Pentium Dual Core runs at slower speed than max Tags: CPUs Pentium Marketing Last response: September 2, 2010 11:00 PM in CPUs Share Anonymous a b à CPUs September 2, 2010 8:08:32 PM Hello,On my E6500 CPU (marketing freq 2.933) the "real frequency" is listed by PC Wizard as 1597.... The chip runs alternately betw 2.933 and the 1597. Why? More about : pentium dual core runs slower speed max Raidur a b à CPUs September 2, 2010 9:47:22 PM That is an energy efficiency operation called Speedstep that lowers your CPU's multiplier while idle, and is completely normal. You can turn it off in the BIOS if you wish, but it doesn't effect performance. WR2 a c 203 à CPUs September 2, 2010 11:00:03 PM Hello mudcaveman; For more information on what SpeedStep / EIST (Enhanced Intel Speedstep Technology) is look at this thread: Why is my CPU not showing correct speeds? Can't find your answer ? Ask ! Publish Related resources An $89 Pentium Dual Core that Runs at 3.2 GHz Forum Upgraded CPU from Pentium D to Duel Core but computer is slower ! Forum why is my dual-core running slower than my single core ? Forum Pentium Dual Core E6500 MAX DDR3 RAM Speed Forum Upgraded cpu from d to core 2 duo and runs slower ?! Forum Why is my CPU not showing correct speeds? Forum Why is FSB Slower than CPU internal speed ? Forum THG Prescott Review is online! ~1% slower than NW! Forum Intel Pentium Dual Core E5400 VS. AMD Athlon II X2 250 BE Forum Upgrading my P4 SIngle core to a Pentium 4 Dual Core Forum 'Intel Pentium Dual Core T2060', What is it? Forum Just how is dual core different than non? Forum Does a pentium 4 run hotter than an intel core 2 duo? Forum CPU in laptop running slower than rated Forum How are slower but newer CPUs better than older but faster CPUs? Forum Is Pentium D960 better than a Core 2Duo E5400? Forum Why OS booting in Pentium 4 slower than Core 2 Duo system? Forum Will intel pentium dual core play the latest games on 1280x1024 resolu Forum Pentium D 930..( dual core ) running hot Forum Thermaltake 850w PCI-E question Forum More resources Read discussions in other CPUs categories AMD Intel Intel i5 Intel i7 Phenom Cooling Performance !