It makes sense comparing Epson EX3220 vs ViewSonic PX747-4K because they both are able to give some premium features. Based on our rating, EX3220 has a total rating of 5.6 out of 10 versus 7.3 for PX747-4K.
Advantages Epson EX3220 over ViewSonic PX747-4K
Bigger projection screen size: 30-350 inch vs 60-200 inch
Lower power consumption, 283 W vs 310 W
Longer lamp life (normal mode): 5000 vs 4000 hours
Advantages ViewSonic PX747-4K over Epson EX3220
Bring the cinematic 4K UHD experience home with the PX747-4K