8GB DDR4 vs 16GB DDR3?

AShiddyGamer

Honorable
Dec 13, 2012
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10,530
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Hey guys,

So my fiancée just bought me an awesome new laptop, the Lenovo Y700 . The model I got comes with 8GB DDR4 memory. My current laptop has 16GB DDR3. This brings me to 2 questions..

1.) Will DDR3 memory work in a laptop that came with DDR4 memory? Not sure if it will even physically fit let alone be compatible.
(If not, disregard the next question)

2.) Assuming speed/latency and everything was the same (not near my laptop nor the order page for my new one - will update with their speeds), would I be better off leaving the 8GB DDR4 or swapping with my 16GB DDR3? Not sure if there's a big enough difference between the two for the 8GB gap.

Thanks in advance!

Edit: The 8GB DDR4 is 2133 MHz. I believe the 16GB DDR3 is either 1866 MHz or also 2133 MHz. Will confirm ASAP but we'll base it off those numbers as of right now.
 

AShiddyGamer

Honorable
Dec 13, 2012
49
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10,530
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Welp, I guess that answers that! Hopefully by the time I need to upgrade to 16GB again, DDR4 will have dropped in price haha.

Thanks for your help guys!
 

EverythjngBlack

Commendable
May 4, 2017
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1,630
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WRONG
 

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