Question My new pc build is under perfoming

[rodmv90]

According to Userbenchmark, my PC is performing well below what it should be.
" Overall this PC is performing below expectations (24th percentile). This means that out of 100 PCs with exactly the same components, 76 performed better. The overall PC percentile is the average of each of its individual components. Use the charts in the benchmark sections of this report to identify problem areas."
If at all, I'd appreciate any and all help anyone could give me. I recently upgraded my gpu from 980Ti to Rtx 2080Super Nvidia. Also added 16 more RAM that makes it 8gb 4x (didnt mess with anything just placed them and ran pc) getting low fps in some games such as RUST in which CPU is the main problem.
Thanks in advance.
Link results: https://www.userbenchmark.com/UserRun/22577826

UserBenchmarks: Game 104%, Desk 80%, Work 62%
CPU: Intel Core i7-6700K - 73.5%
GPU: Nvidia RTX 2080S (Super) - 128%
SSD: Intel 535 Series 240GB - 75.2%
SSD: Samsung 850 Evo 500GB - 114.4%
HDD: Toshiba DT01ACA200 2TB - 43.9%
RAM: Unknown DDR4 2400 2OZ 4x8GB - 71.5%
MBD: Asrock Z170 Extreme4

 

[rgd1101]

background cpu usage is high
malware scan?

 

[rodmv90]

Im using mcafee I dont think i have any malware, dont know if my ram sticks are installed correctly or is there anything i need to do in the BIOS

 

[LordVile]

Sometimes running 4x instead of 2x ram reduces performance. Did you do a clan driver install? Also why do you have mcafee? Unless you’re torrenting or going to shady sites defender is more than ok.