Is there a difference in Ubuntu 32 bit vs. 64 bit?

Question

Because I accidentally installed 32 bit, and I used 64 bit last time. I'm not sure, it bugs me. Any reassurance?

Answer 1

If your CPU's architecture is 64-bit then you should install a 64-bit OS. You computer will be using its full potential and will be much faster than the 32-bit one.

Answer 2

If you have less than 4GB of RAM then it doesn't hurt to use 32-bit. If you have 1GB or more however you really: should be using 64-bit. The choice also depends on whether or not your hardware is capable of 64-bit, if it is then you should use 64-bit.

Answer 3

I would just like to add that there aren't really any super horrible repercussions for using a 32 bit on a 64 bit,

but as was said before, you wont be using your computer's full potential.

It's like a bus driver with a capacity of 64 people on his bus, but he only picks up 32 and leaves for the next stop, leaving the rest of the people [he could have] picked up waiting for the next time.

Its just not economical or making good use of your computer ; anyway, I hope my analogy helped. :)