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POWERCOLOR RADEON 4770 PCS

"Powercolor Radeon 4770 PCS uses RV740 GPU at 750Mhz and has 512MB GDDR5 memory running at 3200Mhz. Powercolor Radeon 4770 PCS has a 128Bit Memory Interface, 640 Shader Processors and DirectX 10.1. Powercolor Radeon 4770 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, Hawk 2 and Lost Planet 2."

POWERCOLOR RADEON 4770 PCS

"Powercolor Radeon 4770 PCS graphics processing unit (GPU) offers an unbeatable combination of HD gaming performance and price. Featuring the industry's cutting-edge 40nm process technology and the most advanced GDDR5 memory technology, this GPU delivers seamless frame rates with incredible speed and processing power. Proof that high performance gaming and price can co-exist."

"Powercolor Radeon 4770 PCS is Designed to Perform, engineered to Lead and built to Win. Powercolor Radeon 4770 PCS has all the latest features, Powercolor Radeon 4770 PCS graphics cards delivers the performance you need to take your high definition experience to the next level at home, work and play. Watch Blu-ray movies and HD content play with incredible visual fidelity enjoy unprecedented levels of realism and play the latest games with Microsoft DirectX 10.1. Do it all with break-through efficiency that doesn't compromise performance."

"Features and Benefits of Powercolor Radeon 4770 PCS are as follows - Leveraging the latest 40nm manufacturing process technology, Powercolor Radeon 4770 PCS represents an industry milestone in the advancement of gaming performance. Equipped with the fastest, most advanced GDDR5 memory technology, Powercolor Radeon 4770 PCS supports higher data rates which translates directly into superior performance. Get right in the action and experience cinematic gaming at HD resolutions1 with outstanding performance in the latest DirextX10.1 games. Take your game even further with ATI CrossFireX technology and enjoy superior scalability with dual GPU support. Tap into the massive parallel processing power of your Powercolor Radeon 4770 PCS with ATI Stream technology and tackle demanding tasks like video transcoding with amazing speed. Watch the latest Blu-ray movies play with incredible fidelity and have the freedom to edit videos with lightning-fast speed."

"Play today while preparing for tomorrow with state-of-the-art Microsoft DirectX 10.1 graphics capabilities. ATI CrossFireX technology offers superior scalability. Watch the hottest Blu-ray movies or other HD content at full 1080p display resolution and beyond. HDMI with 7.1 digital surround sound support and integrated DisplayPort technology with audio. ATI PowerPlay technology delivers high performance when needed and conserving power when the demand on the graphics processor is low."

Features and Specification

"826 million transistors on 40nm fabrication process. PCI ExpressR 2.0 x16 bus interface. 128-bit GDDR5 memory interface. MicrosoftR 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. Gather texture fetching. Unified Superscalar Shader Architecture640 stream processing unitsDynamic load balancing and resource allocation for vertex, geometry, and pixel shaders. Common instruction set and texture unit access supported for all types of shaders."

Detailed Specifications

"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). 8 render targets (MRTs) with anti-aliasing. Accelerated physics processing."

Dynamic Geometry Acceleration

"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."

Texture filtering

"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."

OpenGL 3.0 support

"ATI Avivo HD Video and Display Platform1Unified Video Decoder 2 (UVD) for H.264/AVC, VC-1, and MPEG-2 video formatsHigh definition (HD) playback of Blu-ray and HD DVD video. Dual stream (HD+SD) playback support. DirectX Video Acceleration 1.0 and 2.0 support. Support for BD-Live certified applications. Hardware DivXand MPEG-1 video decode acceleration. AIT AvivoVideo Post Processor1Color 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."

POWERCOLOR RADEON 4770 PCS

POWERCOLOR RADEON 4770 PCS KEY FEATURES

VIDEO CARD GPU CORE
CLOCK
MEMORY
CLOCK
MEMORY
TYPE
MEMORY
INTERFACE
SHADER
PROCESSORS
DIRECTX
POWERCOLOR RADEON 4770 PCS RV740 750 3200 512MB GDDR5 128 640 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 4770 PCS

PAGE 1 - POWERCOLOR RADEON 4770 PCS
PAGE 2 - 3DMARK 2006 RESULTS
PAGE 3 - 3DMARK VANTAGE RESULTS
PAGE 4 - CRYSIS 2, HAWK, HAWK 2, LOST PLANET 2 AND FINAL RESULT

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