
ViewSonic LS901-4K
Score: 89/100
Optoma UHZ68
Score: 87/100Rankings

The ViewSonic LS901-4K is a professional-grade laser projector delivering 5,500 lumens and a 3,000,000:1 contrast ratio for large-venue installations. Its laser source and extensive adjustment options add flexibility but bring higher power consumption and cost. Best for corporate, education or home-theater users needing bright, high-contrast images and advanced installation features.

The Optoma UHZ68 is a premium dual-laser 4K UHD projector with 4,500 ISO lumens, Dolby Vision and HDMI 2.1, delivering top-tier brightness and color performance. Its high price and limited user reviews may deter budget buyers, and setup can be complex. Perfect for dedicated home-theater enthusiasts and serious gamers.
| Attribute | ![]() | ![]() |
|---|---|---|
5,500 lumensbest | 4,500 lumens | |
3,000,000 | 3,200,000best | |
— | 1.6best | |
— | 5.5 metersbest | |
30,000 hoursbest | 30,000 hoursbest | |
1.7best | 1.6 | |
15 wattsbest | 10 watts | |
1 | 3best |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Display(2) | ||
Brightness (lumens) | 5500 lumens | 4500 lumens |
Contrast Ratio | 3000000 | 3200000 |
Projection Geometry(2) | ||
Throw Ratio | 1.2-2.04 | 1.56 |
Throw Distance (meters) | 1.0-10.96 meters | 5.5 meters |
Lighting(1) | ||
Light Source | laser | Laser |
Features(1) | ||
Zoom Ratio | 1.7 | 1.6 |
Audio(1) | ||
Speaker Power (watts) | 15 watts | 10 watts |
Connectivity(1) | ||
HDMI Ports | 1 | 3 |
Build & Design(1) | ||
Weight (kg) | 4.85 kg | 5.04 kg |
Battery & Power(1) | ||
Power Consumption (watts) | 245 watts | 165 watts |
After‑Sale(1) | ||
Warranty (years) | 3 years | 1 years |


Products in the top-left offer the best value (high score, low price).

Professional reviewers consider the Optoma UHZ68 a bright, feature-rich 4K laser projector that excels in HDR performance, low latency gaming, and flexible installation, though they note its price premium and that rivals may deliver tighter factory color calibration.
User feedback is scarce in the available sources, so no clear patterns of praise or complaint emerge beyond the general lack of everyday reviews.
