naww, your wrong! lol.
m7 & m scales are chords from the same scale. the difference being that the m7 has the 7th note of the scale unlike the m which would usually jus comprise of root,3rd & 5th.
However, you noted scale, & they are both from the (or a) minor scale & the same scale at that, so there is absolutely NO difference. you also forgot to explain to the mutha****a that most music is major, minor, & dominant all at the same time, & all that modal ish. anyone needs an explanation, hit me up