GeForce GTX 680 Linux OpenGL Scaling vs. Radeon HD 7950
Comparing the resolution scaling performance of the NVIDIA GeForce GTX 680 Kepler and AMD Radeon HD 7950 Southern Islands graphics cards under Linux with the Ubuntu 12.04 64-bit operating system. Both graphics cards using the respective NVIDIA/AMD binary Linux GPU drivers. Testing by Michael Larabel for a future article on Phoronix.com.


NVIDIA GeForce GTX 680: 

	Processor: AMD FX-8150 Eight-Core @ 3.60GHz (8 Cores), Motherboard: ASUS Crosshair V Formula, Chipset: AMD ATI RD890, Memory: 16384MB, Disk: 240GB OCZ VERTEX3, Graphics: NVIDIA GeForce GTX 680 2048MB (705/3004MHz), Audio: Realtek ALC889, Network: Intel 82583V Gigabit Connection

	OS: Ubuntu 12.04, Kernel: 3.2.0-22-generic (x86_64), Desktop: Unity 5.8.0, Display Server: X Server 1.11.3, Display Driver: NVIDIA 295.33, OpenGL: 4.2.0 NVIDIA 295.33, Compiler: GCC 4.6, File-System: ext4, Screen Resolution: 2560x1600

AMD Radeon HD 7950: 

	Processor: AMD FX-8150 Eight-Core @ 3.60GHz (8 Cores), Motherboard: ASUS Crosshair V Formula, Chipset: AMD ATI RD890, Memory: 16384MB, Disk: 240GB OCZ VERTEX3, Graphics: AMD Radeon HD 7900 3072MB (900/1375MHz), Audio: Realtek ALC889, Monitor: SyncMaster, Network: Intel 82583V Gigabit Connection

	OS: Ubuntu 12.04, Kernel: 3.2.0-22-generic (x86_64), Desktop: Unity 5.8.0, Display Server: X Server 1.11.3, Display Driver: fglrx 8.95.3 Catalyst 12.3, OpenGL: 4.2.11566, Compiler: GCC 4.6, File-System: ext4, Screen Resolution: 2560x1600


Xonotic 0.6
Resolution: 800 x 600 - Effects Quality: Ultimate
Frames Per Second > Higher Is Better
NVIDIA GeForce GTX 680 . 116.56 |==============================================
AMD Radeon HD 7950 ..... 96.51  |======================================


Xonotic 0.6
Resolution: 1280 x 1024 - Effects Quality: Ultimate
Frames Per Second > Higher Is Better
NVIDIA GeForce GTX 680 . 113.87 |==============================================
AMD Radeon HD 7950 ..... 96.74  |=======================================


Xonotic 0.6
Resolution: 1024 x 768 - Effects Quality: Ultimate
Frames Per Second > Higher Is Better
NVIDIA GeForce GTX 680 . 109.82 |==============================================
AMD Radeon HD 7950 ..... 96.64  |========================================


Unigine Heaven 3.0
Resolution: 2560 x 1600
Frames Per Second > Higher Is Better
NVIDIA GeForce GTX 680 . 42.74 |===========================================
AMD Radeon HD 7950 ..... 46.75 |===============================================


Unigine Heaven 3.0
Resolution: 1280 x 1024
Frames Per Second > Higher Is Better
NVIDIA GeForce GTX 680 . 90.86 |===========================================
AMD Radeon HD 7950 ..... 99.34 |===============================================


Unigine Heaven 3.0
Resolution: 800 x 600
Frames Per Second > Higher Is Better
NVIDIA GeForce GTX 680 . 91.72 |===========================================
AMD Radeon HD 7950 ..... 99.11 |===============================================


Unigine Heaven 3.0
Resolution: 1024 x 768
Frames Per Second > Higher Is Better
NVIDIA GeForce GTX 680 . 91.81 |============================================
AMD Radeon HD 7950 ..... 99.16 |===============================================


Unigine Heaven 3.0
Resolution: 1680 x 1050
Frames Per Second > Higher Is Better
NVIDIA GeForce GTX 680 . 83.86 |=============================================
AMD Radeon HD 7950 ..... 88.41 |===============================================


Unigine Heaven 3.0
Resolution: 1600 x 1200
Frames Per Second > Higher Is Better
NVIDIA GeForce GTX 680 . 83.16 |=============================================
AMD Radeon HD 7950 ..... 87.12 |===============================================


Unigine Heaven 3.0
Resolution: 1920 x 1080
Frames Per Second > Higher Is Better
NVIDIA GeForce GTX 680 . 76.87 |=============================================
AMD Radeon HD 7950 ..... 80.44 |===============================================


Xonotic 0.6
Resolution: 2560 x 1600 - Effects Quality: Ultimate
Frames Per Second > Higher Is Better
NVIDIA GeForce GTX 680 . 91.93 |===============================================
AMD Radeon HD 7950 ..... 88.92 |=============================================


Unigine Heaven 3.0
Resolution: 1920 x 1200
Frames Per Second > Higher Is Better
NVIDIA GeForce GTX 680 . 74.28 |==============================================
AMD Radeon HD 7950 ..... 76.18 |===============================================


Xonotic 0.6
Resolution: 1920 x 1200 - Effects Quality: Ultimate
Frames Per Second > Higher Is Better
NVIDIA GeForce GTX 680 . 102.78 |==============================================
AMD Radeon HD 7950 ..... 92.48  |=========================================


Xonotic 0.6
Resolution: 1920 x 1080 - Effects Quality: Ultimate
Frames Per Second > Higher Is Better
NVIDIA GeForce GTX 680 . 102.32 |==============================================
AMD Radeon HD 7950 ..... 94.23  |==========================================


Xonotic 0.6
Resolution: 1680 x 1050 - Effects Quality: Ultimate
Frames Per Second > Higher Is Better
NVIDIA GeForce GTX 680 . 106.95 |==============================================
AMD Radeon HD 7950 ..... 94.98  |=========================================


Xonotic 0.6
Resolution: 1600 x 1200 - Effects Quality: Ultimate
Frames Per Second > Higher Is Better
NVIDIA GeForce GTX 680 . 106.47 |==============================================
AMD Radeon HD 7950 ..... 94.77  |=========================================