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Am i running with 1600Mhz ram?

Last response: in Memory
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July 24, 2012 4:03:50 PM

Hello

I got a question regarding my ram, i want to know if my ram are running at 1600Mhz or not, im getting 667Mhz for each slot in CPUZ, but in bios it says 1600Mhz can someone please help me out.

Please check the pictures below:

CPUZ




Here i enabled the XMP profile 1 and it automatically presets it to 1600Mhz, but there is 1300Mhz next to it i dont know why, anyone knows?



This is the first screen in the bios, where it says im running at 1600Mhz memory.


Is this normal, and am i actually running at 1600Mhz but for some reason CPUZ dosent want to show that?


Any help is appreciated.

More about : running 1600mhz ram

a c 146 } Memory
July 24, 2012 4:25:52 PM

That must be before u restarted the PC.

After the restart, it should show the current clock.
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July 24, 2012 5:03:35 PM

If you click on the 'memory' tab on CPU-Z it will show your memory frequency. It should be ~800 Mhz for 1600Mhz memory
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July 24, 2012 5:12:00 PM

Xeuyi said:
If you click on the 'memory' tab on CPU-Z it will show your memory frequency. It should be ~800 Mhz for 1600Mhz memory



It shows DRAM Frequency 807.1Mhz, so i guess it works, but why does it show 667Mhz each under the SPD tab?
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July 24, 2012 5:19:54 PM

the 667MhZ you see under SPD is half the clock of the Double Data Rate aspect of DDR3 (667x2=~1333). You see it because DDR3 memory has a default clock setting hard-coded into the memory for compatibility, to ensure it's able to run on the system
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July 24, 2012 5:20:43 PM

SPD is what allows the computer to detect the memory. It detects it at a fail-safe setting (in this case, 1300MHz). Or something like that. I'm sure someone else can give you a better explanation.
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July 24, 2012 5:21:44 PM

1333MHz, I should say. Sorry for the double-post; I'm not able to edit my previous post.
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a c 146 } Memory
July 24, 2012 5:23:17 PM

kersh said:
It shows DRAM Frequency 807.1Mhz, so i guess it works, but why does it show 667Mhz each under the SPD tab?

Do u have the latest version from yesterday CPU-Z?

Old had issues with clock frequency.
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July 24, 2012 6:04:52 PM

nikorr said:
Do u have the latest version from yesterday CPU-Z?

Old had issues with clock frequency.


Yeah i have the latest version i believe, 1.61.2x64.. So it should actually say 800Mhz or so under the SPD tab also?
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a c 146 } Memory
July 24, 2012 6:11:33 PM

kersh said:
Yeah i have the latest version i believe, 1.61.2x64.. So it should actually say 800Mhz or so under the SPD tab also?

Yes, 800 = 1600MHz

DDR3 = double data rate
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a c 146 } Memory
July 24, 2012 6:13:14 PM

I have that slightly overclocked, so it show little more.

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July 24, 2012 6:15:50 PM

nikorr said:
I have that slightly overclocked, so it show little more.

http://img849.imageshack.us/img849/3512/20120724110716.png


Well mine is 807.1 Mhz under that tab (Memory) but im talking about the SPD tab right next to it, under "Max bandwidth" it says 667 Mhz, is that normal? since i got 1600 Mhz ram.
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a c 146 } Memory
July 24, 2012 6:18:15 PM

kersh said:
Well mine is 807.1 Mhz under that tab (Memory) but im talking about the SPD tab right next to it, under "Max bandwidth" it says 667 Mhz, is that normal? since i got 1600 Mhz ram.

Yes to 667.
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July 24, 2012 6:27:40 PM

nikorr said:
Yes to 667.


Okay then i guess everything is running at 1600Mhz, i just didnt understand why it said 667 Mhz under the SPD tab then.

Thanks for the help.
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July 24, 2012 6:28:50 PM

Best answer selected by kersh.
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a c 146 } Memory
July 24, 2012 6:31:18 PM

This topic has been closed by Nikorr
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