Performance
| DirectX version |
9.0 |
| OpenGL version |
2.0 |
| Shader model version |
3.0 |
| PhysX |
N |
| TV tuner integrated |
N |
| HDCP |
N |
Memory
| Memory bus |
128 bit |
| Memory clock speed |
800 MHz |
| Discrete graphics adapter memory |
2.5 GB |
Other features
| HDMI |
Y |
| Mac compatibility |
N |
Ports & interfaces
| Interface type |
PCI Express x16 |
| HDMI ports quantity |
1 |
| VGA (D-Sub) ports quantity |
1 |
X1650PRO, 256 MB DDR2, 600 MHz, 400 MHz x 2, 128 bit, PCIe, DL-DVI/DVI/TV-Out
Features
- Dual-link DVI
- Twelve pixel shader processors
- Five vertex shader processors
- 128-bit 4-channel DDR/DDR2/GDDR3 memory interface
- Native PCI Express x16 bus interface
- AGP 8x configurations also supported with AGP-PCI-E external bridge chip
Ring Bus Memory Controller
- 256-bit internal ring bus for memory reads
- Programmable intelligent arbitration logic
- Fully associative texture, color, and Z/stencil cache designs
- Hierarchical Z-buffer with Early Z tes
- Lossless Z Compression (up to 48:1)
- Fast Z-Buffer Clear
- Z/stencil cache optimized for real-time shadow rendering
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 128 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
- 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
- Multiple Render Target (MRT) support
- Render to vertex buffer support
- Complete feature set also supported in OpenGL® 2.0
Advanced Image Quality Features
- 64-bit floating point HDR rendering supported throughout the pipeline
- Includes support for blending and multi-sample anti-aliasing
- 32-bit integer HDR (10:10:10:2) format supported throughout the pipeline
- Includes support for blending and multi-sample anti-aliasing
- 2x/4x/6x Anti-Aliasing modes
- Multi-sample algorithm with gamma correction, programmable sparse sample patterns, and centroid sampling
- New Adaptive Anti-Aliasing feature with Performance and Quality modes
- Temporal Anti-Aliasing mode
- Lossless Color Compression (up to 6:1) at all resolutions, including widescreen HDTV resolutions
Avivo Video and Display Platform
- High performance programmable video processor
- Seamless integration of pixel shaders with video in real time
- HDR tone mapping acceleration
- o Maps any input format to 10 bit per channel output
- Flexible display support
- Compatible with ATI TV/Video encoder products, including Theater 550
