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Currently Unavailable
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Manufacturer Contact Info
|
| Model |
| Brand |
POWERCOLOR |
| Model |
X1900GT 256MB |
| Interface |
| Interface |
PCI Express x16 |
| Chipset |
| Chipset Manufacturer |
ATI |
| GPU |
Radeon X1900GT |
| Core Clock |
575MHz |
| PixelPipelines |
12(36 Pixel Processors) |
| Memory |
| Effective Memory Clock |
1200MHz |
| Memory Size |
256MB |
| Memory Interface |
256-bit |
| Memory Type |
GDDR3 |
| 3D API |
| DirectX |
DirectX 9 |
| OpenGL |
OpenGL 2.0 |
| Ports |
| DVI |
2 x DVI |
| TV-Out |
HDTV / S-Video / Composite Out |
| VIVO |
Yes |
| General |
| Tuner |
None |
| RAMDAC |
400 MHz |
| Max Resolution |
2560 x 1600 |
| RoHS Compliant |
Yes |
| Cooler |
With Fan |
| Operating Systems Supported |
Windows 2000/XP |
| System Requirements |
Connection to the system power supply is required:
450-Watt power supply or greater, 30 Amps on 12 volt rail recommended (assumes fully loaded system)
PCI Express compliant power supply (recommended). Connect directly to the power supply with a 6 pin PCI Express power connector
For CrossFire: 550 watt power supply or greater, 38 Amps on 12 volt rail |
| Features |
| Features |
Features
- 384 million transistors on 90nm fabrication process
- 36 pixel shader processors
- 8 vertex shader processors
- 256-bit 8-channel GDDR3 memory interface
- Native PCI Express x16 bus interface
Ring Bus Memory Controller
- 512-bit internal ring bus for memory reads
- Fully associative texture, color, and Z/stencil cache designs
- Hierarchical Z-buffer with Early Z test
- Lossless Z Compression (up to 48:1)
- Fast Z-Buffer Clear
- Optimized for performance at high display resolutions, including widescreen HDTV resolutions
Ultra-Threaded Shader Engine
- Support for Microsoft DirectX 9.0 Shader Model 3.0 programmable vertex and pixel shaders in hardware
- Full speed 128-bit floating point processing for all shader operations
- Up to 512 simultaneous pixel threads
- Dedicated branch execution units for high performance dynamic branching and flow control
- Dedicated texture address units for improved efficiency
- 3Dc+ texture compression o High quality 4:1 compression for normal maps and two-channel data formats
- High quality 2:1 compression for luminance maps and single-channel data formats
- Complete feature set also supported in OpenGL 2.0
Advanced Image Quality Features
- 64-bit floating point HDR rendering supported throughout the pipeline
- 32-bit integer HDR (10:10:10:2) format supported throughout the pipeline
- 2x/4x/6x Anti-Aliasing modes
- 2x/4x/8x/16x Anisotropic Filtering modes
- High resolution texture support (up to 4k x 4k)
CrossFire
- Multi-GPU technology
- Four modes of operation:
- Alternate Frame Rendering (maximum performance)
- Supertiling (optimal load-balancing)
- Scissor (compatibility)
- Super AA 8x/10x/12x/14x (maximum image quality)
RoHS Compliant |
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