NVIDIA, AMD, Intel Explain How OpenGL Can Unlock 15x Performance Gains
 

NVIDIA teamed up with AMD and Intel to deliver good news at this week's Game Developer Conference in San Francisco. AMD's Graham Sellers, Intel's Tim Foley, and our own Cass Everitt and John McDonald appeared on the same panel to explain the high-level concepts available in today's OpenGL implementations that reduce driver overhead by up to 10x or more. With OpenGL, an open, vendor-neutral standard, developers can get significantly better performance – up to 1.3 times. But with a little tuning, they can get 7 to 15 times more performance. That's a figure that will make any developer sit up and listen.

http://www.hardocp.com/news/2014/03/...ormance_gains/