mosaic Intel Core i7-2600 testing with a Dell 06D7TR and AMD Radeon HD 6670/7670 1024MB on RedHatEnterpriseClient 7.1 via the Phoronix Test Suite. Dell Optiplex 990: Processor: Intel Core i7-2600 @ 3.80GHz (8 Cores), Motherboard: Dell 06D7TR, Chipset: Intel 2nd Generation Core Family DRAM, Memory: 2 x 4096 MB DDR3-1333MHz, Disk: 1000GB Seagate ST31000524AS, Graphics: AMD Radeon HD 6670/7670 1024MB (250/1000MHz), Audio: Intel 6 /C200, Monitor: DELL 1905FP + DELL 1907FPV, Network: Intel 82579LM Gigabit Connection OS: RedHatEnterpriseClient 7.1, Kernel: 3.10.0-229.14.1.el7.x86_64 (x86_64), Desktop: GNOME Shell 3.8.4, Display Server: X Server 1.15.0, Display Driver: radeon 7.4.99, OpenGL: 3.3 Mesa 10.2.7 Gallium 0.4, Compiler: GCC 4.8.3 20140911, File-System: xfs, Screen Resolution: 2560x1024 AMD Radeon HD 6670: Processor: Intel Core i7-2600 @ 3.80GHz (8 Cores), Motherboard: Dell 06D7TR, Chipset: Intel 2nd Generation Core Family DRAM, Memory: 2 x 4096 MB DDR3-1333MHz, Disk: 1000GB Seagate ST31000524AS, Graphics: AMD Radeon HD 6670/7670 1024MB (10000/150MHz), Audio: Intel 6 /C200, Monitor: DELL 1905FP + DELL 1907FPV, Network: Intel 82579LM Gigabit Connection OS: RedHatEnterpriseClient 7.1, Kernel: 3.10.0-229.14.1.el7.x86_64 (x86_64), Desktop: GNOME Shell 3.8.4, Display Server: X Server 1.15.0, Display Driver: radeon 7.4.99, OpenGL: 3.3 Mesa 10.2.7 Gallium 0.4, Compiler: GCC 4.8.3 20140911, File-System: xfs, Screen Resolution: 1280x1024 Dell Optiplex 990 valley: Processor: Intel Core i7-2600 @ 3.80GHz (8 Cores), Motherboard: Dell 06D7TR, Chipset: Intel 2nd Generation Core Family DRAM, Memory: 2 x 4096 MB DDR3-1333MHz, Disk: 1000GB Seagate ST31000524AS, Graphics: AMD Radeon HD 6670/7670 1024MB (800/1000MHz), Audio: Intel 6 /C200, Monitor: DELL 1905FP + DELL 1907FPV, Network: Intel 82579LM Gigabit Connection OS: RedHatEnterpriseClient 7.1, Kernel: 3.10.0-229.14.1.el7.x86_64 (x86_64), Desktop: GNOME Shell 3.8.4, Display Server: X Server 1.15.0, Display Driver: radeon 7.4.99, OpenGL: 3.3 Mesa 10.2.7 Gallium 0.4, Compiler: GCC 4.8.3 20140911, File-System: xfs, Screen Resolution: 2560x1024 POV-Ray 3.7.0 Total Time Seconds < Lower Is Better Dell Optiplex 990 . 171.15 |=================================================== Unigine Heaven 4.0 Resolution: 800 x 600 - Mode: Windowed Frames Per Second > Higher Is Better Dell Optiplex 990 . 27.46 |==================================================== Unigine Heaven 4.0 Resolution: 1024 x 768 - Mode: Windowed Frames Per Second > Higher Is Better Dell Optiplex 990 . 18.36 |==================================================== Unigine Heaven 4.0 Resolution: 1280 x 1024 - Mode: Windowed Frames Per Second > Higher Is Better Dell Optiplex 990 . 11.64 |==================================================== Unigine Heaven 4.0 Resolution: 800 x 600 - Mode: Fullscreen Frames Per Second > Higher Is Better Dell Optiplex 990 . 20.86 |==================================================== Unigine Heaven 4.0 Resolution: 1024 x 768 - Mode: Fullscreen Frames Per Second > Higher Is Better Dell Optiplex 990 . 14.85 |==================================================== Unigine Heaven 4.0 Resolution: 1280 x 1024 - Mode: Fullscreen Frames Per Second > Higher Is Better Dell Optiplex 990 . 9.27 |===================================================== Unigine Valley 1.0 Resolution: 800 x 600 - Mode: Windowed Frames Per Second > Higher Is Better Dell Optiplex 990 valley . 22.23 |============================================= Unigine Valley 1.0 Resolution: 1024 x 768 - Mode: Windowed Frames Per Second > Higher Is Better Dell Optiplex 990 valley . 16.17 |============================================= Unigine Valley 1.0 Resolution: 1280 x 1024 - Mode: Windowed Frames Per Second > Higher Is Better Dell Optiplex 990 valley . 9.87 |==============================================