ATI's Midrange Rebuttal: Radeon X1800GTO
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| ATI Radeon X1900, X1800, & X1600 Specifications | |||||
|---|---|---|---|---|---|
| Row 0 - Cell 0 | X1900XTX | X1900XT | X1800XT | X1800GTO | X1600XT |
| Process Technology | 90nm | 90nm | 90nm | 90nm | 90nm |
| Number of Transistors | 384M | 384M | 321M | 321M | 157M |
| Core Clocks (Vertex, Core) in MHz | 650/650 | 625/625 | 625/625 | 470/430 | 440/400 |
| Memory Clock (MHz / data rate) | 775/1550 | 725/1450 | 750/1500 | 500/1000 | 690/1380 |
| Vertex Shaders (#) | 8 | 8 | 8 | 8 | 8 |
| Pixel Shaders (#) | 48 | 48 | 16 | 12 | 12 |
| ROPs (#) | 16 | 16 | 16 | 16 | 16 |
| Texture units | 16 | 16 | 16 | 16 | 4 |
| Frame Buffer Size | 512 MB | 256 MB | 512 MB | 256 MB | 256 MB |
| Memory Bandwidth (GB/sec) | 49.6 | 46.4 | 48 | 32 | 44.16 |
| Vertices/Second (Millions) | 1300 | 1250 | 1300 | 940 | 880 |
| Pixel Fill Rate (# ROPs x clk) in Billions/sec | 10.4 | 7.2 | 8.8 | 6.88 | 6.4 |
| Texture Fill Rate (# Texture units x clk) in Billions/sec | 41.6 | 40 | 10 | 7.52 | 28.16 |
| RAMDACs | 400 MHz | 400 MHz | 400 MHz | 400 MHz | 400 MHz |
| Bus Technology | PCI Express | PCI Express | PCI Express | PCI Express | PCI Express |
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