Intel Core i5-6400 vs Intel Core i3-6300

The Intel Core i5-6400 and Intel Core i3-6300 are 6th generation Intel desktop processors, both based on the 14 nm Skylake S architecture and featuring PCIe Version 3.0.

The Intel Core i5-6400 is aimed at mainstream users who need solid multitasking performance, while the Intel Core i3-6300 is a more cost-effective option for basic tasks and high single-core performance. Both integrate Intel HD Graphics 530 and offer a maximum memory bandwidth of 34 GB/s.

The Intel Core i5-6400 has 4 physical cores and 4 threads with 6 MB of Level 3 Cache. Its multi-core performance is significantly higher than that of the Intel Core i3-6300, making it advantageous for applications with parallelizable workloads and demanding multitasking. In single-core performance, the Intel Core i3-6300, which has 2 physical cores and 4 threads via Hyper-Threading, as well as 4 MB of Level 3 Cache, shows a slight advantage.

For gaming scenarios, the Intel Core i5-6400 is superior in modern, core-hungry titles, while the Intel Core i3-6300 can deliver good performance in older games that benefit from high single-core frequencies. Both CPUs have a TDP of 65 watts, indicating comparable power consumption and thermal requirements.

In the used market, the Intel Core i5-6400 offers good value for money for more comprehensive requirements, while the Intel Core i3-6300 represents an inexpensive option for basic tasks.