foobar AMD Ryzen 7 1800X Eight-Core testing with a ASRock X370 Taichi and AMD Radeon RX 470/480 4096MB on Arch Linux via the Phoronix Test Suite. memtest: Processor: AMD Ryzen 7 1800X Eight-Core @ 3.60GHz (16 Cores), Motherboard: ASRock X370 Taichi, Chipset: AMD Device 1450, Memory: 64512MB, Disk: Samsung SSD 960 PRO 512GB, Graphics: AMD Radeon RX 470/480 4096MB, Audio: AMD Device aaf0, Monitor: DELL U2515H, Network: Intel I211 Gigabit Connection + Intel Device 24fb OS: Arch Linux, Kernel: 4.10.11-1-ARCH (x86_64), Desktop: GNOME Shell 3.22.3, Vulkan: 1.0.3, Compiler: GCC 6.3.1 20170306 + Clang 4.0.0, File-System: ext4, Screen Resolution: 2560x1440 Stream 2013-01-17 Type: Copy MB/s > Higher Is Better memtest . 27552.32 |=========================================================== Stream 2013-01-17 Type: Scale MB/s > Higher Is Better memtest . 18566.62 |=========================================================== Stream 2013-01-17 Type: Triad MB/s > Higher Is Better memtest . 20946.22 |=========================================================== Stream 2013-01-17 Type: Add MB/s > Higher Is Better memtest . 20831.50 |===========================================================