It makes sense comparing VAVA 4K vs BenQ HT1075 because they both are able to give some premium features. Based on our rating, 4K has a total rating of 9 out of 10 versus 7.3 for HT1075.
Advantages VAVA 4K over BenQ HT1075
Bring the cinematic 4K UHD experience home with the 4K
Better brightness: 6000 vs 2200 lumens
4K is HDR-compatible
Longer lamp life (normal mode): 25000 vs 3500 hours
More HDMI connectors: 3 vs 2
Stereo sound vs mono from integrated speakers
Advantages BenQ HT1075 over VAVA 4K
Bigger projection screen size: 40-235 inch vs 80-150 inch