Who has more morals? Atheists or hardcore Christians?

if we compare an atheist who acts morally and a christian who acts morally I personally think the atheist as a person is more moral because he acts morally simply because he believes in acting morally where as the christian does it out of fear of god or to get some kind of reward from god in this world or "the next". I've often heard christians actually wonder why atheists act morally thinking " well if you think there's no god why arent you stealing and killing people?" (I've actually heard this many times) and that makes ME wonder how shallow christian values are. I need no autority or god to act morally, I do it because i have empathy for others. I need no other motivation. I wouldn't steal from someone because I understand that it will make someone else sad to lose their property.