[SOLVED] Difference between x16 based and x8 based in RAM

[Sugesh]

what is the difference between Crucial 4GB DDR4-2666 SODIMM
CT4G4SFS8266
Configuration ID: CT15211030
DDR4 PC4-21300 CL=19 Single Ranked x8 based Unbuffered NON-ECC DDR4-2666
and
Crucial 4GB DDR4-2666 SODIMM CT4G4SFS6266
Configuration ID: CT15211057 DDR4 PC4-21300 CL=19 Single Ranked x16 based Unbuffered NON-ECC DDR4-2666.

 

[Koekieezz]

1Rx8 Based is 8 bit wide chip in 1 rank, while 1Rx16 Based is 16 bit wide chip in 1 rank.

on mobile device, 1Rx8 is better due to faster access time compared on a 1Rx16 sodimm, espescially on Ryzen Notebooks.