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Home arrow Graphics cards arrow Winter Idyll: Sapphire Radeon HD 5870 Vapor-X
Winter Idyll: Sapphire Radeon HD 5870 Vapor-X PDF Print
Written by Ivan Todorovic   
Wednesday, 06 January 2010
sapphire_hd5870_vaporx_intro2.jpgImageWe met the strongest AMD's single-GPU graphics card several months ago, when it successfully beated the two-headed behemoth of the previous generation. Raw speed is not the only trump of Radeon 5870 - there is support for the new DirectX, the ability of render 3D graphics on multiple monitors in combined, super-high resolution (ATI Eyefinity), and drastically reduced consumption in idle mode, which makes this card practically negligible load for power supply, considering all day computing.

So much power still produces noise and heat. Fortunately, the card manufacturers are now quite fast when it comes to preparing non-standard models, and after a few months we already have great variations of quality. The icing on the cake is negligible slightly higher price than of cards that use AMD's reference cooler.

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Sapphire has released a revision of the card that has a cooler based on the Vapor-X technology, already seen of Toxic and Atomic versions of previous generation. It is a thin metal chamber, which fits directly to graphics processor and has a small amount of water that is used to transfer heat internally. Roughly speaking, the water "boils" at the bottom of the chamber (at much lower temperature than a hundred degrees, due to the extremely small air pressure) and then evaporates to the top where it condenses and then returns by the appropriate channels to the bottom chambers, where re-evaporates and repeats the process. This allows better GPU cooling, which produces considerably less fan noise so the system is also quieter and more efficient than air cooling. Cooling system is accompanied with heat pipes and aluminum ribs that cool the memory chips, and this structure covers almost the entire length of the card.

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On the visual side, the card is far more impressive than AMD's reference model, looking like it came from a SF movie. Rear end carries two DVI outputs and one DisplayPort and HDMI, so the connection to the analog monitor requires the adapter that comes in the package. Sapphire offers two attractive games: there is a download coupon for the new racing game DIRT 2, which looks very well and uses DirectX 11, and a disc with Battlestations Pacific, which deals with the struggle between Japan and America in World War II. The card also requires two 6-pin PCI Express power connectors. If the power supply only has one, additional adapter is provided with the card.



 
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