raw AMD Ryzen 7 5800U testing with a HP 8886 (T80 Ver. 01.02.02 BIOS) and AMD Cezanne 512MB on Ubuntu 21.10 via the Phoronix Test Suite. AMD Ryzen 7 5800U - AMD Cezanne 512MB - HP 8886 (T80: Processor: AMD Ryzen 7 5800U @ 1.90GHz (8 Cores / 16 Threads), Motherboard: HP 8886 (T80 Ver. 01.02.02 BIOS), Chipset: AMD Renoir Root Complex, Memory: 16GB, Disk: 2000GB CT2000P5SSD8, Graphics: AMD Cezanne 512MB (2000/400MHz), Audio: AMD Device 1637, Network: Realtek RTL8822CE 802.11ac PCIe OS: Ubuntu 21.10, Kernel: 5.14.0-051400rc5-generic (x86_64) 20210808, Desktop: GNOME Shell 40.2, Display Server: X Server + Wayland, OpenGL: 4.6 Mesa 21.1.4 (LLVM 12.0.1), Vulkan: 1.2.168, Compiler: GCC 11.2.0, File-System: ext4, Screen Resolution: 1920x1080 Darktable 3.4.1 Test: Boat - Acceleration: CPU-only Seconds < Lower Is Better AMD Ryzen 7 5800U - AMD Cezanne 512MB - HP 8886 (T80 . 8.475 |================= Darktable 3.4.1 Test: Masskrug - Acceleration: CPU-only Seconds < Lower Is Better AMD Ryzen 7 5800U - AMD Cezanne 512MB - HP 8886 (T80 . 8.673 |================= Darktable 3.4.1 Test: Server Rack - Acceleration: CPU-only Seconds < Lower Is Better AMD Ryzen 7 5800U - AMD Cezanne 512MB - HP 8886 (T80 . 0.328 |================= Darktable 3.4.1 Test: Server Room - Acceleration: CPU-only Seconds < Lower Is Better AMD Ryzen 7 5800U - AMD Cezanne 512MB - HP 8886 (T80 . 7.322 |=================