Radeon™ X1950 Graphics Technology - GPU Specifications

Features

* 36 pixel shader processors
* 8 vertex shader processors
* Up to 256-bit 8 channel GDDR3 memory interface
* Native PCI Express® x16 bus interface
* Plug-and-play (native) CrossFire™

Shader Technology

* Support for Microsoft® DirectX® 9.0 programmable vertex and pixel shaders in hardware.
* Shader Model 3.0 vertex and pixel shader support:
o Full speed 32-bit floating point processing
o High dynamic range rendering with floating point blending and anti-aliasing support
o High performance dynamic branching and flow control
* Complete feature set also supported in OpenGL® 2.0

Anti-Aliasing and Anisotropic Filtering

* 2x/4x/6x Anti-Aliasing modes:
o Sparse multi-sample algorithm with gamma correction, programmable sample patterns, and centroid sampling
o New Adaptive Anti-Aliasing mode
o Temporal Anti-Aliasing
* Lossless Color Compression (up to 6:1) at all resolutions, up to and including widescreen HDTV
* 2x/4x/8x/16x Anisotropic Filtering modes:
o Up to 128-tap texture filtering
o Adaptive algorithm with performance and quality options
* Improved rendering with higher subpixel precision and LOD computation levels
o New rotational high quality rendering mode

3Dc+™ — Advanced Texture Compression

* High quality 4:1 compression for normal maps and luminance maps
* Works with any single-channel or two-channel data format

Ring Bus Memory Controller

* Programmable arbitration logic maximizes memory efficiency, software upgradeable
* New fully associative texture, color, and Z cache design
* Hierarchical Z-Buffer with Early Z Test
* Lossless Z-Buffer Compression (up to 48:1)
* Fast Z-Buffer Clear
* Z Cache optimized for real-time shadow rendering
* Optimized for performance at high display resolutions, up to and including widescreen HDTV

Avivo™ Video and Display Engine

* New advanced video capabilities, including high fidelity gamma, color correction and scaling
* Dual independent display controllers that support true 30 bits per pixel throughout the display pipe
* Full symmetry on both heads
* Each display interface supports display resolutions beyond 2560x1600
* Advanced DVI capabilities, including 10-bit, 16-bit HDR output
* YPrPb component output for direct drive of HDTV displays
* Seamless integration of pixel shaders with video in real time
* MPEG1/2/4 decode and encode acceleration:
* DXVA support
o Hardware motion compensation, iDCT, DCT and color space conversion
* All-format DTV/HDTV decoding
* Adaptive per-pixel de-interlacing and frame rate conversion (temporal filtering)

CrossFire™

* Multi-GPU technology

* Four modes of operation:
o Alternate frame rendering for maximum performance
o Supertiling for optimal load-balancing
o Scissoring for compatibility
o Super AA for maximum image quality

* Native CrossFire support simplifies setup by requiring no dedicated slave or master hardware
* 24-bit CrossFire connection enables high resolutions and refresh rates
* Supports the broadest range of platforms for both Intel and AMD

Radeon™ X1950 Series Product Comparison: