GPU not using ONLY Apex Legends, RAM usage extremely high first 10 matches

Recently Apex Legends not Using GPU.

when I playing Apex Legends in Season 25 Split 1 GPU correctly working.

however. in this time CPU 50% GPU 0% usage

and RAM usage goes to 6.5GB - 7GB. if i plays few matches that down to 1.5GB - 2GB usage

what i did

i tried to upgrade / downgrade NVIDIA Driver

change NVIDIA control panel 3D settings (OpenGL rendering GPU settings Select to RTX 2060 Super) 

add an apex legends high performance option in Windows graphic settings 

rechecking / replug monitor cable

consistency check on steam

CPU    AMD Ryzen 5 3600 6-Core Processor                 3.59 GHz
RAM    16.0 GB
GPU    NVIDIA GeForce RTX 2060 SUPER (8 GB)

NVIDIA Game ready driver 577.00

tried 566.36 and 566.45

any way to solve this? thanks