Intel Core i5-9400 vs Intel Core i5-14400

Introduction and Core Architecture: The Intel Core i5-9400 (Coffee Lake S Refresh, 14 nm) is a ninth-generation processor for mainstream desktop systems.

It offers 6 cores and 6 threads. The Intel Core i5-14400 (Raptor Lake S Refresh, 10 nm) belongs to the fourteenth generation and features a hybrid design with 6 performance cores and 4 efficiency cores, totaling 10 cores and 16 threads, geared towards modern requirements.

Performance and Gaming: In single-core and multi-core performance, the Intel Core i5-14400 significantly outperforms the Intel Core i5-9400. This is due to its more advanced architecture and higher core and thread count. For gaming scenarios, the Intel Core i5-14400 delivers noticeably better performance, benefiting from its higher per-core performance and additional resources.

Technology and Power Consumption: The Intel Core i5-9400 supports PCIe 3.0, 9 MB Level 3 Cache, and a memory bandwidth of 43 GB/s. Its integrated Intel UHD Graphics 630 serves basic display purposes. The Intel Core i5-14400 offers PCIe 5.0, 10 MB Level 2 and 20 MB Level 3 Cache, as well as 90 GB/s memory bandwidth with Intel UHD Graphics 730.

Both have a base TDP of 65W, though the Intel Core i5-14400 may require more power under load. Value for Money and Recommendation: Today, the Intel Core i5-9400 is primarily relevant for very budget-conscious users with existing compatible hardware. The Intel Core i5-14400 offers superior value for money for current and future applications, making it the clear recommendation for demanding users.