first AMD Athlon II X4 640 testing with a ASUS M4A87TD/USB3 and ASUS NVIDIA GeForce GTX 660 2048MB on Ubuntu 16.04 via the Phoronix Test Suite. gtx660: Processor: AMD Athlon II X4 640 @ 3.00GHz (4 Cores), Motherboard: ASUS M4A87TD/USB3, Chipset: AMD RX780/RX790, Memory: 16384MB, Disk: 256GB Crucial_CT256MX1 + 500GB Western Digital WD5000AAVS-0 + 3001GB Western Digital WD30EZRZ-00Z, Graphics: ASUS NVIDIA GeForce GTX 660 2048MB (823/3004MHz), Audio: VIA VT1818S, Network: Realtek RTL8111/8168/8411 OS: Ubuntu 16.04, Kernel: 4.4.0-36-generic (x86_64), Display Server: X Server 1.18.3, Display Driver: NVIDIA 367.44, Compiler: GCC 5.4.0 20160609, File-System: ext4, Screen Resolution: 4800x1200 OpenArena 0.8.8 Resolution: 1920 x 1080 Frames Per Second > Higher Is Better gtx660 . 184.93 |============================================================== OpenArena 0.8.8 Resolution: 1920 x 1080 - Total Frame Time Milliseconds < Lower Is Better gtx660 . MIN: 2.0 AVG: 5.4 MAX: 33.0 Tesseract 2014-05-12 Resolution: 1920 x 1080 Frames Per Second > Higher Is Better gtx660 . 163.94 |============================================================== Unigine Valley 1.0 Resolution: 1920 x 1080 - Mode: Windowed Frames Per Second > Higher Is Better gtx660 . 38.89 |=============================================================== Unigine Valley 1.0 Resolution: 1920 x 1080 - Mode: Fullscreen Frames Per Second > Higher Is Better gtx660 . 39.16 |=============================================================== Xonotic 0.8 Resolution: 1920 x 1080 - Effects Quality: Ultimate Frames Per Second > Higher Is Better gtx660 . 116.38 |============================================================== GpuTest 0.7.0 Test: Plot3D - Resolution: 1920 x 1080 - Mode: Windowed Points > Higher Is Better gtx660 . 71067 |=============================================================== GpuTest 0.7.0 Test: Plot3D - Resolution: 1920 x 1080 - Mode: Fullscreen Points > Higher Is Better gtx660 . 45259 |===============================================================