When you check the memory configuration you find that you've got 1 gigabyte of RAM and 16 gigabytes of storage in the se, whereas the original has 3 gigabytes of RAM and 32 gigabytes of storage that's, pretty much the only difference between them and, of course the price Is different, you do have the ability to see your results from fitness and a tie in with GPS. So if you want to do runs walks and cycling, you can use GPS within the prime or of the prime se. Again, the only difference between this and the original still got the two cameras. Everything else identical is the memory configuration so it's.