supertux
Intel Core i3-3220 testing with a MSI MS-AA721 v100 and Intel Xeon E3-1200 v2/3rd Gen Core on Ubuntu 13.10 via the Phoronix Test Suite.


GNOME-Shell - X.org: 

	Processor: Intel Core i3-3220 @ 3.30GHz (4 Cores), Motherboard: MSI MS-AA721 v100, Chipset: Intel Xeon E3-1200 v2/3rd, Memory: 4096MB, Disk: 500GB Western Digital WD5000AAKX-2, Graphics: Intel Xeon E3-1200 v2/3rd Gen Core, Audio: Realtek ALC887-VD, Monitor: MSI AIO PC, Network: Realtek RTL8111/8168 + Realtek RTL8188CE 802.11b/g/n

	OS: Ubuntu 13.10, Kernel: 3.10.0-1-generic (x86_64), Desktop: GNOME Shell 3.8.3, Display Server: X Server 1.13.3, Display Driver: intel 2.21.9, OpenGL: 3.0 Mesa 9.1.3, Compiler: GCC 4.8, File-System: ext4, Screen Resolution: 1600x900

Unity - X.org: 

	Processor: Intel Core i3-3220 @ 3.30GHz (4 Cores), Motherboard: MSI MS-AA721 v100, Chipset: Intel Xeon E3-1200 v2/3rd, Memory: 4096MB, Disk: 500GB Western Digital WD5000AAKX-2, Graphics: Intel Xeon E3-1200 v2/3rd Gen Core, Audio: Realtek ALC887-VD, Monitor: MSI AIO PC, Network: Realtek RTL8111/8168/8411 + Realtek RTL8188CE 802.11b/g/n

	OS: Ubuntu 13.10, Kernel: 3.10.0-1-generic (x86_64), Desktop: Unity 7.0.0, Display Server: X Server 1.13.3, Display Driver: intel 2.21.9, OpenGL: 3.1 Mesa 9.1.4, Compiler: GCC 4.8, File-System: ext4, Screen Resolution: 1600x900

Unity - Mir: 

	Processor: Intel Core i3-3220 @ 3.30GHz (4 Cores), Motherboard: MSI MS-AA721 v100, Chipset: Intel Xeon E3-1200 v2/3rd, Memory: 4096MB, Disk: 500GB Western Digital WD5000AAKX-2, Graphics: Intel Xeon E3-1200 v2/3rd Gen Core, Audio: Realtek ALC887-VD, Network: Realtek RTL8111/8168/8411 + Realtek RTL8188CE 802.11b/g/n

	OS: Ubuntu 13.10, Kernel: 3.10.0-2-generic (x86_64), Desktop: Unity 7.0.2, Display Server: X Server 1.14.1, Display Driver: intel 2.21.9, OpenGL: 3.1 Mesa 9.2.0-devel, Compiler: GCC 4.8, File-System: ext4, Screen Resolution: 1600x900

GNOME-Shell - Mir: 

	Processor: Intel Core i3-3220 @ 3.30GHz (4 Cores), Motherboard: MSI MS-AA721 v100, Chipset: Intel Xeon E3-1200 v2/3rd, Memory: 4096MB, Disk: 500GB Western Digital WD5000AAKX-2, Graphics: Intel Xeon E3-1200 v2/3rd Gen Core, Audio: Realtek ALC887-VD, Network: Realtek RTL8111/8168/8411 + Realtek RTL8188CE 802.11b/g/n

	OS: Ubuntu 13.10, Kernel: 3.10.0-2-generic (x86_64), Desktop: GNOME Shell 3.8.3, Display Server: X Server 1.14.1, Display Driver: intel 2.21.9, OpenGL: 3.1 Mesa 9.2.0-devel, Compiler: GCC 4.8, File-System: ext4, Screen Resolution: 1600x900

KDE - Mir: 

	Processor: Intel Core i3-3220 @ 3.30GHz (4 Cores), Motherboard: MSI MS-AA721 v100, Chipset: Intel Xeon E3-1200 v2/3rd, Memory: 4096MB, Disk: 500GB Western Digital WD5000AAKX-2, Graphics: Intel Xeon E3-1200 v2/3rd Gen Core, Audio: Realtek ALC887-VD, Network: Realtek RTL8111/8168/8411 + Realtek RTL8188CE 802.11b/g/n

	OS: Ubuntu 13.10, Kernel: 3.10.0-2-generic (x86_64), Desktop: KDE 4.10.90, Display Server: X Server 1.14.1, Display Driver: intel 2.21.9, OpenGL: 3.1 Mesa 9.2.0-devel, Compiler: GCC 4.8, File-System: ext4, Screen Resolution: 1600x900

XFCE - Mir: 

	Processor: Intel Core i3-3220 @ 3.30GHz (4 Cores), Motherboard: MSI MS-AA721 v100, Chipset: Intel Xeon E3-1200 v2/3rd, Memory: 4096MB, Disk: 500GB Western Digital WD5000AAKX-2, Graphics: Intel Xeon E3-1200 v2/3rd Gen Core, Audio: Realtek ALC887-VD, Network: Realtek RTL8111/8168/8411 + Realtek RTL8188CE 802.11b/g/n

	OS: Ubuntu 13.10, Kernel: 3.10.0-2-generic (x86_64), Desktop: KDE 4.10.90, Display Server: X Server 1.14.1, Display Driver: intel 2.21.9, OpenGL: 3.1 Mesa 9.2.0-devel, Compiler: GCC 4.8, File-System: ext4, Screen Resolution: 1600x900


SuperTuxKart 0.8
Resolution: 1600 x 900
Frames Per Second > Higher Is Better
GNOME-Shell - X.org . 87.58  |========================================
Unity - X.org ....... 106.69 |=================================================
Unity - Mir ......... 99.13  |==============================================
GNOME-Shell - Mir ... 57.84  |===========================
KDE - Mir ........... 86.73  |========================================
XFCE - Mir .......... 98.61  |=============================================