Is additional RAM worse for my laptop? - Overclock.net - An Overclocking Community
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Is additional RAM worse for my laptop?

 
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post #1 of 2 (permalink) Old 06-02-2020, 05:25 AM - Thread Starter
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Is additional RAM worse for my laptop?

Hi, everybody.
I have got a story and a question about it.

Story: I've got a laptop ASUS Vivobook S410Un (alt - X411UN) with i7-8550U and GeForce MX150.
There are integrated 8Gb RAM and an additional 1 slot by default. Most of the time the RAM is engaged at 85-95%.
So I decided to buy 8GB RAM item - Kingston 8GB DDR4 2400 SO DIMM KVR24S17S8/8 Non-ECC, CL17, 1.2V, 1Rx8 . It has the same timings and other tech details.
When I insert the additional RAM item I've observed extra noise from the fan and possibly a shorter worktime of battery (~4:30→3:45 hours). Also, I felt some warmth by a palm nearby RAM slots. (photo with internals - https://monosnap.com/file/6ziopOfndJ...3SMq1i7DEXtJfB)

I've checked some metrics and looks like I was right.
16gb - https://monosnap.com/file/Mi27f6FklU...xSDB34DD8vLwes
8gb - https://monosnap.com/file/j5hFPe5p8S...I4oJKdEm935KkU
I see that the fan is spinning faster at 400RMP and CPU is hotter at 10-15 Celsius with that additional 8gb RAM.

Also, I've checked FPS in some benchmarks and games and there is no difference with 8 or 16gb. Looks like 8gb is fully cover MX150 opportunities.

My findings: I added additional RAM. This RAM can legally warm at 50-60 Celsius and works properly (AIDA64 proves). But that temperature forces the fan to spin faster. Because a natural temperature for my CPU is <50 Celsius (Chrome + IDE + a few messengers). And I didn't catch any profit by that RAM.

The question: Did I buy a wrong RAM? Can I find the RAM that usually warms up to <40 Celsius? Or does my laptop live better without additional RAM?

P.S. I'm a guest on this website. So feel free to abuse me if I penalize some local rules.

Last edited by Dmitry Usov; 06-02-2020 at 09:59 AM.
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post #2 of 2 (permalink) Old 06-03-2020, 02:20 PM
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All I know is that it's easy to buy top quality RAM for laptops if you stick with brands like Samsung and Hynix -- no overclocked chips, no junk chips. Speeds up to 2666 MHz don't cost more than other brands.
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