Gainward GeForce GTX 680 Phantom 2GB GDDR5 PCIe
Gainward has instead embedded two extremely quiet 80mm PWM fans directly inside the heatsink. The company claims that its factory-overclocked GTX 680 is six degrees cooler and 11.5dB quieter than a reference GeForce GTX 680. The heatsink measures 225mm long, 70mm wide and 40mm tall (8.85in x 2.75in x 1.57in). The GDDR5 operating frequency has also been raised 5% from 6008MHz to 6300MHz, meaning the memory bandwidth has been boosted 5% from 192.2GB/s to 201.6GB/s.
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