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: ForumAn $89 Pentium Dual Core that Runs at 3.2 GHz ForumUpgraded CPU from Pentium D to Duel Core but computer is slower ! Forumwhy is my dual-core running slower than my single core ? ForumPentium Dual Core E6500 MAX DDR3 RAM Speed ForumUpgraded cpu from d to core 2 duo and runs slower ?! ForumWhy is my CPU not showing correct speeds? ForumWhy is FSB Slower than CPU internal speed ? ForumTHG Prescott Review is online! ~1% slower than NW! ForumIntel Pentium Dual Core E5400 VS. AMD Athlon II X2 250 BE ForumUpgrading my P4 SIngle core to a Pentium 4 Dual Core Forum'Intel Pentium Dual Core T2060', What is it? ForumJust how is dual core different than non? ForumDoes a pentium 4 run hotter than an intel core 2 duo? ForumCPU in laptop running slower than rated ForumHow are slower but newer CPUs better than older but faster CPUs? ForumIs Pentium D960 better than a Core 2Duo E5400? ForumWhy OS booting in Pentium 4 slower than Core 2 Duo system? ForumWill intel pentium dual core play the latest games on 1280x1024 resolu ForumPentium D 930..( dual core ) running hot ForumThermaltake 850w PCI-E question More resources Read discussions in other CPUs categories AMD Intel Intel i5 Intel i7 Phenom Cooling Performance !