Haven't you tried it yet since you posted the OP (almost 4 months ago)
And your edit added a note that it's answered already.

If you missed it, my very first reply is applicable for lightweight clients like Feather wallet.
The comparison to Electrum is due to it being one the fastest you can have for Monero without sacrificing your private view key to a third-party, but the speed isn't close to Electrum.
Monero and Bitcoin work differently.