Dual channel kit (2x4gb) + Dual channel kit (2x2gb) or Dual Channel kit (2x2gb) + Single Dimm (4gb)

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lemon07r

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Mar 11, 2010
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Between using a dual channel kit (2x4gb) + another dual channel kit (2x2gb) and a dual channel kit (2x2gb) + a single dimm (4gb), which is the better performing setup?

For the type of work I do (I run a lot of scripts in the background to do tasks for me while I play games in the foreground) I don't have enough ram.

Currently running 2x4gb cl 9 g.skill ram.
From using what I have right now, I can either add a 4gb stick, crucial 1866mhz cl9, or a 2x2gb cl9 1333mhz g.skill kit.

All sticks are 1.5v. I am using a Gigabyte G1 sniper h6 H97 motherboard (takes up to 4 dimms).
 
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weberdarren97

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Here's the thing, using an odd number of sticks will cause the board to run at single channel mode. Also, mixing memory can cause unpredictable results. Even if two kits were made in the same batch in the same day in the same factory, they may be incompatible.

I recommend simply getting a kit that has the capacity you need. A quad channel kit will also do, it'll simply run in dual channel mode.
 
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weberdarren97

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Aug 10, 2015
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I'm not a moderator, but I consider recommending yourself as a Best Answer to be spam.

I have no problem with saying "Don't forget to choose a Best Answer" but I consider "You already quoted the answer to your question" to be spam.

If OP thought it was the answer, he/she would have selected a Best Answer.

To be honest, I was the one to quote it, but I'm not the OP... So how could I have quoted the answer to my question?
 
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lemon07r

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I see oems do it all the time.. worked a coop at a computer shop where they did it for refurb/used computers often too. They all ran fine.

Anyways, besides the point.

I asked my question. Which would be better?
This is what im working with. So i am not asking, should i just go buy a 2x8 gb kit, because thats not a option for me.. i just wanted a simple answer, is option A or B the more optimal configuration?

I already know dual channel is faster then single dimm. Also, i dont see the issue with adding extra ram if not running a quad or trip channel setup.. im just literally adding on extra ram, there are colored slots indicating which stick goes with which in dual channel kits, etc, im not going to be "mixing and matching" them randomly. Of course i could be completely wrong, but i haven't seen any hard explanation or proof to backup anyone's claim. I would gladly accept such as a answer if they had proof or a solid explanation.

I'm surprised so many people replied but nobody answered my actual question.. I thought I was very clear with my question.
 
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lemon07r

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No, not really. For instance did you know the difference in speed between dual channel and single stick is only 10-15%?

Not to mention, why wouldnt my ram configuration work on a modern board? Literally advice without any basis, in other words, not really advice.

Tested both configurations, memtest overnight. No errors in either config.. infact the config with 2*4 and one stick benched higher.

Probably cause my motherboard automatically loaded the xmp profile for cl9 at 1866mhz, the gskill ram was cl9 as well, but some of the timings were a bit higher and couldnt get anything higher then 1333mhz. Perhaps the new stick was faster because it was newer too.

Wanted to leave this post here for others like me who like to do their own research. Might be a helpful post for someone doing a little searching and coming across this thread.


Its too bad i cant pick this as best answer. I dont really care for forum stats, or whatever it is people are collecting for their internet ego here, but for those who come across this thread, it would be more helpful to them to see this post before the others.
 
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Tradesman1

Tradesman1

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There's no guarantees when mixing packages of DRAM - they might work, might not. As far as trying 2x2GB + a 4GB it will (if they play) run in full dual channel mode with the 2x2 stick in A1-A2_ and the 4 GB in B1....the mobo supports Flex mode which allows for this
 
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lemon07r

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Being a pretentious prick doesn't help anyone. Obviously you don't even know how dual channel even works. There's a reason why we have completely moved to triple or quad channel yet, except for server applications. Not to mention you do introduce a slight bit of latency when introducing extra channels of ram, albeit the amount is barely negligible.




That's why I was saying why wouldn't it run on a modern motherboard, I worked part time at a computer sale and repair shop after classes at university last year, they mixed ALL the time, and everything is tested with MRI overnight before being sold. I think it's rarer to find a motherboard without flex then it is to find one with flex, in this day and age.
 
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octavecode

octavecode

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Sorry but i'm done, ican't respond to this stupidity any more,it's obvious you got some personal issues to solve.
At least i got some good laughs out of it.
maxxmem-1.jpg

dual-channel_comparison.png


 
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Tradesman1

Tradesman1

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Jun 5, 2013
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I agree on OP not making a lot of sense in the replies. People give good correct responses and wants to argue - if in fact he worked in a shop - at least most any decent shop, then should already know the answer to the question, maybe just wanted to argue ;)
 
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