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# What is memory MHz?

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July 9, 2013 7:48:27 PM

I searched it, but I couldn't get a clear answer. Isn't it the speed of the memory?

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a c 174 } Memory
July 9, 2013 8:23:09 PM

Dragon_Fish said:
I searched it, but I couldn't get a clear answer. Isn't it the speed of the memory?

Scientific: The number of pulses emitted from a computer's clock in one second; it determines the rate at which logical or arithmetic gating is performed in a synchronous computer. An electrical current that alternates between high and low voltages. The speed of the clock is measured in Megahertz (MHz).

Well, the frequency is essentially how fast something processes in a computer. In this case(memory), it determines how fast information is going to go to your memory and back. DDR, DDR2, DDR3 memories follow the DDRxxx/PCyyyy classification. The first number, xxx, indicates the maximum clock speed that the memory chips support. For instance, DDR400 memories work at 400 MHz at the most, and DDR3-1333 can work up to 1333 MHz. It is important to note that this is not the real clock speed of the memory: the real clock of the DDR, DDR2 and DDR3 memories is half the labeled clock speed.

Hope that helps, if you need any memory help then let me know your motherboard (or Dekstop if it is an OEM model) or laptop model number. Cheers!! Sayonara.
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a c 2137 } Memory
July 9, 2013 8:24:26 PM

Yes, the frequency the DRAM operates at....though there's a lot more that goes into DRAM and how performance is affected...in particular you have to take the CL the DRAM is running at and combine that with the freq to determine true performance..for example if you look at 1600 sticks, theoretically 1600 sticks can handle 12,800 MBs per clock cycle, now consider the CL as the length of time for the clock cycle - here we'll say the CL is in seconds so if we have 1600 sticks at CL10 and another set at CL7 in 70 seconds the CL10 set can perform 7 clock cycles 12,800MB x 7 = 89,700 MB.....in the same 70 seconds the CL7 sticks will perform 10 clock cycles or move 128,000 MBs.....so the same freq sticks, ones with a lower (or tighter) CL will move/process more MB of DRAM then the higher CL set
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a c 82 } Memory
July 9, 2013 8:40:19 PM

Yes, memory speed is measured in megahertz (MHz).
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