OMG! HD 4850x2 RELEASED
AMD has released another monster HD 4850x2 manus ki korbe aisob na kine??:mellow:
Here is the review
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• 956 million transistors on 55nm fabrication process X2
• PCI Express 2.0 x16 bus interface
• 256-bit GDDR3 memory interface X2
• Microsoft® DirectX® 10.1 support
o Shader Model 4.1
o 32-bit floating point texture filtering
o Indexed cube map arrays
o Independent blend modes per render target
o Pixel coverage sample masking
o Read/write multi-sample surfaces with shaders
o Gather4 texture fetching
• Unified Superscalar Shader Architecture
o 800 stream processing units X2
- 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
- 128-bit floating point precision for all operations
o Command processor for reduced CPU overhead
o Shader instruction and constant caches
o Up to 160 texture fetches per clock cycle X2
o Up to 128 textures per pixelX2
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
• Dynamic Geometry Acceleration
o High performance vertex cache
o Programmable tessellation unit
o Accelerated geometry shader path for geometry amplification:zz:
o Memory read/write cache for improved stream output performance
• Anti-aliasing features
o Multi-sample anti-aliasing (2, 4 or 8 samples per pixel)
o Up to 24x Custom Filter Anti-Aliasing (CFAA) for improved quality
o Adaptive super-sampling and multi-sampling
o Gamma correct
o Super AA (ATI CrossFireX™ 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 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
• OpenGL 2.0 support
• ATI Avivo™ HD Video and Display Platform(not in NVIDIA)
o 2nd generation Unified Video Decoder (UVD 2)
o Enabling hardware decode acceleration of H.264, VC-1 and MPEG-2
o Dual stream playback (or Picture-in-picture)
o Hardware MPEG-1, and DivX video decode acceleration
- Motion compensation and IDCT
o ATI Avivo Video Post Processor
- New enhanced DVD upconversion to HD new!
- New automatic and dynamic contrast adjustment new!
- Color space conversion
- Chroma subsampling format conversion
- Horizontal and vertical scaling
- Gamma correction
- Advanced vector adaptive per-pixel de-interlacing
- De-blocking and noise reduction filtering
- Detail enhancement
- Inverse telecine (2:2 and 3:2 pull-down correction)
- Bad edit correction
- Full score in HQV (SD) and HQV (HD) video quality benchmarks
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 DVI display outputs
- Primary supports 18-, 24-, and 30-bit digital displays at all resolutions up to 1920x1200 (single-link DVI) or 2560x1600 (dual-link DVI)3
- Secondary supports 18-, 24-, and 30-bit digital displays at all resolutions up to 1920x1200 (single-link DVI only)3
- Each includes a dual-link HDCP encoder with on-chip key storage for high resolution playback of protected content4
o Two integrated 400MHz 30-bit RAMDACs
- Each supports analog displays connected by VGA at all resolutions up to 2048x15363
o DisplayPort™ output support
- Supports 24- and 30-bit displays at all resolutions up to 2560x16003
o HDMI output support
- Supports all display resolutions up to 1920x10803
- Integrated HD audio controller with up to 2 channel 48 kHz stereo or multi-channel (7.1) AC3 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 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
• ATI PowerPlay™
o Advanced power management technology for optimal performance and power savings
o Performance-on-Demand
- Constantly monitors GPU activity, dynamically adjusting clocks and voltage based on user scenario
- Clock and memory speed throttling:S
- Voltage switching
- Dynamic clock gating
o Central thermal management – on-chip sensor monitors GPU temperature and triggers thermal actions as required
• ATI CrossFireX™ Multi-GPU Technology
o Scale up rendering performance and image quality with two GPUs
o Integrated compositing engine
o High performance dual channel bridge interconnect
Darun card re babaami kobe kinbo kobe bd te asbo
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..oidin to khub bolla COD5 er thread e .... ajke abar ATI ?? bepar ki ? nvidia FANBOY 
