Litecoin is faster, monero is more private, ETH has smart contracts and there are much more altcoin with much more features, even Bitcoin Cash is faster than Bitcoin, but BTC keeps rising much faster.
Don't you think it's just because of the name?
As you mention they three has different ways, remember BTC is the very first in compare and it's security is very good, people mentioned above about the amount of block per time which seems to be another thing to compare
