Curious if I can switch out similar, but not quite identical RAM units from an old Lenovo S510p laptop into a Dell Inspiron 5758 laptop, which has been running very slow. (The S510 is physically busted from being dropped and is not worth fixing; the Dell 5758 runs bizzarely slow... I've run several tests looking for malware and haven't found any using malawarebytes, bitdefender & eset online scanner.)

So, I was wanted to see if moving the RAM from the broken lenovo into the Dell could be a free performance upgrade. Just want to make sure if there's a reason I shouldn't do it... like putting the wrong type RAM will screw something up so that it won't power on correctly even if I switch the old RAM back in.

Both laptops use skhynix branded ram. Both are DDR3 PC3-12800 • CL=11 • Unbuffered • NON-ECC • DDR3-1600 • 1.35V

The lenovo memory is 4GB 2Rx8 PC3L-12800S-11-12-F3 ... HMT351S6EFR8A
The dell memory is 4GB 1Rx8 PC3L-12800S-11-13-B4 ... HMT451S6BRR8A

The skhynix website has a nice little part number decoder on the webpage where you can break down the HMT# to know exactly what it is (it's the pdf in the computing memory section > DDR3SDRAM > module):

LINK

The parts seem reasonably similar...
HMT351 is 2GB memory density and 512MB memory depth
HMT451 is 4GB memory density and 512MB memory depth
the S in both is 204 pin Unbuffered SO-DIMM
the 6 in both is for x64
From there the differing letters refer to the die generation and package type... which I wouldn't think matters (correct me if I'm wrong).

So, the question is, if I switch them out, is this just a simple plug and play and it should work? Or is there anything I need to do to the bios before fully booting? Or should I not attempt this for some reason?