jmd Intel Core i7-4770 testing with a Dell 0PC5F7 and AMD CAICOS (DRM 2.50.0 / 4.15.0-43-generic LLVM 6.0.0) 1024MB on Ubuntu 18.04 via the Phoronix Test Suite. AMD CAICOS: Processor: Intel Core i7-4770 @ 3.90GHz (8 Cores), Motherboard: Dell 0PC5F7, Chipset: Intel 4th Gen Core DRAM, Memory: 8192MB, Disk: 2 x 320GB Western Digital WD3200AAKS-0, Graphics: AMD CAICOS (DRM 2.50.0 / 4.15.0-43-generic LLVM 6.0.0) 1024MB, Audio: Realtek ALC3220, Monitor: VX2450, Network: Intel Connection I217-LM OS: Ubuntu 18.04, Kernel: 4.15.0-43-generic (x86_64), Desktop: Cinnamon 3.6.7, Display Driver: radeon 18.0.1, OpenGL: 3.3 Mesa 18.0.5, File-System: ext4, Screen Resolution: 1920x1080 x11perf 1.5 Test: 500px PutImage Square Operations / Second > Higher Is Better AMD CAICOS . 1700 |============================================================ x11perf 1.5 Test: Scrolling 500 x 500 px Operations / Second > Higher Is Better AMD CAICOS . 2540 |============================================================ x11perf 1.5 Test: Char in 80-char aa line Operations / Second > Higher Is Better AMD CAICOS . 12400000 |======================================================== x11perf 1.5 Test: PutImage XY 500x500 Square Operations / Second > Higher Is Better AMD CAICOS . 58.57 |=========================================================== x11perf 1.5 Test: Fill 300 x 300px AA Trapezoid Operations / Second > Higher Is Better AMD CAICOS . 2480 |============================================================ x11perf 1.5 Test: 500px Copy From Window To Window Operations / Second > Higher Is Better AMD CAICOS . 2537 |============================================================ x11perf 1.5 Test: Copy 500x500 From Pixmap To Pixmap Operations / Second > Higher Is Better AMD CAICOS . 2563 |============================================================ x11perf 1.5 Test: 500px Compositing From Pixmap To Window Operations / Second > Higher Is Better AMD CAICOS . 5650 |============================================================ x11perf 1.5 Test: 500px Compositing From Window To Window Operations / Second > Higher Is Better AMD CAICOS . 2537 |============================================================