I7 920 3836A756 @4769Mhz Air cooled

eva2000

Distinguished
Dec 27, 2006
17
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18,520
Hi guys sharing my results with my awesome i7 920 cpu!

Now that I've found my max Bclk limit of 228-230Blck, it's time to revisit max i7 920 AIR overclocks with HT disabled :D

Room temp = 21.5C - 23.5C


System specs
■Intel Core i7 920 3836A756
■Thermalright Ultra 120 Extreme + LGA1366 Bolt Thru kit + 2x 120x38mm Scythe UltraKaze 2000rpm 87cfm fans in push/pull
DFI LP UT X58-T3EH8 R.A51 - 01/06 beta bios
■128MB Gainward FX5200 PCI
■2x1GB Corsair DDR3-2133C9DF Dominator + 1GB G.Skill PC3-12800HZ (3x Samsung HCF0)
■Ram cooling: 3x 60x25mm Sunon 23.5cfm Maglev fans
■80GB Hitachi 7K80 SATAII
■Pioneer DVD-RW
■1KW Corsair HX1000 psu
■WinXP Pro SP3 full nLite updated hotfixes / Windows 7 beta dual boot

i7 920 3836A756 @4769Mhz at 1.59375v bios​



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Max screen capture capable @4680Mhz at 1.5875v bios

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Max Super Pi 1M & Pifast
@4677Mhz at 1.5875v bios​

40416 efficiency :)

spi1m_8m641ms.png


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Max Super Pi 32M​

@4638Mhz - more efficient run (2178985)

spi32m_7m49s781ms.png


@4652Mhz - less efficient run (2184839)

Lucky I took this screen capture first, as system rebooted before I could load the other cpuz instances :eek:

spi32m_7m49s656ms.png


Bench rig photos

Photo 1, 2 and 3.