Question high cpu(i5-8400) usage and low gpu(rx-580) while gaming

Apr 5, 2019
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in cs go cpu usage is like 60% gpu even lower it limits fps around 60 on max setting.same thing in other games exept cpu is 100% in apex.reinstalled drivers, scaned pc for malware, benchmarked gpu and cpu, temps are low , everything seems fine only possible reason i think of is that i have 1x8 gigs 2400 mhz ddr4 single channel ram which i allready checked with windows memory diagnostic tool .