NVIDIA Quadro FX 4500 features 24 pixel processors as well as 8 vertex processors, according to NVIDIA Corp. NVIDIA spokespersons declined to comment on the clock-speeds of the graphics processing units, which vary in case of the GeForce 7800 GTX: the chip’s pixel processors operate at 430MHz, whereas vertex processors function at 470MHz. Nevertheless, it is known that GDDR3 memory clock-speed of the part is 1050MHz.
Both of the newly introduced Quadro FX products – 3450 and 4500 – support Shader Model 3.0, Open EXR HDR lighting and other capabilities provided by both GeForce 6 and GeForce 7 desktop generations of graphics processors. In addition, the products sport caps exclusively available on the Quadro-series accelerators thanks to special drivers and software suites. The most advanced Quadro FX model presently is 4500, which is based on the GeForce 7 architecture, thus, provides the highest speed possible.
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