ViewSonic PJD7828HDL vs ViewSonic PA503S comparison definitely makes sense. Based on our rating, PJD7828HDL has a total rating of 6.3 out of 10 versus 5.6 for PA503S.
Advantages ViewSonic PA503S over ViewSonic PJD7828HDL
Better brightness: 3600 vs 3200 lumens
Lower noise level, 34 dB vs 35 dB
Lower power consumption, 260 W vs 300 W
Longer lamp life (normal mode): 5000 vs 4000 hours