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The ability to write shaders that can be used on any hardware vendor's graphics card that supports the OpenGL Shading Language. Each hardware vendor includes the GLSL compiler in their driver, thus allowing each vendor to create code optimized for their particular graphics card’s architecture.
Texture fill rate is a measure of the speed with which a particular card can perform texture mapping. Though pixel shader processing is becoming more important, this number still holds some weight. Best example of this is the X1600 XT. This card has a 3 to 1 ratio of pixel shader processors/texture mapping units.
Shader operations - How many operations the pixel shaders (or unified shaders in Direct3D 10 and newer GPUs) can perform. Measured in operations/s. Vertex operations - The amount of geometry operations that can be processed on the vertex shaders in one second (only applies to Direct3D 9.0c and older GPUs). Measured in vertices/s.
Like the Nvidia GeForce 400 series graphics cards, the Nvidia GeForce 500 series supports Direct3D 12.0 (feature level 11.0), OpenGL 4.6, and OpenCL 1.1. The refreshed Fermi chip includes 512 stream processors , grouped in 16 stream multiprocessors clusters (each with 32 CUDA cores), and is manufactured by TSMC in a 40 nm process.
1 SPs – Shader Processors – Unified Shaders : Texture mapping units : Render output units; 2 The GeForce 605 (OEM) card is a rebranded GeForce 510. 3 The GeForce GT 610 card is a rebranded GeForce GT 520. 4 The GeForce GT 620 (OEM) card is a rebranded GeForce GT 520. 5 The GeForce GT 620 card is a rebranded GeForce GT 530.
The CPU sends instructions (compiled shading language programs) and geometry data to the graphics processing unit, located on the graphics card. Within the vertex shader, the geometry is transformed. If a geometry shader is in the graphics processing unit and active, some changes of the geometries in the scene are performed.
Intel Arc is a brand of graphics processing units designed by Intel.These are discrete GPUs mostly marketed for the high-margin gaming PC market. The brand also covers Intel's consumer graphics software and services.
The primary change between the R580 and the R520 is that ATI changed the pixel shader processor-to-texture processor ratio. The X1900 cards have three pixel shaders on each pipeline instead of one, giving a total of 48 pixel shader units. ATI took this step with the expectation that future 3D software will be more pixel shader intensive. [15]