Makar better offensively, Hughes better defensively. Hughes tilts the game more for his team. Makar better career so far, who knows what happens in future. Hughes is smarter, even though Makar's IQ is still off the charts. Makar is a better skater, even though Hughes is spectacular as well. One thing though is Makar has an excellent shot, whereas Hughes is just good and elusive, but not elite.
If I'd have to give out of 10:
Offense:
Makar: 10/10
Hughes: 9.5/10
Defense:
Makar: 8.5/10
Hughes: 9.5/10
Transition:
Makar: 9/10
Hughes: 10/10
IQ:
Makar: 9/10
Hughes: 10/10
Skating:
Makar: 10/10
Hughes: 9.5/10
Physical strength and endurance:
Makar: 9.5/10
Hughes: 8.5/10
Shot:
Makar: 9/10
Hughes: 8/10