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Home > Hardware Reviews > Graphics Cards

Wednesday, June 22, 2005
Sapphire X850XT

2. Features

  • 256MB of GDDR3 memory
  • 256-bit memory interface
  • 16 parallel pixel pipelines
  • PCI Express x16 lane native support
  • Dual display support
  • Dual integrated 400MHz DAC's
  • 2048x1536 @ 85Hz Maximum Resolution
  • S-Video TV-out port
  • Full support for DirectX® 9.0 and the latest OpenGL® 2.0 functionality
  • SMARTSHADER™ HD technology
  • SMOOTHVISION™ HD technology
  • 3Dc™ High quality 4:1 Normal Map Compression delivers beautiful scenes without the performance hit.
  • Unique VIDEOSHADER™ HD engine uses programmable pixel shaders to accelerate video processing and provide better-looking visuals
  • HYPER Z™ HD is optimized for performance at high display resolutions, including widescreen HDTV resolutions.
X850 Pro
X850 XT
X850 XT Platinum
Core(MHz) 520 520 540
Memory(MHz) 540 540 590
Pipelines 12 16 16
GPU R480 R480 R480
Approx. Retail Price $350 $470 $530

SMARTSHADER! HD
Full hardware acceleration of Microsoft® DirectX® 9.0 programmable vertex and pixel shaders in hardware
DirectX 9.0 Vertex Shaders
- Vertex programs up to 65,280 instructions with flow control
- Single cycle trigonometric operations (SIN & COS)
DirectX 9.0 Extended Pixel Shaders
- Up to 1,536 instructions and 16 textures per rendering pass
- 32 temporary and constant registers
- Facing register for two-sided lighting
- 128-bit, 64-bit & 32-bit per pixel floating point color formats
- Multiple Render Target (MRT) support
Complete feature set supported in OpenGL®
via extensions

SMOOTHVISION! HD
2x/4x/6x Anti-Aliasing modes Sparse multi-sample algorithm with gamma correction, programmable sample patterns and centroid sampling Lossless Color compression (up to 6:1) at all resolutions, including widescreen HDTV resolutions Temporal Anti-Aliasing 2x/4x/8x/16x Anisotropic Filtering modes
- Up to 128-tap texture filtering per AA sample
- Adaptive anisotropic filtering algorithm with bilinear (performance) and trilinear (quality) options

HYPER Z! HD
3-level 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, including widescreen HDTV resolutions

VIDEOSHADER! HD
Seamless integration of pixel shaders and video in real time
FULLSTREAM™ video de-blocking technology for Real, DivX, WMV9 and WMV10 formats
VIDEOSOAP™ noise removal filtering for captured video
MPEG1/2/4 decode and encode acceleration DXVA support 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)




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