Dual DVI and s-video ports. The X1900 series supports HDTV through the S-Video - YPbPr Connection for HDTV
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| Sapphire RADEON X1900 XTX Arguably the fastest out there.. | ||
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(Review by MS, February 20, 2006) |
| ATI X1600 XT |
RADEON X1900 XTX in Comparison
| Core Clock [MHz] | Pixel Pipelines | Texture Units/Pixel Pipeline | Fill Rate (Single) [MPixels/sec] | Fill Rate (Multi) [MTexels/sec] | Memory Clock [Mbps] | Memory Bus Width [bit] | Memory Bandwidth [GB/s] | |
| GeForce 6800GT | 350 | 16 | 1 | 5600 | 5600 | 1000 | 256 | 35.2 |
| GeForce 6800 Ultra Extreme | 450 | 16 | 1 | 7200 | 7200 | 1100 | 256 | 35.2 |
| RADEON X850XT Platinum Edition | 540 | 16 | 1 | 8640 | 8640 | 1180 | 256 | 37.76 |
| RADEON X1900XT | 625 | 48* | 1/3 | 10000** | 10000** | 1450 | 256 | 46.4 |
| RADEON X1900XTX | 650 | 48* | 1/3 | 10400** | 10400** | 1550 | 256 | 49.6 |
| GeForce 7800GT | 400 | 20 | 1 | 8000 | 8000 | 1000 | 256 | 32 |
| GeForce 7800GTX | 430 | 24 | 1 | 10320 | 10320 | 1200 | 256 | 38.4 |
| GeForce 7800GTX-512 | 550 | 24 | 1 | 13200 | 13200 | 1700 | 256 | 54.4 |
*,** The R580 core used in the RADEON X1900 XTX uses 48 pixel shader "processors" but internally, three of these shaders are feeding into a single shader backend. This leaves a total of 16 shader outputs that are working in parallel. The XTX core is, at least in theory, capable to process 31.2 Gpixels/sec however, the 16 render back ends can output "only" 10.4 Gpixels/sec. The same architecture is used in the more pedestrian X1900 XT which, from a technology point of view, is identical to the XTX but runs at slightly lower frequencies for core and memory. That is, where the X1900 XTX clocks in at 625 MHz/1550 MHz for core and memory, respectively, the - XT runs at a slightly tamer 625/1450 MHx to deliver "only" 30 GPixels/sec internally and 10 GPixels/sec final output.
Dual DVI and s-video ports. The X1900 series supports HDTV through the S-Video - YPbPr Connection for HDTV
Detailed Specs
| Form Factor | ATX 110 mm x 230 mm (including PCIe connector) |
| Frame Buffer Memory | 512 MB GDDR3 |
| Memory Interface | 256 bit |
| Memory Bandwidth | 49.6 GB/sec |
| Max Power Consumption | ~ 150 W (full load) |
| Graphics Bus | PCI Express x 16 |
| Display Connectors | DVI-I, DVI-I, |
| Dual Link DVI | Yes (2) |
| Auxiliary Power Connectors | Yes (1) |
| Number of Slots | 2 |
| Crossfire Support | Yes (Master Card needed) |
| Sapphire RADEON X1900XTX |
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