One is a mild form of transgression while the other is a more extreme form of transgression. The first is equivalent to a venial sin while the other is definitely a mortal sin. One is forgivable while the other is beyond forgiveness.
It is the difference between committing a crime which there would be a short prison sentence & one which a lifetime prison sentence without parole is a very high likelihood. It is analogous between the bite of a king cobra and an inland taipan. It is also the difference between punching someone and beating that person so bad that h/she is permanently injured.
One act is 10 degrees while the other is 1000 degrees. It is mild negativity verses extreme, malevolent negativity. It is the difference between using an epithet and advocating the total annihilation of a whole group of people. It is the difference between using corporal punishment on a child and leaving a child out in the freezing weather to die. One is terrible while the other is horrific.
One is upper hell while the other is the lowest part of hell. One can be redeemable while the other is beyond unredeemable. One may or may not know the extent or intent of his/her acts & actions while the other know the full extent &/or intent of his/her acts & actions but could not care less. One is the darkest gray while the other can be classified as pitch black or blacker than the blackest black. One is morally or ethically wicked while the other is morally or ethically bankrupt, dissolute, & even debauched.
Possessing a lower state of consciousness & awareness versus the most abject form of consciousness & awareness imaginable. One is succumbing to the worse of one's nature while one is being totally demoniac, even satanic in scope. It is being envious versus being a total soul destroyer. It is also being callous versus being totally pitiless.