Romney had an American father -- Obama had an African father
Romney had a rich and famous father - Obama had little-known, low-income father
Romney is a Mormon who is very active in his church -- Obama was a long-time United Church of Christ member who has switched to worshiping at the Camp David chapel (as did the Bushes), mostly to avoid crowd issues.
Romney has experience as governor of Mass. - Obama has experience as US Senator from Illinois.
Romney got very rich from an investment firm - Obama was well-off as a lawyer and state politician.
If you are looking for political difference (i.e. stances on specific issues), please ask a question regarding that particular issue, as even a partial comparison of their political difference here in this summary is impossible.
Barack Obama
Barack Obama
Barack obama or mitt romney barack obama
Mitt Romney has never been a president.
303- obama 206 romney
Mitt Romney is way more wealthy that President Barrack Obama in personal savings.
Mitt Romney.
Mitt Romney
Mitt Romney's father was George Romney, the former governor of Michigan. Barack Obama's father was not in politics and did not come from Michigan.
Obama is a Democrat, and Romney is a Republican.
Mitt Romney hasn't been president so we can't answer that yet.
On November 6, 2012, Barack Obama defeated Mitt Romney, and was re-elected to the presidency. Thus, Barack Obama remains the president.