It makes sense comparing Epson VS355 vs ViewSonic M1 because they both are able to give some premium features. Based on our rating, VS355 has a total rating of 5.6 out of 10 versus 5.3 for M1.
Advantages Epson VS355 over ViewSonic M1
Bigger projection screen size: 33-320 inch vs 24-100 inch
Better brightness: 3300 vs 250 lumens
Advantages ViewSonic M1 over Epson VS355
Lower noise level, 32 dB vs 37 dB
Lower power consumption, 55 W vs 291 W
Longer lamp life (normal mode): 30000 vs 6000 hours