- Attenborough.film
- Compare
- EH-LS12000 vs 4K550ST
Epson EH-LS12000 vs Optoma 4K550ST
What EH-LS12000 does better (6) and where 4K550ST wins (3) — every spec side by side.
vs
6.7Picture9.0
4.8Noise, lifetime & portability2.2
Dimensions
Size comparison
EH-LS120004K550ST
| EH-LS12000 | 4K550ST | Difference | |
|---|---|---|---|
| Height | 193 mm | 129 mm | +64 mm |
| Width | 520 mm | 392 mm | +128 mm |
| Depth | 447 mm | 281 mm | +166 mm |
| Weight | 12.7 kg | 5.9 kg | +6.8 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is EH-LS12000 better than 4K550ST?
- Light source life20,000 h vs 3,000 h6.7×
- Maximum refresh rate240 Hz vs 120 Hz2×
- Lens shiftVertical and horizontal vs Vertical
- Contrast ratio (dynamic / claimed)2,500,000:1 vs 10,000:1250×
- Fan noise30 dB vs 32 dB+7%
- Power consumption302 W vs 335 W+11%
Why is 4K550ST better than EH-LS12000?
- Brightness (ANSI / ISO lumens)2,700 lm vs 4,500 lm+67%
- Weight12.7 kg vs 5.9 kg2.2×
- Audio outputNo · EH-LS12000: Yes
Specifications
Side by side
| Picture | ||
| Resolution (on screen) | 3840 × 2160 (4K UHD) | 3840 × 2160 (4K UHD) |
| Native panel resolution | 1920 × 1080 (Full HD) | 1920 × 1080 (Full HD) |
| 4K method | 4K by pixel shifting | 4K by pixel shifting |
| Display technology | 3LCD | DLP |
| Light source | Laser | — |
| Brightness (ANSI / ISO lumens) | 2,700 lm | 4,500 lm |
| Contrast ratio (dynamic / claimed) | 2,500,000:1 | 10,000:1 |
| HDR support | Yes | Yes |
| HDR formats | HDR10+, HDR10, HLG | — |
| Motion interpolation (MEMC) | Yes | — |
| 3D playback | Yes | Yes |
| Gaming | ||
| Maximum refresh rate | 240 Hz | 120 Hz |
| Lens & placement | ||
| Throw ratio | 1.35:1 | 0.78:1 |
| Throw ratio (zoomed in) | 2.84:1 | — |
| Throw type | Standard throw (1.0:1 and longer) | Short throw (0.4–1.0:1) |
| Distance for a 100″ 16:9 image | 2.99 m | 1.73 m |
| Smallest image size | 50″ | 29″ |
| Largest image size | 300″ | 300″ |
| Optical zoom | 2.1× | — |
| Lens shift | Vertical and horizontal | Vertical |
| Autofocus | No | — |
| Keystone correction | Yes | — |
| Automatic keystone correction | No | — |
| Sound | ||
| Built-in speakers (total output) | — | 10 W |
| Connectivity | ||
| HDMI inputs | 2 | 2 |
| USB port | Yes | Yes |
| Ethernet (LAN) | Yes | Yes |
| VGA input | No | Yes |
| Audio output | No | Yes |
| Battery, power & lifetime | ||
| Power consumption | 302 W | 335 W |
| Light source life | 20,000 h | 3,000 h |
| Light source life (eco mode) | 30,000 h | 4,000 h |
| Design & noise | ||
| Fan noise | 30 dB | 32 dB |
| Fan noise (eco mode) | 22 dB | — |
| Weight | 12.7 kg | 5.9 kg |
| Width | 520 mm | 392 mm |
| Height | 193 mm | 129 mm |
| Depth | 447 mm | 281 mm |
| Colours | Black | White |









