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Intel Core i5 650 Clarkdale sample overclocked to 4.70GHz

Posted on Wednesday, October 21 2009 @ 19:47:21 CEST by

TPU reports overclocker Monstru overclocked an engineering sample of the Intel Core i5 650 "Clarkdale" to 4.70Ghz on air cooling. This 32nm chip is expected to be launched in Q1 2010.
The test-bed included a Gigabyte P55 motherboard, the Core i5 650 processor was cooled by a Noctua NH-U12P, onto which a Coolink SWIF 2 120P fan was strapped. A clock speed of 4.70 GHz (25 x 188 MHz) was achieved (nearly 50% over the stock clock speed of 3.20 GHz). A core voltage of 1.424V was used. A point here to note however, is that the retail Core i5 650 will come with an upwards-locked bus frequency multiplier of 24 (24 x 133 MHz = 3.20 GHz). The processor at 4.70 GHz, was Prime95-stable for over 30 minutes. With an ambient temperature of 24 °C, the two cores heated up to 77 and 68 °C, not to forget that the processor was being air-cooled.



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