i5 6600 Maxed out With Xsplit

Gzus3500hd

Commendable
Sep 15, 2016
13
0
1,510
My pc Specs are as follows.

i5 6600
32Gb Ddr 4 Memory
970 SC Evga
500Watt Psu
Small cube case
Windows 10 pro.

Running any game and xsplit at the same time, i am getting over 100fps but my CPU is maxed out at 100% usage, Do i really need to upgrade this new CPu already to a i7?