Introduction

GDDR4 memory which is running at a whopping 1 GHz / 2 GHz DDR.

Improved cooling solution which allows quieter operation and better overclocking

Very competitive price of $449 / € 399 at launch.

GPU Core clock. 650 MHz

Video Memory. 512 MB

Pipeline / Shader count. 16 / 48.

GPU Process size. 90nm.

Still Crossfire Master card required to run CF.

Complete Specifications

384 million transistors on 90nm fabrication process

Up to 48 pixel shader processors

8 vertex shader processors

Up to 256-bit 8-channel GDDR4 memory interface

Native PCI Express x16 bus interface

Up to 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

Complete feature set also supported in OpenGL® 2.0

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)

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

Dual integrated dual-link DVI transmitters

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

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)

Today we have on our testbench ATI's brand-new Radeon X1950 XTX which is based on the "R580+" according to ATI.The major new features of this card compared to the X1900 XTX are:What has not changed:FeaturesRing Bus Memory ControllerAdvanced Image Quality FeaturesAvivo™ Video and Display PlatformCrossFire™Let's take a look at the Radeon X1950 XTX card.