I'd say no if you don't plan for major multitasking. Overclock the I5 a bit (Which you can Cryorig H7) and you should be fine. If you encounter FPS drop or streaming problems my bet is its the CPU. If you plan to stream allot of triple a titles then the I7 hands down but if you don't plan to stream triple a titles to often and want to stream some indie games then the I5 will work.