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- EF-12 vs HD28e
Epson EF-12 vs Optoma HD28e
What EF-12 does better (5) and where HD28e wins (3) — every spec side by side.
Dimensions
Size comparison
EF-12HD28e
| EF-12 | HD28e | Difference | |
|---|---|---|---|
| Height | 135 mm | 108 mm | +27 mm |
| Width | 175 mm | 316 mm | −141 mm |
| Depth | 175 mm | 244 mm | −69 mm |
| Weight | 2.1 kg | 2.5 kg | −0.4 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is EF-12 better than HD28e?
- Automatic keystone correctionYes · HD28e: No
- Contrast ratio (dynamic / claimed)2,500,000:1 vs 30,000:183.3×
- Power consumption102 W vs 295 W2.9×
- HDR supportYes · HD28e: No
- Weight2.1 kg vs 2.5 kg+19%
Why is HD28e better than EF-12?
- Brightness (ANSI / ISO lumens)1,000 lm vs 3,800 lm3.8×
- Largest image size150″ vs 300″2×
- Fan noise27 dB vs 25 dB+8%
Specifications
Side by side
| Picture | ||
| Resolution (on screen) | 1920 × 1080 (Full HD) | 1920 × 1080 (Full HD) |
| Native panel resolution | 1920 × 1080 (Full HD) | 1920 × 1080 (Full HD) |
| Display technology | 3LCD | DLP |
| Light source | Laser | — |
| Brightness (ANSI / ISO lumens) | 1,000 lm | 3,800 lm |
| Contrast ratio (dynamic / claimed) | 2,500,000:1 | 30,000:1 |
| HDR support | Yes | No |
| HDR formats | HDR10, HLG | — |
| 3D playback | Yes | Yes |
| Gaming | ||
| Maximum refresh rate | — | 120 Hz |
| Game / low-latency mode | — | Yes |
| Lens & placement | ||
| Throw ratio | 1:1 | 1.47:1 |
| Throw ratio (zoomed in) | — | 1.62:1 |
| Throw type | Standard throw (1.0:1 and longer) | Standard throw (1.0:1 and longer) |
| Distance for a 100″ 16:9 image | 2.21 m | 3.25 m |
| Smallest image size | 30″ | 28″ |
| Largest image size | 150″ | 300″ |
| Optical zoom | — | 1.1× |
| Lens shift | None | None |
| Autofocus | No | No |
| Keystone correction | Yes | Yes |
| Automatic keystone correction | Yes | No |
| Sound | ||
| Built-in speakers (total output) | 5 W | 5 W |
| Smart & streaming | ||
| Smart platform | Android (not TV-certified) | — |
| Built-in smart platform | Yes | — |
| Wi-Fi | Yes | Yes |
| Bluetooth | Yes | — |
| Chromecast built-in | Yes | — |
| Voice assistant | Google Assistant | — |
| Connectivity | ||
| HDMI inputs | 1 | 1 |
| HDMI version | — | 1.4 |
| USB port | Yes | Yes |
| Ethernet (LAN) | No | No |
| VGA input | No | No |
| Audio output | Yes | Yes |
| Battery, power & lifetime | ||
| Power consumption | 102 W | 295 W |
| Light source life | — | 4,000 h |
| Light source life (eco mode) | — | 10,000 h |
| Design & noise | ||
| Fan noise | 27 dB | 25 dB |
| Fan noise (eco mode) | 22 dB | — |
| Weight | 2.1 kg | 2.5 kg |
| Width | 175 mm | 316 mm |
| Height | 135 mm | 108 mm |
| Depth | 175 mm | 244 mm |
| Colours | Black | White |
