Compare
Chromatic vs Whole Tone
Every semitone vs every whole-step. Twelve notes vs six. Total density vs symmetric ambiguity.
Chromatic
R
♭2
2
♭3
3
4
♭5
5
♭6
6
♭7
7
Whole Tone
R
♭2
2
♭3
3
4
♭5
5
♭6
6
♭7
7
What's different
Only in Chromatic
♭2♭34567
In both
R23♭5♭6♭7
Other comparisons