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All Reviews | More Computer Hardware Reviews
PowerColor HD 2900 XT Video Card Review
Date: 2007-07-05 Reviewed by: Shane McGlaun Manufacturer: PowerColor
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8.0/10
I4U Rating |
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| Graphics Engine |
RANEON HD2900 |
| Video Memory |
512MB MB GDDR3 |
| Engine Clock |
740 MHz |
| Memory Clock |
825 MHz x 2 |
| Memory Interface |
512bit |
| Max Resolution |
2048 x1536 |
| Bus Standard |
PCIE |
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700 million transistors on 80nm HS fabrication process
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512-bit 8-channel GDDR3/4 memory interface
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Ring Bus Memory Controller
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Unified Superscalar Shader Architecture
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320 stream processing units
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Dynamic load balancing and resource allocation for vertex, geometry, and pixel shaders
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Common instruction set and texture unit access supported for all types of shaders
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Dedicated branch execution units and texture address processors
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128-bit floating point precision for all operations
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Command processor for reduced CPU overhead
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Shader instruction and constant caches
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Up to 80 texture fetches per clock cycle
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Up to 128 textures per pixel
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Fully associative multi-level texture cache design
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DXTC and 3Dc+ texture compression
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High resolution texture support (up to 8192 x 8192)
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Fully associative texture Z/stencil cache designs
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Double-sided hierarchical Z/stencil buffer
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Early Z test, Re-Z, Z Range optimization, and Fast Z Clear
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Lossless Z & stencil compression (up to 128:1)
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Lossless color compression (up to 8:1)
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8 render targets (MRTs) with anti-aliasing support
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Physics processing support
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Full support for Microsoft?? DirectX?? 10.0
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Dynamic Geometry Acceleration
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High performance vertex cache
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Programmable tessellation unit
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Accelerated geometry shader path for geometry amplification
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Memory read/write cache for improved stream output performance
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Anti-aliasing features
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Multi-sample anti-aliasing (up to 8 samples per pixel)
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Up to 24x Custom Filter Anti-Aliasing (CFAA) for improved quality
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Adaptive super-sampling and multi-sampling
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Temporal anti-aliasing
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Gamma correct
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Super AA (CrossFirea?? configurations only)
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All anti-aliasing features compatible with HDR rendering
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Texture filtering features
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2x/4x/8x/16x high quality adaptive anisotropic filtering modes (up to 128 taps per pixel)
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128-bit floating point HDR texture filtering
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Bicubic filtering
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sRGB filtering (gamma/degamma)
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Percentage Closer Filtering (PCF)
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Depth & stencil texture (DST) format support
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Shared exponent HDR (RGBE 9:9:9:5) texture format support
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CrossFirea?? Multi-GPU Technology
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Scale up rendering performance and image quality with 2 or more GPUs
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Integrated compositing engine
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High performance dual channel interconnect
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ATI Avivoa?? HD Video and Display Platform
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Two independent display controllers
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Drive two displays simultaneously with independent resolutions, refresh rates, color controls and video overlays for each display
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Full 30-bit display processing
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Programmable piecewise linear gamma correction, color correction, and color space conversion
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Spatial/temporal dithering provides 30-bit color quality on 24-bit and 18-bit displays
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High quality pre- and post-scaling engines, with underscan support for all display outputs
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Content-adaptive de-flicker filtering for interlaced displays
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Fast, glitch-free mode switching
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Hardware cursor
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Two integrated dual-link DVI display outputs
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Each supports 18-, 24-, and 30-bit digital displays at all resolutions up to 1920x1200 (single-link DVI) or 2560x1600 (dual-link DVI)1
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Each includes a dual-link HDCP encoder with on-chip key storage for high resolution playback of protected content2
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Two integrated 400 MHz 30-bit RAMDACs
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HDMI output support
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Supports all display resolutions up to 1920x10801
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Integrated HD audio controller with multi-channel (5.1) AC3 support, enabling a plug-and-play cable-less audio solution
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Integrated AMD Xilleona?? HDTV encoder
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Provides high quality analog TV output (component/S-video/composite)
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Supports SDTV and HDTV resolutions
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Underscan and overscan compensation
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HD decode acceleration for H.264/AVC, VC-1, DivX and MPEG-2 video formats
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Flawless DVD, HD DVD, and Blu-raya?? playback
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Motion compensation and IDCT (Inverse Discrete Cosine Transformation)
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HD video processing
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Advanced vector adaptive per-pixel de-interlacing
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De-blocking and noise reduction filtering
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Edge enhancement
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Inverse telecine (2:2 and 3:2 pull-down correction)
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Bad edit correction
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High fidelity gamma correction, color correction, color space conversion, and scaling
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MPEG-2, MPEG-4, DivX, WMV9, VC-1, and H.264/AVC encoding and transcoding
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Seamless integration of pixel shaders with video in real time
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VGA mode support on all display outputs
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PCI Express x16 bus interface
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OpenGL 2.0 support
1 Some custom resolutions require user configuration
2 HDCP support for playback of protected content requires connection to a HDCP capable display
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