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Thread: Wrong RAM speed in CPU-Z

  1. #1
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    Question Wrong RAM speed in CPU-Z

    I put together my new system this weekend. It initially recognized my RAM at 1333, which I corrected in the BIOS to 1600 @ 8-8-8-24. The system information that displays on-screen as I the BIOS loads indicates DDR3-1600. However, when I open up CPU-Z, it shows my memory as 800MHz, but the timings are correct.

    I did some searching and found something about needing to multiply this number by two, but there was not explanation regarding whether it was due to it being dual channel, DDR3, etc. Can anyone provide some insight? I need to verify my RAM is running correctly. I have not yet had a chance to run memtest or anthing, so let me know if that might help.

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    It should be fine. Nothing wrong there. Mine lists it the same and still runs at correct speed.
    "Most people work just hard enough not to get fired and get paid just enough money not to quit." - George Carlin
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  3. #3
    Mathetes121

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    I bought the same ram and it is coming up as 1333. I was wondering how I would need to tweak it to get it to 1600, thanks for the info!

    Quote Originally Posted by cXc_geek View Post
    I put together my new system this weekend. It initially recognized my RAM at 1333, which I corrected in the BIOS to 1600 @ 8-8-8-24. The system information that displays on-screen as I the BIOS loads indicates DDR3-1600. However, when I open up CPU-Z, it shows my memory as 800MHz, but the timings are correct.

    I did some searching and found something about needing to multiply this number by two, but there was not explanation regarding whether it was due to it being dual channel, DDR3, etc. Can anyone provide some insight? I need to verify my RAM is running correctly. I have not yet had a chance to run memtest or anthing, so let me know if that might help.

  4. #4
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    Quote Originally Posted by AuraNova View Post
    It should be fine. Nothing wrong there. Mine lists it the same and still runs at correct speed.
    So, is there anything else I can use/do to reassure myself it is in fact running at 1600. I plan on running Memtest86+ by this weekend, so if that or something like it will give me more accurate info, just let me know.

  5. #5
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    Quote Originally Posted by Mathetes121 View Post
    I bought the same ram and it is coming up as 1333. I was wondering how I would need to tweak it to get it to 1600, thanks for the info!
    I cannot speak for the ASRock, but on my ASUS mobo, it was as simple as finding the memory speed setting and changing it from "Auto" to 1600. That memory also defaults at CAS latency of 9, but seems to run just fine if you tighten the timings to 8-8-8-24 @ 1.56V. I haven't spent too much time on it yet, so you may be able to tweak if further. If mine is running at the right speed, then I have to say these are some pretty nice sticks.

  6. #6
    Mathetes121

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    Quote Originally Posted by cXc_geek View Post
    I cannot speak for the ASRock, but on my ASUS mobo, it was as simple as finding the memory speed setting and changing it from "Auto" to 1600. That memory also defaults at CAS latency of 9, but seems to run just fine if you tighten the timings to 8-8-8-24 @ 1.56V. I haven't spent too much time on it yet, so you may be able to tweak if further. If mine is running at the right speed, then I have to say these are some pretty nice sticks.


    Ah I gotcha. That seems pretty easy. Hopefully mine is that easy as well. I still need to understand the whole voltage thing as it pertains to ram, cpus, etc. I have no clue what to do with that stuff.

  7. #7
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    Quote Originally Posted by Mathetes121 View Post
    Ah I gotcha. That seems pretty easy. Hopefully mine is that easy as well. I still need to understand the whole voltage thing as it pertains to ram, cpus, etc. I have no clue what to do with that stuff.
    It seems to me the safest thing to do is go based on the information you find posted on sites like this, Newegg, HWBot, etc., because, unless you are on the cutting edge, someone else has likely tried it for you. I found a number of comments in the reviews of this RAM that helped me figure out what to try with it. Otherwise, it is just a lot of trial and error.

    My amateur take on what I know to date (hint, hint: those who know more should come in and correct me ), is this: more voltage (more power) is needed for higher speeds. When doing trial and error, you want to start low, to keep from frying things. Your hardware manufacturer generally provides a recommended range of voltage, so you can start around the minimum and increase it as needed to get a stable system. You want to try to minimize the voltage needed because more volts running through the hardware means more heat is generated, both of which can shorten the life of your hardware. For this ram, I found two different reviews on Newegg in which the review claimed to have obtained stable 1600 @ 8-8-8-24 timings. One ran 1.56V and the other was something like 1.64V. I decided to start at the 1.56 and it ran ok, so I stayed there. For my CPU, when I get around to trying an OC, I will likely peruse HWBot to see what multipliers and voltages others have used, and start somewhere at or just below the minimum and work my way up until it is stable (so long as it is still within the safe range).

    Hope this helps!

  8. #8
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    CPU-Z is correct.

    It's DDR (Double Data Rate) RAM, and 800 X 2 = 1600.

    Also, cXcgeek, Newegg's reviews are generally posted by brainless turds, people who generally have no idea what they're talking about, but list their tech level as "high". The best place to get help is from forums with knowledgeable people, where you can get feedback and try to figure things out. You are 100% correct about it being trial and error.

    Other people's results can be used as guides, but all hardware overclocks differently, so your specific chip may or may not work with settings someone else used. For RAM OCing, you can juggle voltage and timings to get higher speeds.

    cXc, can you show your system's specs? It'll be in User CP. Thanks

  9. The following users thank 2 For this above post:

    AuraNova (20-04-2010), cXc_geek (20-04-2010)

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    Quote Originally Posted by logan View Post
    ...Newegg's reviews are generally posted by brainless turds, people who generally have no idea what they're talking about, but list their tech level as "high".
    That's one thing that infuriates me. I may not know much on the level of a true enthusiast, but I know enough about things to post better reviews that nearly half I see.
    "Most people work just hard enough not to get fired and get paid just enough money not to quit." - George Carlin
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