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Sapphire HD 5770 Vapor-X Overclock Edition Review

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When compared to the reference card the Vapor-X HD 5770 has a lot going for it. First off you get card with better components such as Black Diamond Chokes that allow the Vapor-X series to run cooler and more efficiently. You get the Vapor chamber cooling from Microloop's that helps keep the temperatures to a more reasonable level and you get a card that has some overclocking headroom. Not to mention a small clock speed bump up from the factory. The Vapor Chamber cooling kept the Sapphire HD 5770 Vapor-X down at 64 degrees Celsius under load during my overclocking testing with the fan speed at 90%. Letting the drivers control the fan speeds at the stock clock speeds the core temperature never hit 75 degrees Celsius under load. During this testing the fan speeds reached only 56%. This kept the temperatures as well as the noise in check. So you have a win/win situation where you get lower temperatures with much less noise than the reference cards. When it came time to push the clock speeds I was able to reach 945MHz on the core and 1445 on the GDDR5 memory; both of these are pretty respectable increases when you consider that they are running the factory voltages. The increase in clock speeds definitely added performance to this card enabling it to run at a level much closer to and sometimes beating the level of performance delivered by the HD 4890 and GTX 260. Pretty stout for a 175 dollar card. When the 5 series cards released a few months ago there were no games that really took advantage of DX 11 technology. Now there are several with more scheduled on the horizon so the picture looks much brighter for this feature. The HD 5700 series offer support for "Eyefinity" AMD/ATI's multi-monitor solution that promises a more immersive gaming experience. As soon as there are monitors that do not show the frames to break up the picture this could definitely become a more appealing option. Currently driving games and flight sim's look to be the best games to play with this technology. Price wise you can find this card on popular e-tailers for right around 175 bucks as of the date of this review. This is neither the lowest or highest priced HD 5770 you will find but the only one that carries these cooling and component credentials. The Sapphire HD 5770 Vapor-X does not disappoint as it performs well for the price plus you get the benefit of Sapphires R&D department making a better mousetrap. The card has top notch construction, better components and an excellent cooling solution with some room for the enthusiast to enhance the performance with some overclocking. For the price there is not much more you can ask for.



  • Factory Overclocked
  • Vapor-X Cooling
  • Better Construction
  • Eyefinity
  • Windows 7 Ready
  • Low Power consumption
  • DX 11 Gaming



  • none
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