It makes sense comparing Sony VPLHW45ES vs ViewSonic M1 because they both are able to give some premium features. Based on our rating, VPLHW45ES has a total rating of 7.3 out of 10 versus 5.3 for M1.
Advantages Sony VPLHW45ES over ViewSonic M1
Bigger projection screen size: 40-300 inch vs 24-100 inch
Better brightness: 1800 vs 250 lumens
3D support
More HDMI connectors: 2 vs 1
Advantages ViewSonic M1 over Sony VPLHW45ES
Lower noise level, 32 dB vs 35 dB
Lower power consumption, 55 W vs 310 W
Longer lamp life (normal mode): 30000 vs 4000 hours