Golden oldies - new E8500 Q740A479T straight from Intel to replace my E8500 Q740A493T



System:
  • E8500 Q740A479T 2L7 / 1313
  • CPU Cooling: Dtek Fuzion Rad Tower Box
  • Asus Blitz Formula 1402 bios
  • EVGA 9800GX2 stock hsf
  • 2x1GB Crucial Ballistix Tracer PC2-8500 dual channel kit
  • Memory cooling: 120x25mm Thermaltake 81cfm fan
  • 80GB Hitachi 7K80 SATAII (WinXP Pro SP2)
  • Pioneer DVD-RW
  • 1200W Silverstone OP1200
  • WinXP Pro SP2 Nlite Fully Updated.


So far this E8500 Q740A479T would have to be the best wolfdale cpu I've had on many levels including:

All vcore reported below are idle vcore with loadline calibration disabled, so there's a 0.08-0.016v droop under load.

  • lowest vcore and max boot into memtest at 4218Mhz at 1.184v
  • lowest vcore for 4009Mhz boot into windows at 1.184v
  • lowest vcore for 4009Mhz 8M Pi at 1.192v idle/1.176v load
  • lowest vcore for 4000Mhz prime 1hr stable at 1.240v
  • highest FSB for 1M Pi at default CPU VTT of 1.10v = 540FSB straight boot from bios


4009Mhz 8M Pi at 1.192v idle



4000Mhz Prime95 1hr at 1.240v load



Super Pi 1M @540FSB at CPU VTT default 1.10v