Optoma HD28i
VS
Epson EB-W51
Feature Comparison
Main features
Main features
| General Grouping | Fixed | Fixed |
|---|---|---|
| Lamp Technology Type | ||
| Lamp Power | ||
| Standard Image Quality | ||
| Maximum Image Diameter | 306 inch | 320 inch |
| Minimum Image Diameter | 33.5 inch | 33 inch |
| Lamp Type | - | |
| Physical Panel Dimensions | - | 0.59 inch |
Main components
Main components
| Focal Length in Millimeters | 21.86 to 24 mm | 16.9 to 20.28 mm |
|---|
Visual details
Visual details
| Minimum Distance to the Screen | 1.2 meter (m) | - |
|---|---|---|
| Maximum Distance to the Screen | 10 meter (m) | - |
| Throw Ratio | 1.47 to 1.63 | 1.30 to 1.56 |
| Magnification Level | 1.1 times (e.g., 2x for 2 times) | |
| White Light Brightness | 4000 lumen (lm) | 4000 lumen (lm) |
| Color Light Brightness | 4000 lumen (lm) | 4000 lumen (lm) |
| Horizontal and Vertical Image Correction (Keystone) | Yes | Yes |
| Color variety produced | - | 1.07 billion colors |
| Color Processing | - | 10 bit |
Technical features
Technical features
| Focus System Type | Manual | Manual |
|---|---|---|
| Total Speaker Power | ||
| Wi-Fi Connection | Yes | Yes |
| Bluetooth Connection | Yes | No |
| Aperture Opening Amount | - | f/1.49 to f/1.72 |
Power supply and battery life
Power supply and battery life
| Power Source Type | Mains power | Mains power |
|---|
Other features
Other features
| Current and Voltage | ||
|---|---|---|
| Overall Projector Dimensions | 96 * 230 * 298 millimeter (mm) | 82 * 237 * 302 millimeter (mm) |
| Overall Projector Weight | 2820 gram (g) | 2500 gram (g) |
Aesthetic features
Aesthetic features
| Color Options | White | White |
|---|
General specifications
General specifications
| Equivalent Name | - |
|---|
Display
Display
| Highest Refresh Rate | - | 120 hertz (hz) |
|---|---|---|
| Screen Aspect Ratio | - |
Disclaimer: Information on this page may need review. If you notice any discrepancies, please report them
User Rating Comparison
Optoma HD28i
0
/10
from total 1 Vote
Epson EB-W51
0
/10
from total 1 Vote
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