Intel Core i5-11400 vs Intel Core i9-9900

Core i5-11400 vs Core i9-9900 comparison

In our benchmarks, the Core i5-11400 beats the Core i9-9900 in overall performance. Furthermore, our gaming benchmark shows that it also outperforms the Core i9-9900 in all gaming tests too.

With info from our database, we find that the Core i9-9900 has slightly more cores with 8 cores whereas the Core i5-11400 has 6 cores. It also has more threads than the Core i5-11400. These CPUs have different clock speeds. Indeed, the Core i5-11400 has a slightly higher clock speed compared to the Core i9-9900. Despite this, the Core i9-9900 has a slightly higher turbo speed. Both these chips have an identical TDP (Thermal Design Power). This measures the amount of heat they output and can be used to estimate power consumption. The info from our database shows that the Core i5-11400 has more L2 cache than the Core i9-9900. Despite this, the Core i9-9900 has slightly more L3 cache compared to the Core i5-11400.

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 i5-11400 has more threads than cores. Each physical core is split into multiple threads.