Intel Core i9-9980HK vs Intel Core i7-1355U

Core i9-9980HK vs Core i7-1355U comparison

In our benchmarks, the Core i9-9980HK beats the Core i7-1355U in overall performance. Despite this, the Core i7-1355U has the advantage in our gaming benchmark.

With info from our database, we find that the Core i7-1355U has slightly more cores with 10 cores whereas the Core i9-9980HK has 8 cores. Despite this, the Core i9-9980HK has more threads than the Core i7-1355U. Our comparison shows that the Core i9-9980HK has a slightly higher clock speed compared to the Core i7-1355U. Furthermore, both these CPUs have identical turbo speeds. The cache sizes of these CPUs are different. Indeed, the Core i7-1355U has significantly more L2 cache than the Core i9-9980HK. Despite this, the Core i9-9980HK has slightly more L3 cache compared to the Core i7-1355U.

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 i9-9980HK has more threads than cores. Each physical core is split into multiple threads.