I set it at 1604 or something liek that in BIOS. Why does CPU-Z reads it as 800
CPU-Z says my RAM is only 800 Mhz Frequency
sora1607
I set it at 1604 or something liek that in BIOS. Why does CPU-Z reads it as 800
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you need to times it by 2
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DDR (Dual Data Rate) so multiply it by 2 like the guy above said
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Edit: I'm not sure, is it dual or double? my heart is is telling me double, but it just sounds so....
Edit: I'm not sure, is it dual or double? my heart is is telling me double, but it just sounds so....
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Turn off SpeedStep and C1E Support in BIOS
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, they're power saving features.
Originally Posted by taeyeon  thank you all for your information had this question about my memory too. CPU-Z gives me a DRAM frequency of 717MHz...x2 = 1434MHz....strange... and my processor frequency reading is always fluctuating...may someone explain to me? thank you 
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DDR3 runs a multi of 3 (well, not really, but it is the best way to put it). Your memory is running at the following:
800 x 3 = 1800MHz
CPU-z reads the base clock of your memory. I do not know why it does, but it just does. Simple math is needed to figure out your memory speed but that is easy. <.< For me I always have a calc. ready.
800 x 3 = 1800MHz
CPU-z reads the base clock of your memory. I do not know why it does, but it just does. Simple math is needed to figure out your memory speed but that is easy. <.< For me I always have a calc. ready.
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Taeyeon: the location of "Intel (R) SpeedStep (TM) Tech" is on the first page of the Ai Tweaker. "C1E Support" is in the 'Advanced' area (as opposed to the Ai Tweaker) in the "CPU Configuration" page. Disable both of these, and then the CPU frequency will stop fluctuating. However, there will always be very tiny fluctuations.
Regarding the memory, if you have "DDR3-1600" selected in the BIOS for "DRAM Frequency" in the Ai Tweaker, then it's currently at 717 MHz because of the BCLK Frequency (adjustment available when the "Ai Overclock Tuner" is set to Manual, of course).
This is probably the best I can do. I mean, I'm just going by the manual that I downloaded.
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But 800 x 3 is 2400. So 717 x 3 would be 2151. DDR, DDR2 and DDR3 are all multiplied by 2 (it's Double Data Rate).
![Image]()
I agree that it would be nice if CPUID would include both the base DRAM frequency and the effective in the Memory tab since it would be consistent with the Main tab in the way it shows the FSB frequency.
Originally Posted by Platinum Quote:
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Regarding the memory, if you have "DDR3-1600" selected in the BIOS for "DRAM Frequency" in the Ai Tweaker, then it's currently at 717 MHz because of the BCLK Frequency (adjustment available when the "Ai Overclock Tuner" is set to Manual, of course).
This is probably the best I can do. I mean, I'm just going by the manual that I downloaded.
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Originally Posted by Lord Xeb DDR3 runs a multi of 3 (well, not really, but it is the best way to put it). Your memory is running at the following: 800 x 3 = 1800MHz CPU-z reads the base clock of your memory. I do not know why it does, but it just does. Simple math is needed to figure out your memory speed but that is easy. <.< For me I always have a calc. ready. |
I agree that it would be nice if CPUID would include both the base DRAM frequency and the effective in the Memory tab since it would be consistent with the Main tab in the way it shows the FSB frequency.
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thank you TwoCables!
Now I know Intel SpeedStep makes the processor fluctuate or not to fluctuate. But I dont know if most people prefer to have it on or off, as I heard some people saying if the processor speed fluctuate much when you play games/do other demanding tasks, it will lag a bit when it do so.
Hmm, why do you x3 of the 800? Now I got the memory to stay at 800 (which is x2 = 1600) by setting at BIOS to D.O.C.P (DRAM Overclock Profile).
Thank you once again!
![Image]()
Originally Posted by TwoCables Taeyeon: the location of "Intel (R) SpeedStep (TM) Tech" is on the first page of the Ai Tweaker. "C1E Support" is in the 'Advanced' area (as opposed to the Ai Tweaker) in the "CPU Configuration" page. Disable both of these, and then the CPU frequency will stop fluctuating. However, there will always be very tiny fluctuations. Regarding the memory, if you have "DDR3-1600" selected in the BIOS for "DRAM Frequency" in the Ai Tweaker, then it's currently at 717 MHz because of the BCLK Frequency (adjustment available when the "Ai Overclock Tuner" is set to Manual, of course). This is probably the best I can do. I mean, I'm just going by the manual that I downloaded. But 800 x 3 is 2400. So 717 x 3 would be 2151. DDR, DDR2 and DDR3 are all multiplied by 2 (it's Double Data Rate).
I agree that it would be nice if CPUID would include both the base DRAM frequency and the effective in the Memory tab since it would be consistent with the Main tab in the way it shows the FSB frequency. |
Now I know Intel SpeedStep makes the processor fluctuate or not to fluctuate. But I dont know if most people prefer to have it on or off, as I heard some people saying if the processor speed fluctuate much when you play games/do other demanding tasks, it will lag a bit when it do so.
Hmm, why do you x3 of the 800? Now I got the memory to stay at 800 (which is x2 = 1600) by setting at BIOS to D.O.C.P (DRAM Overclock Profile).
Thank you once again!
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2,950 Posts
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don't know where you learned math, but where i come from, 800 x 3 = 2400
![Image]()
Originally Posted by Lord Xeb DDR3 runs a multi of 3 (well, not really, but it is the best way to put it). Your memory is running at the following: 800 x 3 = 1800MHz CPU-z reads the base clock of your memory. I do not know why it does, but it just does. Simple math is needed to figure out your memory speed but that is easy. <.< For me I always have a calc. ready. |
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182 Posts
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have you checked your BIOS settings if you enabled Intel Speedstep and C1E support?.. if these settings are enabled.. it causes the processor to throttle up and down depending on the usage and load on the processor by lowering the multiplier for light loads or raising it for heavy loads..
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multiply it by 2 and you get the RAM frequency..
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MATH PHAIL..
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800 x 3 = 2400..
![Image]()
bydway.. even if its DDR2 or DDR3.. it will always be like this..
CPUz DRAM Frequency X 2 = RAM frequency
Originally Posted by taeyeon thank you all for your information had this question about my memory too. CPU-Z gives me a DRAM frequency of 717MHz...x2 = 1434MHz....strange... and my processor frequency reading is always fluctuating...may someone explain to me? thank you
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Originally Posted by sora1607 I set it at 1604 or something liek that in BIOS. Why does CPU-Z reads it as 800 |
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Originally Posted by Lord Xeb DDR3 runs a multi of 3 (well, not really, but it is the best way to put it). Your memory is running at the following: 800 x 3 = 1800MHz CPU-z reads the base clock of your memory. I do not know why it does, but it just does. Simple math is needed to figure out your memory speed but that is easy. <.< For me I always have a calc. ready. |
800 x 3 = 2400..
bydway.. even if its DDR2 or DDR3.. it will always be like this..
CPUz DRAM Frequency X 2 = RAM frequency
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84,230 Posts
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You're very welcome!
The main reason why these power saving features (like Intel SpeedStep and Enhanced Halt State C1E) are disabled is to help with system stability when overclocking. Otherwise, it's not needed. However, you bring up something that I haven't heard about yet, however it makes sense. You see, this reminds me of the way graphics cards downclock to save power and then jump up to a performance mode when there's load - but it takes a couple of seconds to respond. So it makes sense to me that the CPU might do the same thing: it might take a half a second or a full second to respond (even though my tests while watching CPU-Z always showed it responding instantly). This problem could be called a "stuttering" problem.
But in general, these things are left enabled when not overclocking.
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DDR, DDR2 and DDR3 are all x2 because it's Double Data Rate. The "2" and "3" after it only refers to the advancement of the technology. The "3" doesn't mean "x3".
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Originally Posted by taeyeon thank you TwoCables! Now I know Intel SpeedStep makes the processor fluctuate or not to fluctuate. But I dont know if most people prefer to have it on or off, as I heard some people saying if the processor speed fluctuate much when you play games/do other demanding tasks, it will lag a bit when it do so. Hmm, why do you x3 of the 800? Now I got the memory to stay at 800 (which is x2 = 1600) by setting at BIOS to D.O.C.P (DRAM Overclock Profile). Thank you once again!
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The main reason why these power saving features (like Intel SpeedStep and Enhanced Halt State C1E) are disabled is to help with system stability when overclocking. Otherwise, it's not needed. However, you bring up something that I haven't heard about yet, however it makes sense. You see, this reminds me of the way graphics cards downclock to save power and then jump up to a performance mode when there's load - but it takes a couple of seconds to respond. So it makes sense to me that the CPU might do the same thing: it might take a half a second or a full second to respond (even though my tests while watching CPU-Z always showed it responding instantly). This problem could be called a "stuttering" problem.
But in general, these things are left enabled when not overclocking.
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Originally Posted by Willage omg, better double your overclock! joking, seriously though as others have said its DDR (double data rate) so you need to times it by 2, or by 3 if its DDR3 |
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