[XF] PowerColor HD 2900XT (ATI 給 NVIDIA 的反擊！)

PowerColor HD 2900XT 512MB 512Bit DDR3
       

記憶體 & 頻寬---512MB MB GDDR3 / 512bit
晶片核心時脈----740 MHz
記憶體時脈-------825 MHz x 2
輸出----------------DVIx2/ HDMI
匯流排介面-------PCIE
像素管線----------320 stream processing units
Direct X 10
TV 轉接頭--------S-Vide


    *  700 million transistors on 80nm HS fabrication process
    * 512-bit 8-channel GDDR3 memory interface
    * Ring Bus Memory Controller
          o Fully distributed design with 1024-bit internal ring bus for memory reads and writes
          o Optimized for high performance HDR (High Dynamic Range) rendering at high display resolutions
    * Unified Superscalar Shader Architecture
          o 320 stream processing units
                + Dynamic load balancing and resource allocation for vertex, geometry, and pixel shaders
                + Common instruction set and texture unit access supported for all types of shaders
                + Dedicated branch execution units and texture address processors
          o 128-bit floating point precision for all operations
          o Command processor for reduced CPU overhead
          o Shader instruction and constant caches
          o Up to 80 texture fetches per clock cycle
          o Up to 128 textures per pixel
          o Fully associative multi-level texture cache design
          o DXTC and 3Dc+ texture compression
          o High resolution texture support (up to 8192 x 8192)
          o Fully associative texture Z/stencil cache designs
          o Double-sided hierarchical Z/stencil buffer
          o Early Z test, Re-Z, Z Range optimization, and Fast Z Clear
          o Lossless Z & stencil compression (up to 128:1)
          o Lossless color compression (up to 8:1)
          o 8 render targets (MRTs) with anti-aliasing support
          o Physics processing support
    * Full support for Microsoft® DirectX® 10.0
          o Shader Model 4.0
          o Geometry Shaders
          o Stream Output
          o Integer and Bitwise Operations
          o Alpha to Coverage
          o Constant Buffers
          o State Objects
          o Texture Arrays
    * Dynamic Geometry Acceleration
          o High performance vertex cache
          o Programmable tessellation unit
          o Accelerated geometry shader path for geometry amplification
          o Memory read/write cache for improved stream output performance
    * Anti-aliasing features
          o Multi-sample anti-aliasing (up to 8 samples per pixel)
          o Up to 24x Custom Filter Anti-Aliasing (CFAA) for improved quality
          o Adaptive super-sampling and multi-sampling
          o Temporal anti-aliasing
          o Gamma correct
          o Super AA (CrossFire™ configurations only)
          o All anti-aliasing features compatible with HDR rendering
    * Texture filtering features
          o 2x/4x/8x/16x high quality adaptive anisotropic filtering modes (up to 128 taps per pixel)
          o 128-bit floating point HDR texture filtering
          o Bicubic filtering
          o sRGB filtering (gamma/degamma)
          o Percentage Closer Filtering (PCF)
          o Depth & stencil texture (DST) format support
          o Shared exponent HDR (RGBE 9:9:9:5) texture format support
    * CrossFire™ Multi-GPU Technology
          o Scale up rendering performance and image quality with 2 or more GPUs
          o Integrated compositing engine
          o High performance dual channel interconnect
    * ATI Avivo™ HD Video and Display Platform
          o Two independent display controllers
                + Drive two displays simultaneously with independent resolutions, refresh rates, color controls and video overlays for each display
                + Full 30-bit display processing
                + Programmable piecewise linear gamma correction, color correction, and color space conversion
                + Spatial/temporal dithering provides 30-bit color quality on 24-bit and 18-bit displays
                + High quality pre- and post-scaling engines, with underscan support for all display outputs
                + Content-adaptive de-flicker filtering for interlaced displays
                + Fast, glitch-free mode switching
                + Hardware cursor
          o Two integrated dual-link DVI display outputs
                + Each supports 18-, 24-, and 30-bit digital displays at all resolutions up to 1920x1200 (single-link DVI) or 2560x1600 (dual-link DVI)1
                + Each includes a dual-link HDCP encoder with on-chip key storage for high resolution playback of protected content2
          o Two integrated 400 MHz 30-bit RAMDACs
                + Each supports analog displays connected by VGA at all resolutions up to 2048x15363
          o HDMI output support
                + Supports all display resolutions up to 1920x10801
                + Integrated HD audio controller with multi-channel (5.1) AC3 support, enabling a plug-and-play cable-less audio solution
          o Integrated AMD Xilleon™ HDTV encoder
                + Provides high quality analog TV output (component/S-video/composite)
                + Supports SDTV and HDTV resolutions
                + Underscan and overscan compensation
          o HD decode acceleration for H.264/AVC, VC-1, DivX and MPEG-2 video formats
                + Flawless DVD, HD DVD, and Blu-ray™ playback
                + Motion compensation and IDCT (Inverse Discrete Cosine Transformation)
          o HD video processing
                + Advanced vector adaptive per-pixel de-interlacing
                + De-blocking and noise reduction filtering
                + Edge enhancement
                + Inverse telecine (2:2 and 3:2 pull-down correction)
                + Bad edit correction
                + High fidelity gamma correction, color correction, color space conversion, and scaling
          o MPEG-2, MPEG-4, DivX, WMV9, VC-1, and H.264/AVC encoding and transcoding
          o Seamless integration of pixel shaders with video in real time
          o VGA mode support on all display outputs
    * PCI Express x16 bus interface
    * 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

一次兩片......
期待測試嚕~~:)...

要  CrossFire  了嗎??

哈哈！應該會很強！

原帖由 guava54 於 2007-5-22 17:21 發表
我有一點不了解，
現在市面上所謂的HDMI Output Support，都是指DVI轉HDMI接頭嗎？
沒有原生的HDMI接口嗎？（只是想要了解一下未來的趨勢會是如何）

的確有單以DVI轉HDMI的偽物

但是ATI的R600 GPU(也就是這片HD 2900XT所用的)是真的內建HDMI輸出
接上轉接頭後即會使用原生HDMI輸出
而非使用轉接頭轉換訊號

原帖由 湖太郎 於 2007-5-22 19:36 發表


的確有單以DVI轉HDMI的偽物

但是ATI的R600 GPU(也就是這片HD 2900XT所用的)是真的內建HDMI輸出
接上轉接頭後即會使用原生HDMI輸出
而非使用轉接頭轉換訊號 ...

連音源及影像都一體合成

NIVDIA 應該要更謹慎了
R600的實力真的不錯，在預設值下，沒有TWEAK及LOD調整
在 FUTUREMARK 表現下已經讓 NVIDIA 高階卡汗顏了…
內建HDMI (顯像及音效輸出) 加上迷人的價格，2900XT 真是好物！

Default Clcok - Single Card 2900XT IN 3DMARK

測試設備：
X6800 Stock 2.93G 11x267
DDRII 800 3.3.3.1 512MBX2
ASUS P5WDG2-WS-PRO (975X)
PowerColor HD 2900XT Default (743/828) - SINGLE CARD
ZIPPY850W
WINDOWS XP SP2 (NO Tweaking)

3DMARK 05 - 18260


3DMARK03 - 37721


3DMARK06 - 10804

Default Clcok - CrossFire 2900XT IN 3DMARK

測試設備：
X6800 Stock 2.93G 11x267
DDRII 800 3.3.3.1 512MBX2
ASUS P5WDG2-WS-PRO (975X)
PowerColor HD 2900XT Default (743/828) - CrossFire
ZIPPY850W
WINDOWS XP SP2 (NO Tweaking)

3DMARK05 - 19561


3DMARK03 - 61941


3DMARK06 - 13892

DeFault VGA Clock - CrossFire - 2900XT CPU OC 3.6G IN 3DMARK

測試設備：
X6800 Stock 2.93G @ 3.6G 9X400
DDRII 800 3.3.3.1 512MBX2
ASUS P5WDG2-WS-PRO (975X)
PowerColor HD 2900XT Default (743/828) - CrossFire
ZIPPY850W
WINDOWS XP SP2 (NO Tweaking)

3DMARK05 - 23771


3DMARK03 - 64762


3DMARK06 - 16319

CrossFire後 X6800 oc 3.6G 都餵不飽的樣子