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- H6555BDKi vs LS740HD
Acer H6555BDKi vs ViewSonic LS740HD
What H6555BDKi does better (2) and where LS740HD wins (7) — every spec side by side.
Dimensions
Size comparison
H6555BDKiLS740HD
| H6555BDKi | LS740HD | Difference | |
|---|---|---|---|
| Height | 91 mm | 129 mm | −38 mm |
| Width | 322 mm | 286 mm | +36 mm |
| Depth | 225 mm | 216 mm | +9 mm |
| Weight | 2.9 kg | 3 kg | −0.1 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is H6555BDKi better than LS740HD?
- Audio outputYes · LS740HD: No
- Weight2.9 kg vs 3 kg+3%
Why is LS740HD better than H6555BDKi?
- Light source life4,000 h vs 20,000 h5×
- Brightness (ANSI / ISO lumens)4,500 lm vs 5,000 lm+11%
- Built-in speakers (total output)10 W vs 15 W+50%
- Contrast ratio (dynamic / claimed)10,000:1 vs 300,000:130×
- Wi-FiNo · H6555BDKi: Yes
- Ethernet (LAN)No · H6555BDKi: Yes
- Power consumption309 W vs 210 W+47%
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 | DLP | DLP |
| Light source | — | Laser |
| Brightness (ANSI / ISO lumens) | 4,500 lm | 5,000 lm |
| Contrast ratio (dynamic / claimed) | 10,000:1 | 300,000:1 |
| HDR support | No | No |
| 3D playback | — | Yes |
| Gaming | ||
| Maximum refresh rate | 120 Hz | 120 Hz |
| Lens & placement | ||
| Throw ratio | 1.13:1 | 1.13:1 |
| Throw ratio (zoomed in) | 1.46:1 | 1.47:1 |
| Throw type | Standard throw (1.0:1 and longer) | Standard throw (1.0:1 and longer) |
| Distance for a 100″ 16:9 image | 2.5 m | 2.5 m |
| Smallest image size | 31″ | 30″ |
| Largest image size | 300″ | 300″ |
| Optical zoom | 2× | 2× |
| Lens shift | — | None |
| Keystone correction | Yes | Yes |
| Automatic keystone correction | No | No |
| Sound | ||
| Built-in speakers (total output) | 10 W | 15 W |
| Smart & streaming | ||
| Wi-Fi | No | Yes |
| Connectivity | ||
| HDMI inputs | 2 | 2 |
| HDMI version | — | 2 |
| USB port | Yes | Yes |
| Ethernet (LAN) | No | Yes |
| VGA input | No | No |
| Audio output | Yes | No |
| Battery, power & lifetime | ||
| Power consumption | 309 W | 210 W |
| Light source life | 4,000 h | 20,000 h |
| Light source life (eco mode) | 20,000 h | 30,000 h |
| Design & noise | ||
| Fan noise | — | 32 dB |
| Fan noise (eco mode) | — | 26 dB |
| Weight | 2.9 kg | 3 kg |
| Width | 322 mm | 286 mm |
| Height | 91 mm | 129 mm |
| Depth | 225 mm | 216 mm |
| Colours | White | White |
