
Optoma HD28HDR
Score: 83/100ViewSonic X1-4KPro
Score: 85/100Rankings
The ViewSonic X1-4KPro is a 4K LED projector with ultra-low gaming latency and strong brightness for bright rooms. Its weight and fan noise are notable trade-offs. Best suited for gamers and home-theater users who prioritize performance over portability.

The Optoma HD28HDR offers 3,600 ANSI lumens and an 8.4 ms input lag, providing bright, responsive performance for gaming and movies. It lacks lens shift and has a modest 3 W speaker, and its lamp warranty is short. Ideal for competitive gamers and home-theater setups where mounting flexibility is less critical.
| Attribute | ![]() | ViewSonic X1-4KPro |
|---|---|---|
3,600 lumensbest | 3,300 lumens | |
50,000best | — | |
1.5best | — | |
5.41 metersbest | — | |
15,000 hoursbest | — | |
1.1 | 1.3best | |
3 watts | 12 wattsbest | |
2best | 2best |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ViewSonic X1-4KPro |
|---|---|---|
Display(4) | ||
Resolution | 1920x1080 | 3840 x 2160 |
Native Resolution | 1920x1080 | 3840 x 2160 |
Brightness (lumens) | 3600 lumens | 3300 lumens |
Contrast Ratio | 50000 | 3000000-3500000 |
Projection Geometry(2) | ||
Throw Ratio | 1.545 | 1.15-1.5 |
Throw Distance (meters) | 5.41 meters | 1.53-4.98 meters |
Lighting(1) | ||
Light Source | Lamp | LED |
Features(1) | ||
Zoom Ratio | 1.1 | 1.3 |
Audio(1) | ||
Speaker Power (watts) | 3 watts | 12 watts |
Build & Design(1) | ||
Weight (kg) | 3.88 kg | 3.68 kg |
Battery & Power(1) | ||
Power Consumption (watts) | 295 watts | 236 watts |
After‑Sale(1) | ||
Warranty (years) | 1 years | 3 years |

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

Professional reviewers consider the HD28HDR a strong value proposition for gamers and home-theater enthusiasts, applauding its ultra-low 8.4 ms input lag, bright 3,600 lumens output, HDR support, and quiet operation. However, they caution about the modest built-in audio, absence of lens shift, and a relatively short lamp warranty, suggesting that external speakers and careful installation are advisable.
Everyday users praise the projector's ability to deliver massive, bright images and responsive gaming performance, especially the low lag and quiet fan. Common complaints focus on the weak internal speaker, the need for precise throw-distance setup, and disappointment with the limited lamp warranty.
Professional reviewers commend the X1-4K Pro for its Xbox-centric design, ultra-low input lag, and high brightness, while noting inconsistencies in brightness specs, the projector's heft, and manual focus as areas where it lags behind premium competitors.
Everyday users love the projector's ability to deliver smooth, lag-free Xbox gaming on a massive screen and appreciate the convenience of integrated Google TV. Common praise centers on bright, colorful images and versatile mounting, while recurring complaints focus on noticeable fan noise, weight, and occasional brightness shortfalls in bright rooms.
“unrivaled detail up to 301 inches”

“low lag for fast-paced play”
