It's better than Ethereum for a large number of reasons
A few notables:
- massive speed increase by parallelisizing some of the serial processes ETH has
- only what's needed is usually synched, which means significantly less sync times
- Possibility for free/freemium apps
- Built in permissions, including a 2FA style account recovery
- A legit schema based storage system
to name a few
Should ne favored ny app debelopers. The founder is a previous developerof Steemit and Bitshares. The details are here https://github.com/EOSIO/Documentation/blob/master/TechnicalWhitePaper.md