That should be Gb in the title, not GB.
Also traditionally, Bytes (kilobytes, megabytes, gigabytes) are used when it is about storage (RAM, FDD, HDD or other), whereas when they talk about bandwidth or 'speed' (notice I put the '') , they talk in bits (gigabits per second, etc).
So no, I don't think it should be Gb in the title. GB is fine, since it's talking about RAM.
Not cool.
And sure it's not cool. I've seen non-genuine thumb-drives have false capacity written on them, but coming from Samsung .. It's weird.
The comment was quoting the link...