darktable_rx470 Intel Core i7-2600K testing with a ASUS P8Z68-V PRO and Sapphire AMD Radeon RX 470 4096MB on Ubuntu 16.04 via the Phoronix Test Suite. Intel Core i7-2600K - Sapphire AMD Radeon RX 470: Processor: Intel Core i7-2600K @ 3.80GHz (8 Cores), Motherboard: ASUS P8Z68-V PRO, Chipset: Intel 2nd Generation Core Family DRAM, Memory: 16384MB, Disk: 120GB OCZ AGILITY3 + 120GB OCZ VERTEX3 + 2000GB Western Digital WD2002FAEX-0, Graphics: Sapphire AMD Radeon RX 470 4096MB, Audio: Realtek ALC892, Monitor: DELL U2711, Network: Intel 82579V Gigabit Connection OS: Ubuntu 16.04, Kernel: 4.4.0-59-generic (x86_64), Desktop: Unity 7.4.0, Display Server: X Server 1.18.4, Display Driver: modesetting 1.18.4, OpenGL: 4.5.13462, Compiler: GCC 5.4.0 20160609, File-System: ext4, Screen Resolution: 2560x1440 Darktable 2.2.1 Test: Boat - Acceleration: OpenCL Seconds < Lower Is Better Intel Core i7-2600K - Sapphire AMD Radeon RX 470 . 5.05 |====================== Darktable 2.2.1 Test: Masskrug - Acceleration: OpenCL Seconds < Lower Is Better Intel Core i7-2600K - Sapphire AMD Radeon RX 470 . 7.87 |====================== Darktable 2.2.1 Test: Server Room - Acceleration: OpenCL Seconds < Lower Is Better Intel Core i7-2600K - Sapphire AMD Radeon RX 470 . 2.02 |======================