AMD Radeon R9 290: Windows 8.1 vs. Ubuntu 14.04 LTS
A Graphics comparison under Windows 8.1 and Linux with Catalyst 14.4 on both and using a Radeon R9 290 Hawaii GPU. Benchmarks by Michael Larabel for a future article on Phoronix.com.


Ubuntu 14.04 LTS + Catalyst 14.4: 

	Processor: Intel Core i7-4770K @ 3.50GHz (8 Cores), Motherboard: ECS Z87H3-A2X EXTREME v1.0, Chipset: Intel 4th Gen Core DRAM, Memory: 16384MB, Disk: 120GB Samsung SSD 840 + 150GB Western Digital WD1500HLHX-0, Graphics: Supported device 67B1 4096MB (947/1250MHz), Audio: Realtek ALC1150, Monitor: SyncMaster, Network: Realtek RTL8111/8168/8411

	OS: Ubuntu 14.04, Kernel: 3.13.0-24-generic (x86_64), Desktop: Unity 7.2.0, Display Server: X Server 1.15.1, Display Driver: fglrx 14.10.2, OpenGL: 4.3.12874, Compiler: GCC 4.8.2, File-System: ext4, Screen Resolution: 2560x1600

Windows 8.1 Pro + Catalyst 14.4: 

	Processor: Intel Family 6 Model 60 Stepping 3 Intel (8 Cores), Disk: 112GB

	OS: Windows NT, Kernel: 6.2 (x86_64)


Nexuiz 2.5.2
Resolution: 1920 x 1080 - HDR: Yes - Sound: Off
Frames Per Second > Higher Is Better
Ubuntu 14.04 LTS + Catalyst 14.4 . 210.91 |====================================
Windows 8.1 Pro + Catalyst 14.4 .. 180.16 |===============================


OpenArena 0.8.8
Resolution: 1920 x 1080
Frames Per Second > Higher Is Better
Ubuntu 14.04 LTS + Catalyst 14.4 . 310.23 |====================================
Windows 8.1 Pro + Catalyst 14.4 .. 276.47 |================================


OpenArena 0.8.8
Resolution: 1920 x 1080 - Total Frame Time
Milliseconds < Lower Is Better
Ubuntu 14.04 LTS + Catalyst 14.4 . MIN: 1.0  AVG: 3.1   MAX: 26.0 
Windows 8.1 Pro + Catalyst 14.4 .. MIN: 1.0  AVG: 3.6   MAX: 33.0 


Unigine Heaven 4.0
Resolution: 1600 x 900
Frames Per Second > Higher Is Better
Ubuntu 14.04 LTS + Catalyst 14.4 . 79.01 |=====================================


Unigine Sanctuary 2.3
Resolution: 1680 x 1050
Frames Per Second > Higher Is Better
Ubuntu 14.04 LTS + Catalyst 14.4 . 274.65 |====================================


Xonotic 0.7
Resolution: 1920 x 1080 - Effects Quality: Low
Frames Per Second > Higher Is Better
Ubuntu 14.04 LTS + Catalyst 14.4 . 347.15 |====================================
Windows 8.1 Pro + Catalyst 14.4 .. 319.85 |=================================


Xonotic 0.7
Resolution: 1920 x 1080 - Effects Quality: High
Frames Per Second > Higher Is Better
Ubuntu 14.04 LTS + Catalyst 14.4 . 242.87 |====================================
Windows 8.1 Pro + Catalyst 14.4 .. 239.13 |===================================


Xonotic 0.7
Resolution: 1920 x 1080 - Effects Quality: Ultra
Frames Per Second > Higher Is Better
Ubuntu 14.04 LTS + Catalyst 14.4 . 221.23 |====================================
Windows 8.1 Pro + Catalyst 14.4 .. 209.46 |==================================