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Temperature and Noise As you can probably imagine, the HD4670 is very quiet. I do not have a decibel meter, but I could not hear the fan on the video card. It was drowned out by the two system fans and power supply that I have in my computer. My CPU is water-cooled so there is no noise there. Obviously this is subjective, what I consider quiet may not be what others consider quiet. All I can do is give you my opinion, and that is this thing is quiet. Using AMD GPU Clock Tool I was able to record the temperature over a period of time and record the average temperature. I did this four times, twice at idle and twice during games at default clocks and overclocked.
As you can see the temperature on the HD4670 is quite good. Even overclocked the temperatures didn't rise that much. You can really see here where the 55nm process comes into play. Less power needed, less heat produced. Conclusion: Needless to say I was impressed by the HD4670. I definitely wasn't expecting a $79 video card to have playable framerates in Crysis, even at medium settings. If you are on a budget or just building a HTPC, it would be hard to beat the Sapphire HD4670. You're getting a card that will be able to play your high definition DVD's as well as handle the games that you throw at it. The Sapphire HD4670 is an excellent performing card that wont break the bank and we stamp it "Club Overclocker Recommended"!
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