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这是ATI出的原卡?没牌子的~~??
Specifications | Performance | | | | | GPU : | HD 4870 X2 | | ASIC Core : | RV 700 X2 | | Core Clock : | 750 MHZ x 2 | | GPU Architecture : | | | BUS : | PCI Express x16 | | Ports : | 2 Dual-Link DVI,Video Out [S-Video, Composite, HDTV] | | Stream Processors : | 800 X2 | | MFG Process : | 0,055 µ | | Transistor Count : | 956 million transistors on 55nm fabrication proces | | Cooling : | Active - FanCooler |
| Video Quality | | | | | Cooling : | Active - FanCooler | | Standard Slot Solution : | DOUBLE | | CrossFire : | CrossFire X | | QuadFire Support : | YES | | Direct-X : | 8.0, 9.0, 10.0, 10.1 | | Open GL : | OpenGL 2.0 | | Vide Acceleration : | MPEG-2, MPEG-4, DivX, WMV9, VC-1, and H.264 | | Max Resolution Analog : | 2048 x 1536 | | Max Resolution Digital : | 2560 x 1600 | | HDR F.Point Rendering : | 128 | | HDR Integer : | 16-bit integer or floating point | | Anti Aliasing Modes : | Smoothvision HD + Adaptive AA.Up to 24x Custom Filter Anti-Aliasing | | Antisotropic Modes : | 2x/4x/8x/16x high quality adaptive anisotropic filtering modes (up to 128 taps per pixel) | | Texture Support : | Texturefiltering features 2x/4x/8x/16x high quality adaptive anisotropicfiltering modes (up to 128 taps per pixel) 128-bit floating point HDRtexture filtering Bicubic filtering sRGB filtering (gamma/degamma)Percentage Closer Filtering (PCF) Depth & stencil texture (DST)format support Shared exponent HDR (RGBE 9:9:9:5) texture formatsupport. | | Pixel Operation : | |
| Memory | | | | | Memory Clock : | 900 MHz x 2 | | Memory Configuration : | 64Mx32 | | Memory Type : | GDDR5 | | Memory Bandwidth : | 180.6 GB/sec | | Memory Size : | 2048MB | | Memory Interface : | 256-Bit x 2 | | RAMDAC : | Dual 400Mhz X2 |
| Display Support | | | | | HDTV : | YES | | HDMI : | HDMI 1.2 / HDMI Ready | | HDMI MODE : | DONGLE | | Native Display Support : | 18-, 24-, and 30-bit | | 3D Resolution : | 2560x1600 | | TV-OUT Resolution : | 720 | | Dual Display support : | Hydravision 4 | | Holywood Q.VIDEO : | YES |
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