ivan Intel Core i5-3230M testing with a HP 183E v56.32 and Intel HD 4000 2048MB on Ubuntu 16.04 via the Phoronix Test Suite. Intel HD 4000: Processor: Intel Core i5-3230M @ 2.60GHz (4 Cores), Motherboard: HP 183E v56.32, Chipset: Intel 3rd Gen Core DRAM, Memory: 8192MB, Disk: 1000GB Seagate ST1000LM014-1EJ1, Graphics: Intel HD 4000 2048MB (1100MHz), Audio: IDT 92HD87B2/4, Network: Realtek RTL8101/2/6E + Ralink RT5390R 802.11bgn PCIe Wireless OS: Ubuntu 16.04, Kernel: 4.9.8-zen-fidaj+ (x86_64), Desktop: Unity 7.4.0, Display Server: X Server 1.18.4, Display Driver: intel 2.99.917, OpenGL: 3.3 Mesa 12.0.6, Compiler: Clang 3.8.0-2ubuntu4 + LLVM 3.8.0, File-System: ext4, Screen Resolution: 1366x768 gluxMark 2.2 Resolution: 1366 x 768 - Test: Compute Total Score > Higher Is Better Intel HD 4000 . 954.44 |======================================================= SmallPT GPU 1.6pts1 OpenCL Device: GPU - Resolution: 1366 x 768 - Scene: Caustic Samples/sec > Higher Is Better Intel HD 4000 . 1486624350 |=================================================== SmallPT GPU 1.6pts1 OpenCL Device: GPU - Resolution: 1366 x 768 - Scene: Cornell Samples/sec > Higher Is Better Intel HD 4000 . 1486624482 |=================================================== SmallPT GPU 1.6pts1 OpenCL Device: GPU - Resolution: 1366 x 768 - Scene: Caustic3 Samples/sec > Higher Is Better Intel HD 4000 . 1486624608 |===================================================