Intel Core i5-9400F vs Intel Core i3-12100

The Intel Core i5-9400F is a 9th generation processor (Coffee Lake S Refresh), manufactured using the 14 nm process.

It has 6 cores, 6 threads, 9 MB Level 3 Cache, 43 GB/s memory bandwidth, and supports PCIe 3.0. It is designed for mainstream desktop systems without integrated graphics. The Intel Core i3-12100 belongs to the 12th generation (Alder Lake S), manufactured using the 10 nm process.

It offers 4 cores, 8 threads (Hyper-Threading), 5 MB Level 2 and 12 MB Level 3 Cache, 77 GB/s memory bandwidth, PCIe 5.0, and Intel UHD Graphics 730. It is tailored for entry-level to mid-range systems for office, multimedia, and light gaming. In benchmarks, the Intel Core i3-12100 significantly outperforms the Intel Core i5-9400F in both single-core and multi-core performance.

For gaming scenarios, the Intel Core i3-12100 is the superior choice, thanks to its higher single-core performance and PCIe 5.0 support compared to the PCIe 3.0 of the Intel Core i5-9400F. The higher memory bandwidth also contributes. The Intel Core i3-12100 shows higher energy efficiency due to its 10 nm process than the 14 nm Intel Core i5-9400F.

The price-performance ratio of the Intel Core i3-12100 is usually more advantageous, as it offers more performance and more current technologies at similar costs. In summary, the Intel Core i5-9400F is suitable for existing systems or basic tasks. The Intel Core i3-12100 is the more powerful and future-proof option for new builds, gaming, and productivity.