Eos has a Blockhain which aims at becoming a decentralized operating system which can support industrial-scale decentralized applications
Features of EOS includes:
Inflationary tokens,which are emitted to pay rewards to miners.the transaction payment model uses a network carrying capacity know as Bandwidth and it is free.

While Ethereum is also a blockchain platform  for creating smart contracts. it's Model of payment is Gas and transcation per second is 15 at its peak.
Both platform shares a lots of differences.
Which can be more successful in the future??