Core i5 650 ''Clarkdale'' Reaches 4.70 GHz on Air

by Hilbert Hagedoorn on: 10/22/2009 08:52 AM | source: | 0 comment(s)

And that's air-cooling of course. Intel is set to reelase dual0-core Core i5 processors early next year and as it seems, overclock potential certtainly does not suck. Tech powerup reported that Romanian tech community Lab501. Lab501 community leader "Monstru" tested the overclocking headroom of a Core i5 650 LGA-1156 dual-core processor (engineering sample) with air-cooling.

The test setup consisted out of a

Gigabyte P55 motherboard
Core i5 650 processor
Noctua NH-U12P cooler onto which a Coolink SWIF 2 120P fan was strapped.

The chaps reached a nice clock speed of 4.70 GHz (25 x 188 MHz) which is roughly double the original clock frequency. 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

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