UHD 4K Linux Catalyst vs. RadeonSI AMD Performance
RadeonSI Gallium3D graphics testing on Linux 3.17 kernel with Ubuntu of different AMD graphics cards running at HDMI 4K resolution compared to proprietary AMD Catalyst Linux driver. Benchmarks by Michael Larabel for a future article on Phoronix.com. The HD 7850 was left out due to apparent re-clocking / performance issues with RadeonSI while the Radeon HD 7950 was left out since under the Catalyst driver tested there was frequent flickering / mode-setting issues at 3840 x 2160.


RadeonSI: Radeon R7 260X: 

	Processor: Intel Core i7-5960X @ 3.50GHz (16 Cores), Motherboard: Gigabyte X99-UD4-CF, Chipset: Intel Haswell-E DMI2, Memory: 16384MB, Disk: 128GB Crucial_CT128MX1, Graphics: Sapphire AMD Radeon R7 260X 2048MB, Audio: Intel Wellsburg HD Audio, Monitor: SE39UY04, Network: Intel Connection

	OS: Ubuntu 14.10, Kernel: 3.17.0-999-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.15.1, Display Driver: radeon 7.4.0, OpenGL: 3.3 Mesa 10.4.0-devel (git-82edcb9 2014-09-11 utopic-oibaf-ppa) Gallium 0.4, Compiler: GCC 4.9.1, File-System: ext4, Screen Resolution: 3840x2160

RadeonSI: Radeon R9 270X: 

	Processor: Intel Core i7-5960X @ 3.50GHz (16 Cores), Motherboard: Gigabyte X99-UD4-CF, Chipset: Intel Haswell-E DMI2, Memory: 16384MB, Disk: 128GB Crucial_CT128MX1, Graphics: Gigabyte AMD Radeon R9 270X 2048MB, Audio: Intel Wellsburg HD Audio, Monitor: SE39UY04, Network: Intel Connection

	OS: Ubuntu 14.10, Kernel: 3.17.0-999-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.15.1, Display Driver: radeon 7.4.0, OpenGL: 3.3 Mesa 10.4.0-devel (git-82edcb9 2014-09-11 utopic-oibaf-ppa) Gallium 0.4, Compiler: GCC 4.9.1, File-System: ext4, Screen Resolution: 3840x2160

RadeonSI: Radeon R9 290: 

	Processor: Intel Core i7-5960X @ 3.50GHz (16 Cores), Motherboard: Gigabyte X99-UD4-CF, Chipset: Intel Haswell-E DMI2, Memory: 16384MB, Disk: 128GB Crucial_CT128MX1, Graphics: XFX AMD Radeon R9 290 4096MB, Audio: Intel Wellsburg HD Audio, Monitor: SE39UY04, Network: Intel Connection

	OS: Ubuntu 14.10, Kernel: 3.17.0-999-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.15.1, Display Driver: radeon 7.4.0, OpenGL: 3.3 Mesa 10.4.0-devel (git-82edcb9 2014-09-11 utopic-oibaf-ppa) Gallium 0.4, Compiler: GCC 4.9.1, File-System: ext4, Screen Resolution: 3840x2160

Catalyst: Radeon R7 260X: 

	Processor: Intel Core i7-5960X @ 3.50GHz (16 Cores), Motherboard: Gigabyte X99-UD4-CF, Chipset: Intel Haswell-E DMI2, Memory: 16384MB, Disk: 128GB Crucial_CT128MX1, Graphics: Sapphire AMD Radeon R7 200 2048MB, Audio: Intel Wellsburg HD Audio, Monitor: SE39UY04, Network: Intel Connection

	OS: Ubuntu 14.10, Kernel: 3.16.0-14-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.15.1, Display Driver: fglrx 14.20.7, OpenGL: 4.4.12968, Compiler: GCC 4.9.1, File-System: ext4, Screen Resolution: 3840x2160

Catalyst: Radeon R9 270X: 

	Processor: Intel Core i7-5960X @ 3.50GHz (16 Cores), Motherboard: Gigabyte X99-UD4-CF, Chipset: Intel Haswell-E DMI2, Memory: 16384MB, Disk: 128GB Crucial_CT128MX1, Graphics: Gigabyte AMD Radeon R9 200 2048MB, Audio: Intel Wellsburg HD Audio, Monitor: SE39UY04, Network: Intel Connection

	OS: Ubuntu 14.10, Kernel: 3.16.0-14-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.15.1, Display Driver: fglrx 14.20.7, OpenGL: 4.4.12968, Compiler: GCC 4.9.1, File-System: ext4, Screen Resolution: 3840x2160

Catalyst: Radeon R9 290: 

	Processor: Intel Core i7-5960X @ 3.50GHz (16 Cores), Motherboard: Gigabyte X99-UD4-CF, Chipset: Intel Haswell-E DMI2, Memory: 16384MB, Disk: 128GB Crucial_CT128MX1, Graphics: XFX AMD Radeon R9 200 4096MB, Audio: Intel Wellsburg HD Audio, Monitor: SE39UY04, Network: Intel Connection

	OS: Ubuntu 14.10, Kernel: 3.16.0-14-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.15.1, Display Driver: fglrx 14.20.7, OpenGL: 4.4.12968, Compiler: GCC 4.9.1, File-System: ext4, Screen Resolution: 3840x2160


Tesseract 2014-05-12
Resolution: 3840 x 2160
Frames Per Second > Higher Is Better
RadeonSI: Radeon R7 260X . 38.33  |===============
RadeonSI: Radeon R9 270X . 55.57  |======================
RadeonSI: Radeon R9 290 .. 21.26  |=========
Catalyst: Radeon R7 260X . 62.42  |=========================
Catalyst: Radeon R9 270X . 87.35  |===================================
Catalyst: Radeon R9 290 .. 109.12 |============================================


Warsow 1.51
Resolution: 3840 x 2160
Frames Per Second > Higher Is Better
RadeonSI: Radeon R7 260X . 72.80  |=======================
RadeonSI: Radeon R9 270X . 102.97 |=================================
RadeonSI: Radeon R9 290 .. 43.68  |==============
Catalyst: Radeon R7 260X . 82.90  |===========================
Catalyst: Radeon R9 270X . 108.60 |===================================
Catalyst: Radeon R9 290 .. 136.37 |============================================


Xonotic 0.7
Resolution: 3840 x 2160 - Effects Quality: High
Frames Per Second > Higher Is Better
RadeonSI: Radeon R7 260X . 76.54  |====================
RadeonSI: Radeon R9 270X . 103.74 |===========================
RadeonSI: Radeon R9 290 .. 32.50  |========
Catalyst: Radeon R7 260X . 103.90 |===========================
Catalyst: Radeon R9 270X . 145.17 |=====================================
Catalyst: Radeon R9 290 .. 170.60 |============================================


Xonotic 0.7
Resolution: 3840 x 2160 - Effects Quality: Ultra
Frames Per Second > Higher Is Better
RadeonSI: Radeon R7 260X . 62.90  |===================
RadeonSI: Radeon R9 270X . 82.75  |=========================
RadeonSI: Radeon R9 290 .. 30.10  |=========
Catalyst: Radeon R7 260X . 90.36  |===========================
Catalyst: Radeon R9 270X . 124.28 |=====================================
Catalyst: Radeon R9 290 .. 148.55 |============================================


Xonotic 0.7
Resolution: 3840 x 2160 - Effects Quality: Ultimate
Frames Per Second > Higher Is Better
RadeonSI: Radeon R7 260X . 45.14  |==================
RadeonSI: Radeon R9 270X . 56.99  |======================
RadeonSI: Radeon R9 290 .. 25.86  |==========
Catalyst: Radeon R7 260X . 68.07  |===========================
Catalyst: Radeon R9 270X . 90.92  |====================================
Catalyst: Radeon R9 290 .. 111.76 |============================================


Unigine Tropics 1.3
Resolution: 3840 x 2160
Frames Per Second > Higher Is Better
RadeonSI: Radeon R7 260X . 21.93 |==============
RadeonSI: Radeon R9 270X . 33.39 |=====================
RadeonSI: Radeon R9 290 .. 10.09 |======
Catalyst: Radeon R7 260X . 32.71 |====================
Catalyst: Radeon R9 270X . 50.86 |================================
Catalyst: Radeon R9 290 .. 71.86 |=============================================


Unigine Valley 1.0
Resolution: 3840 x 2160
Frames Per Second > Higher Is Better
Catalyst: Radeon R7 260X . 7.34  |===================
Catalyst: Radeon R9 270X . 10.91 |============================
Catalyst: Radeon R9 290 .. 17.77 |=============================================