Only at later age he wasn't committed to defence.
Lebron has 6 NBA defensive team of the year, and during his 19 seasons 4 times only the DPOY wasn't big man, that includes Ron Artest durin Lebron rookie year, and Narcus Smart in his 19th year.
Lebron simply had very little chance to win in this era due to bias toward big men during his prime years. It took a transcendent defensive wing like Kawhi to change that.
Lebron is better passer, rebounder, shooter, more durability, better leader and role model to his teammates tbh.
MJ was more killer tbf.
It is tough to compare both tbh, different eras and NBA has changed massively since Lebron first few years, never m8nd the 90's.