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Memory speed disparity

Tags:
  • Chipsets
  • Intel
  • Memory
  • Motherboards
Last response: in Motherboards
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November 11, 2011 9:11:08 PM

Hello,
I have a Dell T7400, Windows XP Professional x64, Intel Xeon X5482 Quad Core @ 3.2 Ghz, 32 GB RAM @ 800 Mhz, Intel 5400 Chipset. The BIOS says the memory is 800 Mhz, but both Speccy and CPU-Z say the memory speed is 400 Mhz. Can anyone help me to explain the disparity?

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a b å Intel
a b } Memory
a c 495 V Motherboard
November 15, 2011 12:05:12 AM

DDR memory operating at 400MHZ is effectively 800MHZ memory because the memory is Double Data Rate. That's the normal way CPU-Z reports it.
http://en.wikipedia.org/wiki/DDR_SDRAM
There's no discrpency. Your memory is operating as it should. You are getting 800MHZ worth of speed...
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November 25, 2011 1:01:06 AM

Best answer selected by wbrucek.
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November 25, 2011 1:05:08 AM

Thanks for your time and your reply, makes sense.
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a b å Intel
a b } Memory
a c 495 V Motherboard
November 25, 2011 1:13:56 AM

wbrucek said:
Thanks for your time and your reply, makes sense.

You're welcome :-)
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