Intel Core i9-9900K vs Intel Core i5-1345U

Core i9-9900K vs Core i5-1345U specs and performance

According to the hardwareDB Benchmark tool, the Core i9-9900K is faster than the Core i5-1345U. Furthermore, our gaming benchmark shows that it also outperforms the Core i5-1345U in all gaming tests too.

When comparing core counts for these CPUs, we notice that the Core i5-1345U has slightly more cores with 10 cores compared to the Core i9-9900K that has 8 cores. Despite this, the Core i9-9900K has more threads than the Core i5-1345U. With our hardware info, we find that the Core i9-9900K has a significantly higher clock speed than the Core i5-1345U. Also, the Core i9-9900K has a slightly higher turbo speed. The info from our database shows that the Core i5-1345U has more L2 cache than the Core i9-9900K. Despite this, the Core i9-9900K has slightly more L3 cache compared to the Core i5-1345U.

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 i9-9900K has more threads than cores. Each physical core is split into multiple threads.