Extreme Overclocking has just posted a Copper Heat Sink Comparison.

Some of the new copper heatsinks out on the market that were examined are the GlobalWin CAK38, Thermaltake Mini Copper Orb (actually it´s only part copper), and OCZ Gladiator. The Thermoengine & WBK38 were also included as a comparison against these hefty copper coolers. We also look at testing methodology and the actual heat a CPU generates and how to compensate under these synthetic conditions.

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