4870x2 CF - i7 920 @4.4+ Ghz Air Benching DFI Style!

[eva2000]

HD4870x2 CrossfireX with i7 920 still on TRUE120 air cooling

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
• HIS HD4870x2 + Gigabyte HD4870x2 both flashed to Asus TOP bios - CAT 8.12 Official Drivers
• 3x1GB Samsung HCF0 based - 2x1GB Corsair DDR3-2133C9DF Dominator + 1GB G.Skill PC3-12800HZ
• Ram cooling: 3x 60x25mm Sunon 23.5cfm Maglev fans
• 750GB Samsung HD753LJ
• 4x32GB OCZ Core V1 SSD Raid 0 + Highpoint RR3520LF PCI-E Raid controller 256MB Cache
• Pioneer DVD-RW
• 1KW Corsair HX1000 psu
• Vista Ultimate SP2 Beta 64bit vLite'd

While my HIS HD4870x2 can do 850-860Mhz on GPU, my Gigabyte HD4870x2 hits a wall at <840Mhz, so settled for 837Mhz on GPU in CrossfireX. Weird GPUZ v0.31 isn't registering my ATI CCC set GPU/MEM clocks ??

System peak wattage draw = ~915 watts! (probably need a beefier psu ? )

• 3dmark06 @837/985 = 29,412
• 3dmark05 @837/995 = 37,175
• 3dmark2003 @837/1000 = 127,708 <- some reason I haven't been able to publish 3dmark2003 results with HD4870x2 lately ??
• 3dmark vantage = unable to bench keep getting create pixel shader failed message in cpu tests even at stock cpu/gpu settings ? Vista SP2 Beta 64bit related ?