GPU Specifications

Features

• 157 million transistors on 90nm fabrication process
• 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
• Dynamic Voltage Control

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 test
• 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
• 2x/4x/8x/16x Anisotropic Filtering modes
• Up to 128-tap texture filtering
• Adaptive algorithm with Performance and Quality options
• High resolution texture support (up to 4k x 4k)

Avivo™ Video and Display Platform

• High performance programmable video processor
• Accelerated MPEG-2, MPEG-4, DivX, WMV9, VC-1, and H.264 decoding and transcoding
• DXVA support
• De-blocking and noise reduction filtering
• Motion compensation, IDCT, DCT and color space conversion
• Vector adaptive per-pixel de-interlacing
• 3:2 pulldown (frame rate conversion)
• Seamless integration of pixel shaders with video in real time
• HDR tone mapping acceleration
• Maps any input format to 10 bit per channel output
• Flexible display support
• DVI 1.0 compliant / HDMI interoperable and HDCP ready **
• Dual integrated 10 bit per channel 400 MHz DACs
• 16 bit per channel floating point HDR and 10 bit per channel DVI output
• Programmable piecewise linear gamma correction, color correction, and color space conversion (10 bits per color)
• Complete, independent color controls and video overlays for each display
• High quality pre- and post-scaling engines, with underscan support for all outputs
• Content-adaptive de-flicker filtering for interlaced displays
• Xilleon™ TV encoder for high quality analog output
• YPrPb component output for direct drive of HDTV displays*
• Spatial/temporal dithering enables 10-bit color quality on 8-bit and 6-bit displays
• Fast, glitch-free mode switching
• VGA mode support on all outputs
• Drive two displays simultaneously with independent resolutions and refresh rates
• Compatible with ATI TV/Video encoder products, including Theater 550