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 i7-1255U has more threads than cores. Each physical core is split into multiple threads.