nVidia fights back

In an effort to draw consumers away from rival GPU manufacturer ATi, nVidia has just launched three new GPUs

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By  Jason Saundalkar Published  March 16, 2006

In an effort to draw consumers away from rival GPU manufacturer ATi, nVidia has just launched three new GPUs. Aimed at performance users, the 7900GTX (codenamed G71) is the successor to the older 7800GTX. Compared to the older chip, the newer GPU is manufactured using a 90nm fabrication process and offers higher core speeds (650MHz versus 430MHz) and memory speeds (1200MHz versus 1600MHz). All 7900GTX cards are expected to sport no less than 512Mbytes of GDDR3 memory. While these are three fairly major differences compared to the 7800GTX, both chipsets sport exactly the same number of pixel and vertex processors (24 and eight respectively). These are responsible for adding effects to graphics. Cards sporting this chipset and memory configuration are expected to retail for $499. Along with the 7900GTX, nVidia also launched the 7900GT and 7600GT. The mid-range 7900GT offers exactly the same number of pixel and vertex shaders as the 7900GTX and is restricted only with slower core and memory speeds or 430MHz and 1320MHz. Cards sporting this chipset and 256Mbytes of GDDR3 RAM are expected to sell for $299. Billed as an entry-level solution, the 7600GT (codenamed G73) sports core and memory speeds of 560MHz and 1400MHz respectively and just 12 pixel and five vertex processors. SLI support is present across the board and graphics card vendor XFX already has cards in stores in the region via its distributor FDC.

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