Planet side 2 stutters at 4k with AMD profile, 1x1, afr, and compatible settings. High and low presets. It does do it a little in 1440p but not as noticable at 4k. Please look into this I submitted this also in the AMD survey driver submission.
Link to stuttering
AMD Ryzen 5 1600 OC 3.825Ghz, 16GB DDR4 3000Mhz CAS 15, 2 XFX RX 580's OC locked to 1450Mhz core, 2050Mhz mem. 2 Toshiba Qseries SSD in raid 0.
Asrock X370 Killer Sli/AC mobo with recent Bios p3.40.