Intel Ivy Bridge - Ubuntu 12.04 vs. 14.04 LTS
Intel Core i7-3517UE Ivy Bridge on Ubuntu 12.04.3 LTS compared to early snapshot of Ubuntu 14.04 LTS. Quick look at Intel HD Graphics 4000 OpenGL performance between Ubuntu LTS releases by Michael Larabel.


Ubuntu 12.04.3: 

	Processor: Intel Core i7-3517UE @ 2.10GHz (4 Cores), Motherboard: CompuLab Intense-PC, Chipset: Intel Ivy Bridge DRAM, Memory: 8192MB, Disk: 500GB Hitachi HCC54755, Graphics: Intel Ivy Bridge (1000MHz), Audio: Realtek ALC888, Monitor: DELL S2409W, Network: Intel 82579LM Gigabit Connection + Realtek RTL8188CE 802.11b/g/n

	OS: Ubuntu 12.04, Kernel: 3.8.0-29-generic (x86_64), Desktop: Unity 5.20.0, Display Server: X Server 1.13.3, Display Driver: intel 2.21.6, OpenGL: 3.0 Mesa 9.1.7, Compiler: GCC 4.6, File-System: ext4, Screen Resolution: 1920x1080

Ubuntu 14.04 20140125: 

	Processor: Intel Core i7-3517UE @ 2.10GHz (4 Cores), Motherboard: CompuLab Intense-PC, Chipset: Intel 3rd Gen Core DRAM, Memory: 8192MB, Disk: 500GB Hitachi HCC54755, Graphics: Intel HD 4000 (1000MHz), Audio: Realtek ALC888, Network: Intel 82579LM Gigabit Connection + Realtek RTL8188CE 802.11b/g/n

	OS: Ubuntu 14.04, Kernel: 3.13.0-5-generic (x86_64), Desktop: Unity 7.1.2, Display Server: X Server 1.14.5, Display Driver: intel 2.99.907, OpenGL: 3.3 Mesa 10.0.1, Compiler: GCC 4.8, File-System: ext4, Screen Resolution: 1920x1080


OpenArena 0.8.5
Resolution: 1920 x 1080
Frames Per Second > Higher Is Better
Ubuntu 12.04.3 ........ 142.47 |===========================================
Ubuntu 14.04 20140125 . 154.00 |===============================================


OpenArena 0.8.8
Resolution: 1920 x 1080
Frames Per Second > Higher Is Better
Ubuntu 12.04.3 ........ 29.25 |==============================================
Ubuntu 14.04 20140125 . 30.20 |================================================


OpenArena 0.8.8
Resolution: 1920 x 1080 - Total Frame Time
Milliseconds < Lower Is Better
Ubuntu 12.04.3 ........ MIN: 5.0  AVG: 33.4  MAX: 75.0 
Ubuntu 14.04 20140125 . MIN: 4.0  AVG: 33.3  MAX: 75.0 


Unigine Sanctuary 2.3
Resolution: 1280 x 1024
Frames Per Second > Higher Is Better
Ubuntu 12.04.3 ........ 14.52 |========================================
Ubuntu 14.04 20140125 . 17.46 |================================================


Xonotic 0.7
Resolution: 1920 x 1080 - Effects Quality: Low
Frames Per Second > Higher Is Better
Ubuntu 12.04.3 ........ 101.37 |=====================================
Ubuntu 14.04 20140125 . 128.90 |===============================================


Xonotic 0.7
Resolution: 1920 x 1080 - Effects Quality: High
Frames Per Second > Higher Is Better
Ubuntu 12.04.3 ........ 51.60 |========================================
Ubuntu 14.04 20140125 . 61.69 |================================================