Sapphire Radeon HD 4870 TOXIC with the new design and 1 GB of memory
December 22, 2008, 12:37 pm
The official website of Sapphire Technology emerged the image of an entirely new graphics card based on the graphic adapter ATI Radeon HD 4870, which added to a popular brand product line TOXIC. Model Sapphire Radeon HD 4870 TOXIC 1GB GDDR5 equipped with the original dvuhslotovoy cooling Vapor-X with a modified design of the upper lid, which covers the entire front printed circuit board. This cooler is based on technology Vapor Chamber Technology (VCT), the concept which in many ways recalls the principle of heat pipes, but in this case is special legkokipyaschaya liquid, which is in spacious vaporization chamber. On the wall of the chamber caused several varieties of a particular filling with capillary structure and heat transfer from hot to cold area occurs through the cycling of evaporation and condensation of the very liquid. To be sure, this approach has already been successfully used by developers in the video card Sapphire Radeon HD 4870 TOXIC 512MB GDDR5, as well as accelerator Sapphire Radeon HD 3870 TOXIC 512MB GDDR4, and excellent record in terms of high efficiency and low noise. In addition, the design of the cooling system are the three copper heat pipes to distribute heat on the ribs of aluminum radiator, which in turn obduvaetsya sufficiently large fan with variable depending on the pressure and temperature speed. More to the merits of new items worth prichislit increased to 1024 MB of memory GDDR5 with a 256-bit interface as well as factory increased frequency figures (alas, accurate information about their values, yet). As for other technical specifications of products, there should be the presence of 800 stream processors use for PCI Express 2. 0 x16, compatible with DirectX 10. 1 Shader Model 4. 1, as well as support for technology ATI CrossFireX Multi-GPU Technology, ATI PowerPlay and ATI Avivo HD Technology with integrated video second-generation (Unified Video Decoder 2). But when it comes to communication capabilities, the rear panel are two port Dual-Link DVI and one HDTV-out. That is just about the cost and timing of the beginning of the massive sales of Sapphire Radeon HD 4870 TOXIC 1GB GDDR5 still unknown.
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