Debian-7.6-3.14-1270v2 A Kernel comparison via the Phoronix Test Suite. Intel Xeon E3-1270 v3 - InnoTek VirtualBox - Oracle: Processor: Intel Xeon E3-1270 v3 @ 3.47GHz (2 Cores), Motherboard: Oracle VirtualBox v1.2, Chipset: Intel 440FX- 82441FX PMC, Memory: 1024MB, Disk: 9GB VBOX HDD, Graphics: InnoTek VirtualBox, Network: Intel 82540EM Gigabit OS: Debian 7.6, Kernel: 3.14-0.bpo.2-amd64 (x86_64), Compiler: GCC 4.7.2, File-System: ext4, System Layer: VirtualBox Debian-7.6-3.2-1270v3: Processor: Intel Xeon E3-1270 v3 @ 3.47GHz (2 Cores), Motherboard: Oracle VirtualBox v1.2, Chipset: Intel 440FX- 82441FX PMC, Memory: 1024MB, Disk: 9GB VBOX HDD, Graphics: InnoTek VirtualBox, Network: Intel 82540EM Gigabit OS: Debian 7.6, Kernel: 3.2.0-4-amd64 (x86_64), Compiler: GCC 4.7.2, File-System: ext4, System Layer: VirtualBox Ubuntu 14.04 Intel Xeon E3-1270 v3: Processor: Intel Xeon E3-1270 v3 @ 3.49GHz (2 Cores), Motherboard: Oracle VirtualBox v1.2, Chipset: Intel 440FX- 82441FX PMC, Memory: 1024MB, Disk: 9GB VBOX HDD, Graphics: InnoTek VirtualBox, Network: Intel 82540EM Gigabit OS: Ubuntu 14.04, Kernel: 3.13.0-24-generic (x86_64), Compiler: GCC 4.8.2, File-System: ext4, Screen Resolution: 640x480, System Layer: VirtualBox NGINX Benchmark 1.0.11 Static Web Page Serving Requests Per Second > Higher Is Better Intel Xeon E3-1270 v3 - InnoTek VirtualBox - Oracle . 15143.14 |============= Intel Xeon E3-1270 v3 - InnoTek VirtualBox - Oracle . 15103.21 |============= Debian-7.6-3.2-1270v3 ............................... 17379.31 |=============== Ubuntu 14.04 Intel Xeon E3-1270 v3 .................. 7967.09 |======= Apache Benchmark 2.4.7 Static Web Page Serving Requests Per Second > Higher Is Better Intel Xeon E3-1270 v3 - InnoTek VirtualBox - Oracle . 9728.07 |================ Debian-7.6-3.2-1270v3 ............................... 8449.56 |============== Ubuntu 14.04 Intel Xeon E3-1270 v3 .................. 4915.33 |======== PHPBench 0.8.1 PHP Benchmark Suite Score > Higher Is Better Intel Xeon E3-1270 v3 - InnoTek VirtualBox - Oracle . 144839 |================= Debian-7.6-3.2-1270v3 ............................... 146841 |================= Ubuntu 14.04 Intel Xeon E3-1270 v3 .................. 118507 |==============