ATI and Nvidia's Same-Day Mega-Launch Mayhem

GeForce 7600GT, Continued

Lastly, the die is 125 sqmm. This makes it 71-sqmm smaller that the 7900GTX and 24-sqmm smaller than the ATI RV530. This smaller package does away with the requirement of an additional power connection.

The chart below shows the core differences between the new- and last-generation architecture.

NVIDIA GeForce 7900, 7800, & 7600 Specifications
  7900 GTX 7900 GT 7800 GTX 512 7800 GTX 7800 GT 7800 GS AGP 7600 GT
Process Technology 90nm 90nm 110nm 110nm 110nm 110nm 90nm
Number of Transistors 278M 278M 302M 302M 302M 302M 178M
Core Clocks (Vertex, Core) in MHz 700/650 470/450 550/550 470/430 440/400 375/375 560/560
Memory Clock (MHz / data rate) 800/1600 660/1320 850/1700 600/1200 500/1000 600/1200 700/1400
Vertex Shaders (#) 8 8 8 8 7 6 5
Pixel Shaders (#) 24 24 24 24 20 16 12
ROPs (#) 16 16 16 16 16 8 8
Memory Interface 256-bit 256-bit 256-bit 256-bit 256-bit 256-bit 128-bit
Frame Buffer Size 512 MB 256 MB 512 MB 256 MB 256 MB 256 MB 256 MB
Memory Bandwidth (GB/sec) 51.2 42.2 54.4 38.4 32 38.4 22.4
Vertices/Second (Millions) 1400 940 1100 940 770 562.5 700
Pixel Fill Rate (# ROPs x clk) in Billions/sec 10.4 7.2 8.8 6.88 6.4 3 4.48
Texture Fill Rate (# pixel pipes x clk) in Billions/sec 15.6 10.8 13.2 10.32 8 6 6.72
RAMDACs 400 MHz 400 MHz 400 MHz 400 MHz 400 MHz 400 MHz 400 MHz
Bus Technology PCI Express PCI Express PCI Express PCI Express PCI Express AGP 8X PCI Express

Here is a slide Nvidia showed us at editor's day comparing the G73 and R530.

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