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Sapphire HD4870 Toxic Review

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I am very interested and excited to see how the new Sapphire HD4870 Toxic from ATI will compare when it is tested using a few different video benchmarks to measure the card's performance. I will be putting the Sapphire card up against a few different video cards that are out on the market, including the PowerColor HD4850. I am also extremely interested in seeing how the cooling solution Sapphire has added to its HD4870 is going to handle the temperatures. All of the settings will be set at stock for all of the cards; I will also be overclocking the HD4870 to the maximum level so that I can compare the difference in performance when overclocked, and see how beneficial it is to overclock all components in your system.  

Testing Setup:


Comparison Video Cards:



Overclocked settings:

  • Sapphire HD4870 Toxic: Core - 850MHz   Memory - 1200MHz

There is a two part answer to how well the Sapphire HD4870 Toxic was able to overclock, this is due to the fact that when you get the card, it comes overclocked from the factory at 780MHz for the core and 1000MHz for the memory. So you have a 30MHz overclock on the GPU as stock settings and 100MHz overclock on the memory as stock settings. If you go from how it comes right out of the box, I was able to get an extra 70MHz on the GPU and 200MHz on the Memory, which may not sound like all that much of a huge overclock, however when you add up what you have actually gotten over any other regular HD4870, you get an extra 100MHz on the GPU and 300MHz on the memory.

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