ashish Intel Core 2 Duo T6400 testing with a Quanta 3628 v18.37 and AMD Mobility Radeon HD 4500 512MB on Ubuntu 10.10 via the Phoronix Test Suite. a1: Processor: Intel Core 2 Duo T6400 @ 2.00GHz (2 Cores), Motherboard: Quanta 3628 v18.37, Chipset: Intel Mobile 4 MCH + ICH9M, Memory: 2 x 2048 MB DDR2-800MHz, Disk: 500GB Western Digital WD5000BEVT-6, Graphics: AMD Mobility Radeon HD 4500 512MB (500/667MHz), Audio: IDT 92HD75B3X5, Network: Realtek RTL8111/8168B + Broadcom BCM4322 802.11a/b/g/n OS: Ubuntu 10.10, Kernel: 2.6.35-22-generic (i686), Desktop: GNOME 2.32.0, Display Server: X Server 1.9.0, Display Driver: radeon 6.13.1, Compiler: GCC 4.1.3 20080704, File-System: ext4, Screen Resolution: 1366x768 a4.4: Processor: Intel Core 2 Duo T6400 @ 2.00GHz (2 Cores), Motherboard: Quanta 3628 v18.37, Chipset: Intel Mobile 4 MCH + ICH9M, Memory: 2 x 2048 MB DDR2-800MHz, Disk: 500GB Western Digital WD5000BEVT-6, Graphics: AMD Mobility Radeon HD 4500 512MB (500/667MHz), Audio: IDT 92HD75B3X5, Network: Realtek RTL8111/8168B + Broadcom BCM4322 802.11a/b/g/n OS: Ubuntu 10.10, Kernel: 2.6.35-22-generic (i686), Desktop: GNOME 2.32.0, Display Server: X Server 1.9.0, Display Driver: radeon 6.13.1, Compiler: GCC 4.4.5, File-System: ext4, Screen Resolution: 1366x768 a4.5: Processor: Intel Core 2 Duo T6400 @ 2.00GHz (2 Cores), Motherboard: Quanta 3628 v18.37, Chipset: Intel Mobile 4 MCH + ICH9M, Memory: 2 x 2048 MB DDR2-800MHz, Disk: 500GB Western Digital WD5000BEVT-6, Graphics: AMD Mobility Radeon HD 4500 512MB (500/667MHz), Audio: IDT 92HD75B3X5, Network: Realtek RTL8111/8168B + Broadcom BCM4322 802.11a/b/g/n OS: Ubuntu 10.10, Kernel: 2.6.35-22-generic (i686), Desktop: GNOME 2.32.0, Display Server: X Server 1.9.0, Display Driver: radeon 6.13.1, Compiler: GCC 4.5.1, File-System: ext4, Screen Resolution: 1366x768 N-Queens 1.0 Elapsed Time Seconds < Lower Is Better a1 ... 514.79 |============================================================== a4.4 . 517.63 |=============================================================== a4.5 . 527.99 |================================================================