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Temperature and Noise

Effective cooling is most important for today’s computers in which even simple components can get as hot as 70-80°C. What about our low-end graphics cards?

Thanks to its large heatsink and modest power consumption the old Radeon HD 5670 is superior to the new generation, being no hotter than 60°C.

At high load the Radeon HD 6670 easily gets as hot as 70°C and the Radeon HD 6570, 80°C, which is but slightly lower than the GPU temperature of the passively cooled Radeon HD 5450.

Well, modern GPU chips are not afraid of working at temperatures of 80°C and even higher since they are all developed with the cramped conditions of HTPCs in mind, but we can note that the Turks and Caicos GPUs do need a good cooler.

Judging by the tests of noisiness, the reference Radeon HD 6570 and HD 6450 can hardly be recommended for quiet computers. The noise produced by these cards is not irritating or something, yet it’s impossible not to get notice of it at 52-57 dBA. This must be due to the small heatsink which cannot dissipate the heat effectively, so the fan has to work at its full speed to prevent the card from overheating.

So, you may want to look for a non-reference Radeon HD 6570/6450 with a larger cooler and also make sure that your system case is ventilated well.

 
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