ATHEIST: Less delusions, less unrealistic expectations, more reality-based, can still be interested in ethics, appreciation of life, may focus on constructive purposes, critical thinking, more difficult to mislead and exploit, curiosity, discovery of the world and awe, adult women, can enjoy pure entertainment, can spend more time and resources into advanced skills.
CHRISTIAN: Virtue signaling, hypocrisy, superstition, conditioned delusions, fatalism, obsession with control, bigotry, fallacies, appeal to false authorities, pseudohistory, confirmation bias, cherry picking, reality denial, deception and exploitation, tax evasion and fraud, obscurantism, depression and psychosis, destitute (fidels) or rich (narcissist leader), fear of death, guilt, isolation, disdain of the world and entertainment (except fake entertainment), judgemental, persecution complex, god complex, elitism, child women, child abuse, victim blaming, whining, whining, whining, may possibly be wasting their only life for the benefit of a cult.
Note: That's a particular type of Christian, because some are also better Christians than Hovind. Some characteristics I put under atheist are not exclusively for atheists and vice-versa.
Another simplified version of "Christian": They Live! (1988), The Handmaid's Tale (1985)...
"Darwin to Jesus", while not impossible is very unlikely. It's like those "testimonials" of "ex-evolutionists" who throw around the same old ignorant straw men of science and biology, evidence that they never understood how evolution works. Then if they would, they could be the type of Christian who doesn't reject reality, instead of promoting lies about science and the state of actual human knowledge about the real world. They wouldn't claim that the most intellectually honest human enterprise is demonic deception, to then deceive their audience for their exploitation.