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CPU MOTHERBOARD TECH VIDEO REVIEWS

POWERCOLOR RADEON 4870 PCS

"Powercolor Radeon 4870 PCS uses RV770 GPU at 780Mhz and has 1GB GDDR5 memory running at 3600Mhz. Powercolor Radeon 4870 PCS has a 256Bit Memory Interface, 800 Shader Processors and DirectX 10.1. Powercolor Radeon 4870 PCS faces the powerful Powercolor Radeon 5770 which has DX11 and 800 Shader Processors. Software used for testing was 3dmark 2006, 3dmark Vantage, Crysis 2, Hawk and Lost Planet 2."

POWERCOLOR RADEON 4870 PCS

"Powercolor Radeon HD 4870 PCS uses the advanced Professional Cooling System Optimized by Zerotherm. Powercolor Radeon HD 4870 PCS uses the Graphics Engine Radeon HD 4870 with 1GB GDDR5 Video Memory. Powercolor Radeon HD 4870 PCS has a Engine Clock of 780MHz, Memory Clock of 925Mhz which is 3.7Gbps and Memory Interface is 256bit. Powercolor Radeon HD 4870 PCS has DirectX 10.1 Support and has Bus Standard of PCIE 2.0. Powercolor Radeon HD 4870 PCS has Display Connectors which are DL-DVI,DL-DVI and TV-Out."

"Powercolor Radeon HD 4870 PCS brings the power of graphics supercomputing to gamers, setting a new standard for visual computing. Redefine the way you play and take HD gaming to the extreme with best in class performance. With up to 1.2 teraFLOPS on tap, the TeraScale graphics engine delivers an immersive, cinematic gaming experience. Add this graphics card to your PC and watch Blu ray movies and play HD content with incredible visual fidelity or take your experience to another level with new multimedia capabilities. Do it all with break through efficiency that doesn't compromise performance."

"Powercolor Radeon HD 4870 PCS benefits ares:- The new TeraScale graphics engine features up to 1.2 teraFLOPS, nearly one billion transistors and up to 800 stream processors so you can enjoy the high resolutions and fast frame rates previously only available with dual-card systems. Equipped with the fastest, most advanced GDDR5 memory technology, this GPU supports higher data rates which translates directly into superior performance and maximum memory bandwidth. Get right in the action and experience cinematic gaming with mind-blowing performance in the latest DirextX 10.1 games. High performance anisotropic filtering and 24x custom filter anti-aliasing (CFAA) smooth jagged edges and create true-to-life graphics, for everything from grass to facial features. Accelerated Video Transcoding (AVT) allows you to convert videos to H.264 and MPEG-2 formats up to 19x faster than when using a just CPU."

Microsoft DirectX 10.1 support

"ShaderModel 4.1. 32-bit floating point texture filtering. Indexed cube map arrays. Independent blend modes per render target. Pixel coverage sample masking. Read/write multi-sample surfaces with shaders. Gather4 texture fetching."

Unified Superscalar Shader Architecture

"800 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."

128-bit floating point precision for all operations

"Command processor for reduced CPU overhead. Shader instruction and constant caches. Up to 160 texture fetches per clock cycle. Up to 128 textures per pixel. Fully associative multi-level texture cache design. DXTC and 3Dc+ texture compression. High resolution texture support (up to 8192 x 8192). Fully associative texture Z/stencil cache designs. Double-sided hierarchical Z/stencil buffer. Early Z test, Re-Z, Z Range optimization, and Fast Z Clear. Lossless Z and stencil compression (up to 128:1). Lossless color compression (up to 8:1). Accelerated physics processing."

Dynamic Geometry Acceleration

"High performance vertex cache. Programmable tessellation unit. Accelerated geometry shaderpath for geometry amplification. Memory read/write cache for improved stream output performance."

Anti-aliasing features

"Multi-sample anti-aliasing (2, 4, or 8 samples per pixel). Up to 24x Custom Filter Anti-Aliasing (CFAA) for improved quality. Adaptive super-sampling and multi-sampling. Gamma correct. Super AA. All anti-aliasing features compatible with HDR renderin."

Texture filtering features

"2x/4x/8x/16x high quality adaptive anisotropic filtering modes (up to 128 taps per pixel). 128-bit floating point HDR texture filtering. sRGB filtering (gamma/degamma). Percentage Closer Filtering (PCF). Depth and stencil texture (DST) format support. Shared exponent HDR (RGBE 9:9:9:5) texture format support."

Avivo Video Post Processor

"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. Color vibrance and flesh tone correction. Inverse telecine (2:2 and 3:2 pull-down correction). Bad edit correction. Enhanced DVD upscaling (SD to HD). Automatic dynamic contrast adjustment."

HDMI output support

"All display resolutions up to 1920x10802. Integrated HD audio controller with support for stereo and multi-channel (up to 7.1) audio formats, including AC-3, AAC, DTS, DTS-HD and Dolby True- HD4, enabling a plug-and-play audio solution over HDMI."

ATI PowerPlay Technology

"Advanced power management technology for optimal performance and power savings. Performance-on-Demand. Constantly monitors GPU activity, dynamically adjusting clocks and voltage based on user scenario. Clock and memory speed throttling. Voltage switching. Dynamic clock gating. Central thermal management ? on-chip sensor monitors GPU temperature and triggers thermal actions as required."

POWERCOLOR RADEON 4870 PCS

POWERCOLOR RADEON 4870 PCS KEY FEATURES

VIDEO CARD GPU CORE
CLOCK
MEMORY
CLOCK
MEMORY
TYPE
MEMORY
INTERFACE
SHADER
PROCESSORS
DIRECTX
POWERCOLOR RADEON 4870 RV770 780 3600 1GB GDDR5 256 800 10.1
POWERCOLOR RADEON 5770 RV850 850 4800 1GB GDDR5 128 800 11
VIDEO CARD GPU CORE
CLOCK
MEMORY
CLOCK
MEMORY
TYPE
MEMORY
INTERFACE
SHADER
PROCESSORS
DIRECTX

POWERCOLOR RADEON 4870 PCS

PAGE 1 - POWERCOLOR RADEON 4870 PCS
PAGE 2 - 3DMARK 2006 RESULTS
PAGE 3 - 3DMARK VANTAGE RESULTS
PAGE 4 - CRYSIS 2, HAWK, LOST PLANET 2 AND FINAL RESULT

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