This message was posted on behalf of Intel Corporation1 of 1 people found this helpful
For music production I suggest you the i7-6700, It will support your requirements without any limitation. The graphics embedded are excellent it is not necessary an external graphics card.
Both processors are similar, same amount of Cache memory, same type of memory (RAM), same graphics version. The i7-6700K is unlock so, it is possible to increase the processor speed.
It is possible to compare both processors in the link below.