Need help figuring out if the RAM in my old laptop can replace the RAM in my girlfriend's laptop

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qcksilver

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Nov 28, 2013
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I have a laptop that just died and it has more RAM than the laptop my girlfriend is currently using. We are trying to figure out if we can replace her RAM with the RAM from the dead laptop. I have been researching this for a while but I can't seem to figure out exactly what RAM hers takes. For some reason the crucial memory scanner which I usually use is not working on her machine.

The dead laptop is an HP Laptop pavilion dv7-4060us. There are two RAM cards in it, which both say:
4GB 204-PIN SODIMM 512Mx64 DDR
4GB 2Rx8 PC3-8500S-07-10-F2

She has a HP Pavilion g6-2217cl and on the spec page it just says it takes "DDR3 SDRAM" which unless I'm missing something (which I might be) isn't completely helpful.

I looked at the RAM currently in there and it only has the following info on it:

2GB 1Rx8 PC3-12800S-11-11-B2
HMT325S6CFR8C-PB N0 AA

It also says HP replacement # 652972-001, which I looked up on HP partsurfer and it says:
2GB, 1600Mhz, PC3L-12800 DDR3L DIMM memory module (SHARED)

However, that does not match the label on RAM in her laptop, which says PC3 not PC3L, so I'm not sure that is accurate. Unless they might have left the L off of the label? I thought the L was important though because it means low voltage?

She has one 4GB and one 2GB card in there and I would like to replace the 2GB with one of my 4GB cards.

If someone could help me figure out if my old RAM will work in her laptop, it would be much appreciated. Cause my head hurts lol
 
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qcksilver

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Nov 28, 2013
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Thank you! Would it be better to replace both her cards (4GB and 2GB) with both of my 4GBs, because both of my 4GBs are a matching set? Or does it not matter?
 
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qcksilver

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Nov 28, 2013
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Thanks! I put both of mine in her machine and it is working fine.

When I got info on her comp about the ram from my old laptop I noticed it says they are 1066mhz, and her old ram was 1600mhz. So would 6GB of 1600mhz of ram actually be better than 8GB of 1066mhz?
I could also put her 4GB 1600mhz back in and then there would be one 4GB at 1600mhz and one at 1066mhz. Would that the best combination?

 
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Sakkura

Sakkura

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Aug 22, 2011
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It would all run at the same speed, so 1066 and 1600 would just all run 1066. There's no problem in running the 1600 memory slower than it's capable of, except for the possible performance loss.

Memory speed is not particularly important to real-life performance, but it is going to make some modest difference in some situations.

As for 6GB 1600 vs. 8GB 1066, well then the 6GB would be faster as long as less than 6GB of memory is in use. As soon as you pass 6GB, performance with only 6GB of memory would just drop off a cliff. So it really depends how much memory is actually used in practice.
 
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qcksilver

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Nov 28, 2013
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Interesting, thanks for explaining that.
She doesn't load many large files or use big programs, so maybe the extra 2GB is unnecessary. She is heavy web user though, it is not uncommon for her to have multiple chrome windows with 2 dozen or more tabs open. Even with all those windows and tabs open I don't think chrome will get close to using 6GB of RAM, so keeping the 6GB 1600mhz might give her the best performance.

Since I already swapped out the RAM (so the 8GB 1066mhz is currently in there), I think what I will do is ask her to monitor how much RAM she uses over the next few days, and if she never gets close to 6GB, I'll put the original 6GB 1600mhz back in there.

Thanks for all your help everybody!
 
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