Intel Core i5-9400 vs Intel Core i9-9900

The Intel Core i5-9400 and the Intel Core i9-9900 are 9th generation desktop processors from Intel, both based on the Coffee Lake S Refresh architecture and manufactured using the 14 nm process.

The Intel Core i5-9400 is a mid-range processor with 6 cores and 6 threads, equipped with 9 MB of Level 3 Cache and PCIe Version 3.0. The integrated Intel UHD Graphics 630 offers a memory bandwidth of 43 GB/s. In performance comparisons, this processor shows solid single-core and multi-core performance, well-suited for everyday tasks, office applications, and moderate gaming.

Its power consumption and thermal design power are moderate, making it an efficient and cost-effective choice with good value for money for standard desktops. The Intel Core i9-9900, a high-end processor, features 8 cores and 16 threads thanks to Intel Hyper-Threading technology. It offers 16 MB of Level 3 Cache and also supports PCIe Version 3.0.

Here too, the Intel UHD Graphics 630 with 43 GB/s memory bandwidth is integrated. In direct comparison, the Intel Core i9-9900 delivers significantly higher single-core and multi-core performance, ideal for complex workloads, content creation, and demanding gaming. The higher performance results in increased power consumption and thermal design power, which requires more robust cooling.

Its higher price reflects the premium performance it offers professional users.