Chucks Dell Intel Core 2 Duo E4400 testing with a Dell 0WG864 and XFX AMD Radeon HD 6670 2048MB on Ubuntu 14.04 via the Phoronix Test Suite. Intel Core 2 Duo E4400: Processor: Intel Core 2 Duo E4400 @ 2.00GHz (2 Cores), Motherboard: Dell 0WG864, Chipset: Intel 82P965/G965 + ICH8DH, Memory: 6144MB, Disk: 160GB Seagate ST3160812AS + 160GB Seagate ST3160815AS, Graphics: XFX AMD Radeon HD 6670 2048MB (800/667MHz), Audio: SigmaTel STAC9227, Monitor: SE40FH03 + SE40FH03, Network: Intel 82562V 10/100 OS: Ubuntu 14.04, Kernel: 3.13.0-29-generic (x86_64), Desktop: Unity 7.2.1, 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 XFX AMD Radeon HD 6670: Processor: Intel Core 2 Duo E4400 @ 2.00GHz (2 Cores), Motherboard: Dell 0WG864, Chipset: Intel 82P965/G965 + ICH8DH, Memory: 6144MB, Disk: 160GB Seagate ST3160812AS + 160GB Seagate ST3160815AS, Graphics: XFX AMD Radeon HD 6670 2048MB (800/667MHz), Audio: SigmaTel STAC9227, Monitor: SE40FH03 + SE40FH03, Network: Intel 82562V 10/100 OS: Ubuntu 14.04, Kernel: 3.13.0-29-generic (x86_64), Desktop: Unity 7.2.1, 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 4GB RAM: Processor: Intel Core 2 Duo E4400 @ 1.99GHz (2 Cores), Motherboard: Dell 0WG864, Chipset: Intel 82P965/G965 + ICH8DH, Memory: 4096MB, Disk: 160GB Seagate ST3160812AS + 160GB Seagate ST3160815AS, Graphics: XFX AMD Radeon HD 6670 2048MB (800/667MHz), Audio: SigmaTel STAC9227, Monitor: SE40FH03 + SE40FH03, Network: Intel 82562V 10/100 OS: Ubuntu 14.04, Kernel: 3.13.0-29-generic (x86_64), Desktop: Unity 7.2.1, 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 2.2GHz 4GB RAM: Processor: Intel Core 2 Duo E4500 @ 2.19GHz (2 Cores), Motherboard: Dell 0WG864, Chipset: Intel 82P965/G965 + ICH8DH, Memory: 4096MB, Disk: 160GB Seagate ST3160812AS + 160GB Seagate ST3160815AS, Graphics: XFX AMD Radeon HD 6670 2048MB (800/667MHz), Audio: SigmaTel STAC9227, Monitor: SE40FH03 + SE40FH03, Network: Intel 82562V 10/100 OS: Ubuntu 14.04, Kernel: 3.13.0-29-generic (x86_64), Desktop: Unity 7.2.1, 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 SciMark 2.0 Computational Test: Dense LU Matrix Factorization Mflops > Higher Is Better Intel Core 2 Duo E4400 . 460.09 |========================================== 4GB RAM ................ 507.37 |============================================== 2.2GHz 4GB RAM ......... 500.77 |============================================= Himeno Benchmark 3.0 Poisson Pressure Solver MFLOPS > Higher Is Better Intel Core 2 Duo E4400 . 728.03 |========================================== 4GB RAM ................ 740.72 |========================================== 2.2GHz 4GB RAM ......... 803.74 |============================================== Unigine Heaven 4.0 1920 x 1080 Frames Per Second > Higher Is Better XFX AMD Radeon HD 6670 . 3.78 |================================================ 4GB RAM ................ 3.78 |================================================ 2.2GHz 4GB RAM ......... 3.80 |================================================ Unigine Sanctuary 2.3 1920 x 1080 Frames Per Second > Higher Is Better XFX AMD Radeon HD 6670 . 29.47 |=============================================== 4GB RAM ................ 29.44 |=============================================== 2.2GHz 4GB RAM ......... 29.48 |=============================================== Unigine Tropics 1.3 1920 x 1080 Frames Per Second > Higher Is Better XFX AMD Radeon HD 6670 . 22.00 |=============================================== 4GB RAM ................ 21.97 |=============================================== 2.2GHz 4GB RAM ......... 22.02 |===============================================