DRAM Type 256Mx8 vs 512Mx8. What it means for gaming?

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jimeno

Honorable
Jan 20, 2013
14
0
10,510
Hey guys.

I am thinking about buying more RAM and while I found my exact same RAM I also found the same RAM but with one different aspect - it says that it is DRAM Type 512Mx8. (My current one is 256Mx8).

I would like to know if more means better performance and also if I can combine these two even with their different values (with every other aspect being exactly the same).

Here is the website (The description should be understandable even if its not english)

https://www.tsbohemia.cz/transcend-jetram-4gb-1600mhz-cl11-standard-ts512mlk64v6n-_d182685.html

https://www.tsbohemia.cz/transcend-jetram-4gb-1600mhz-cl11-standard-ts512mlk64v6h-_d204132.html

Thank you for any tips.
 
Solution
C
Nothing is stopping you from combining the two if you prefer doing your own compatibility testing. Since the two modules have never been tested together, there is no guarantee they will work together.

When combining multiple 1600MHz singles, you may find they will no longer operate at rated specifications. That is, they may not be able to operate at a frequency faster than 1333MHz. For these reasons, you may find it to be uneconomical to be using modules that are not purchased in a single kit.
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E

engineer5261

Reputable
Apr 26, 2016
859
1
5,365
Mixing RAM's is generally not recommended and no one can give you a guarantee that it will always work. Sometimes even the same manufacturer and model RAM modules do not work together if they are not a matched pair (i.e. fabricated in the same batch, note that I have never seen this situation but only heard about it - hence it is an unlikely scenario).

The naming convention of x4 and x8 refer to the number of ram chips on the ram PCB. You will notice that the 512x8 has twice as many IC's surface mounted/soldered on the PCB.

256Mx8 = 2GB module.
512Mx8 = 4GB module.

Update: I looked at your link and there is misinformation on the page, the 256Mx8 can not be a 4GB module, or it can not be 256Mx8.
 
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C

Calvin7

Titan
Feb 19, 2013
11,725
334
76,490
Nothing is stopping you from combining the two if you prefer doing your own compatibility testing. Since the two modules have never been tested together, there is no guarantee they will work together.

When combining multiple 1600MHz singles, you may find they will no longer operate at rated specifications. That is, they may not be able to operate at a frequency faster than 1333MHz. For these reasons, you may find it to be uneconomical to be using modules that are not purchased in a single kit.
 
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