PC Building Simulator

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Roast Beef Nov 13, 2021 @ 9:46am
RAM overclocking question
i know similar questions have been asked many times. but i searched and didnt find the exact answer.

i have checked the max frequency on a few ram sticks and took notes. then i went to build a few PCs to sell. i noticed the values in my notes were no longer valid. at first i thought i had mixed their order in the inventory. but later i found out i hadnt.

so i started thinking, maybe some other factor influences how high the ram will go? from what i read, if i got it right, it seems CPUs are born with 2 random values: its own max frequency, and some other variable that influences ram frequency. does anyone know if it's correct? if it's not, could you clarify? thanks.
Last edited by Roast Beef; Nov 13, 2021 @ 9:47am
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Maximum ram frequency when overclocking is independent of processor in this game. That is: The processor has no effect on it. I may be wrong but I believe the maximum ram speed is about 6313 Mhz in this game (Someone correct me if they find this and it's different). Once you find ram sticks that can do around 6313 Mhz then you can install them in any computer with any CPU and they will do 6313 Mhz with anything. Ram in this game has two random values: voltage and Mhz. It's random what ram will do 6313 at what voltage for example.

CPU's spawn with 3 random values: Maximum frequency in Mhz, operating temperature, and power usage.
Last edited by 🦊Λℚ𝓤ΛƑΛᗯҜᔕ🦊; Nov 13, 2021 @ 1:17pm
spelljammer Nov 13, 2021 @ 8:18pm 
I think we need to make some things clear first as there might be some misunderstandings - from my side perhaps or more likely from the previous postings,
Although the OP mentions 'overclocking' in the title, it may seem that there really might have been no overclocking done by them.
Originally posted by Roast Beef:
maybe some other factor influences how high the ram will go?
Usually in my experience every module runs stable with the values from the XMP profile provided by the manufacturer - this means the speed you see in the shop is the one you get at minimum.
Did you load the XMP profile in the BIOS at all? Or did you try manual overclocking? There is a connection between RAM speed and voltage that is stored inside the profiles. So when you want to set the speed manually you need to raise the voltage and verify with OCCT that the RAM runs stable with these values. And when you want to exceed the 'nromal' speed the modules are rrated for by the vendors you need to increase the voltage further.

Originally posted by Aquafawks:
That is: The processor has no effect on it.
Well, yes and no. If you do not load XMP profiles in BIOS - as it seems to me the OP missed that - the mainboard will default to some value depending on the CPU used. That is 2133 MHz on some Intel chips and 3200 MHz on AM4 platforms.
Last edited by spelljammer; Nov 13, 2021 @ 8:25pm
spelljammer Nov 13, 2021 @ 8:37pm 
One further note:
When you have loaded the XMP profile the RAM will be set to that speed. But once you make just one change in the CPU section for the value of system speed (the CPU's so-called base clock which is usually set to 100 MHz), all changes in the 'RAM overclocking' secion will be reset and the mainboard will use its default values.
Last edited by spelljammer; Nov 13, 2021 @ 8:40pm
Roast Beef Nov 13, 2021 @ 10:25pm 
hey thanks for the answers.

Originally posted by spelljammer:
Although the OP mentions 'overclocking' in the title, it may seem that there really might have been no overclocking done by them.

sorry but i had to lol at this. ive played for a total of 350 hours, and a big part of it was in learning about how to overclock in the game and then an even bigger part of that time was spent actually overclocking stuff.

Originally posted by spelljammer:
Did you load the XMP profile in the BIOS at all? Or did you try manual overclocking? (..........) And when you want to exceed the 'nromal' speed the modules are rrated for by the vendors you need to increase the voltage further.

when i was starting out in the game i used xmp a lot. but when i figured how to go further than that, i took out those bike wheelies and never looked back since. so yes i do voltage and all, and keep changing the values in the bios and go back and forth from OCCT to get the maximum possible value.

what happened in this case is i had a few ram sticks (those g.skill 8gb 4800) that i had tested earlier and had taken notes for each one's max voltage and frequency. but when i took those same sticks later to actually make a pc, they couldnt go as high as before. they were all something like 100mhz less than before. and i couldnt find any cause to that, since i confirmed the sticks were in the right order in the inventory, meaning i could rule out the possibility of mixing up the sticks.

Originally posted by Aquafawks:
I may be wrong but I believe the maximum ram speed is about 6313 Mhz in this game (Someone correct me if they find this and it's different).

thanks for the info. though what i meant is the maximum frequency for one specific ram stick, a specimen of RAM. sorry if i wasnt more clear earlier.

Originally posted by Aquafawks:
Once you find ram sticks that can do around 6313 Mhz then you can install them in any computer with any CPU and they will do 6313 Mhz with anything.

it hasnt been my experience, weirdly enough. i will do another series of testing at some point and might share the results here later. this is science afterall!
Last edited by Roast Beef; Nov 13, 2021 @ 10:28pm
Originally posted by Roast Beef:
what happened in this case is i had a few ram sticks (those g.skill 8gb 4800) that i had tested earlier and had taken notes for each one's max voltage and frequency. but when i took those same sticks later to actually make a pc, they couldnt go as high as before. they were all something like 100mhz less than before. and i couldnt find any cause to that, since i confirmed the sticks were in the right order in the inventory, meaning i could rule out the possibility of mixing up the sticks.
What probably happened is (even though you thought you were careful) you accidentally mixed up the memory anyway. I have a suggestion for you so this won't happen in the future: Assemble A system, any system will do. Just the case and a motherboard (any motherboard) with enough ram slots to hold the overclocked ram you have. Then install the ram in that motherboard in that system, put it in the cabinet and make a note in the cloud notes in the game about "Computer in the closet with chassis <name> and motherboard <name> has memory in it that can do #### Mhz", and store it like that. This way it won't be in your inventory and you can't possibly get it mixed up again.
Roast Beef Nov 13, 2021 @ 11:28pm 
Originally posted by Aquafawks:
What probably happened is (even though you thought you were careful) you accidentally mixed up the memory anyway. I have a suggestion for you so this won't happen in the future: Assemble A system, any system will do. Just the case and a motherboard (any motherboard) with enough ram slots to hold the overclocked ram you have. Then install the ram in that motherboard in that system, put it in the cabinet and make a note in the cloud notes in the game about "Computer in the closet with chassis <name> and motherboard <name> has memory in it that can do #### Mhz", and store it like that. This way it won't be in your inventory and you can't possibly get it mixed up again.

to make sure i didnt mix them up, i checked their voltage again and all of them were correct. only the frequency wasnt. but yes ive been separating them in cases with 8 slots mbs to make sure. recently i started doing that for all the important ones.

edith: i checked some of the sticks and some had the right value. which might indicate i mixed some of them at some point. still going to test another bunch later to make sure.
Last edited by Roast Beef; Nov 14, 2021 @ 12:38am
spelljammer Nov 14, 2021 @ 1:33am 
Originally posted by Roast Beef:
edith: i checked some of the sticks and some had the right value. which might indicate i mixed some of them at some point.
From what I experienced so far it would suffice to select one stick for install but then cancelling the installl process to mix up the order and set the stick to be the last in inventory.
For a quick marking of a certain stick you can place a PCbay sell sticker onto it - just do not forget to remove the sticker afterwards. You have five days before it is sold.
Last edited by spelljammer; Nov 14, 2021 @ 1:35am
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Date Posted: Nov 13, 2021 @ 9:46am
Posts: 7