will mixing pc3l-12800 with pc3l-12800s work?

[zauts8]

exactly as the title says. the one in my pc is a 12800 but i noticed i bought a 12800s and was wondering if it would work together. thanks

 

[hang-the-9]

MERGED QUESTION
Question from zauts8 : "difference 12800 and 12800s ?"

my ram = 1. ramaxel 2gb ddr3l pc3l-12800 sodimm 2. elpida 4gb ddr3l pc3l-12800s sodimm, compatible for dual channel ?, difference 12800 and 12800s ? What does the last letter of frequency means "'s'' ? ? please answer thanks