Dell Intel Core 2 Duo E4400 testing with a Dell 0KP561 and XFX AMD Radeon HD 6670/7670 2048MB on Ubuntu 14.04 via the Phoronix Test Suite. Open Source Driver: Processor: Intel Core 2 Duo E4400 @ 2.00GHz (2 Cores), Motherboard: Dell 0KP561, Chipset: Intel 82G33/G31/P35/P31 + ICH7, Memory: 4096MB, Disk: 160GB Seagate ST3160815AS + 100GB Western Digital WD1000BEVS-2, Graphics: XFX AMD Radeon HD 6670/7670 2048MB, Audio: Analog Devices AD1984, Monitor: SE40FH03, Network: Broadcom NetLink BCM5787 Gigabit PCI OS: Ubuntu 14.04, Kernel: 3.13.0-24-generic (x86_64), Desktop: Unity 7.2.0, Display Server: X Server 1.15.1, Display Driver: radeon 7.3.0, Compiler: GCC 4.8, File-System: ext4, Screen Resolution: 1920x1080 fglrx-updates driver: Processor: Intel Core 2 Duo E4400 @ 2.00GHz (2 Cores), Motherboard: Dell 0KP561, Chipset: Intel 82G33/G31/P35/P31 + ICH7, Memory: 4096MB, Disk: 160GB Seagate ST3160815AS + 100GB Western Digital WD1000BEVS-2, Graphics: XFX AMD Radeon HD 6670 2048MB, Audio: Analog Devices AD1984, Monitor: SE40FH03 + SE40FH03, Network: Broadcom NetLink BCM5787 Gigabit PCI OS: Ubuntu 14.04, Kernel: 3.13.0-24-generic (x86_64), Desktop: Unity 7.2.0, Display Server: X Server 1.15.1, Display Driver: fglrx 13.35.5, OpenGL: 4.3.12798, Compiler: GCC 4.8, File-System: ext4, Screen Resolution: 1920x1080 PostMark 1.51 Disk Transaction Performance TPS > Higher Is Better Open Source Driver . 460 |===================================================== RAMspeed SMP 3.5.0 Type: Average - Benchmark: Integer MB/s > Higher Is Better Open Source Driver . 3013.89 |================================================= RAMspeed SMP 3.5.0 Type: Average - Benchmark: Floating Point MB/s > Higher Is Better Open Source Driver . 3321.14 |================================================= C-Ray 1.1 Total Time Seconds < Lower Is Better Open Source Driver . 124.41 |================================================== Apache Benchmark 2.4.7 Static Web Page Serving Requests Per Second > Higher Is Better Open Source Driver . 6726.22 |================================================= SciMark 2.0 Computational Test: Dense LU Matrix Factorization Mflops > Higher Is Better Open Source Driver . 503.52 |================================================== Himeno Benchmark 3.0 Poisson Pressure Solver MFLOPS > Higher Is Better Open Source Driver . 729.01 |================================================== Xonotic 0.7 Resolution: 1920 x 1080 - Effects Quality: Ultimate Frames Per Second > Higher Is Better Open Source Driver ... 23.49 |============================ fglrx-updates driver . 40.40 |================================================= Unigine Heaven 4.0 Resolution: 1920 x 1080 Frames Per Second > Higher Is Better Open Source Driver . 4.72 |==================================================== Unigine Sanctuary 2.3 Resolution: 1920 x 1080 Frames Per Second > Higher Is Better Open Source Driver ... 16.84 |============================ fglrx-updates driver . 29.43 |================================================= Unigine Tropics 1.3 Resolution: 1920 x 1080 Frames Per Second > Higher Is Better Open Source Driver ... 14.95 |================================= fglrx-updates driver . 21.95 |=================================================