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- LX720-4K vs LX750-4K
ViewSonic LX720-4K vs ViewSonic LX750-4K
What LX720-4K does better (2) and where LX750-4K wins (1) — every spec side by side.
Dimensions
Size comparison
LX720-4KLX750-4K
| LX720-4K | LX750-4K | Difference | |
|---|---|---|---|
| Height | 104 mm | 104 mm | = |
| Width | 312 mm | 312 mm | = |
| Depth | 234 mm | 234 mm | = |
| Weight | 3.5 kg | 3.5 kg | = |
Drawn to the same scale from the official dimensions (front and side).
Why is LX720-4K better than LX750-4K?
- Contrast ratio (dynamic / claimed)300,000:1 vs 1,200:1250×
- Fan noise32 dB vs 33 dB+3%
Why is LX750-4K better than LX720-4K?
- Brightness (ANSI / ISO lumens)3,500 lm vs 4,000 lm+14%
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 | DLP | DLP |
| Light source | Laser | Laser |
| Brightness (ANSI / ISO lumens) | 3,500 lm | 4,000 lm |
| Contrast ratio (dynamic / claimed) | 300,000:1 | 1,200:1 |
| Lens & placement | ||
| Smallest image size | — | 60″ |
| Largest image size | 300″ | 300″ |
| Optical zoom | — | 1.3× |
| Lens shift | — | None |
| Keystone correction | Yes | Yes |
| Automatic keystone correction | No | No |
| Sound | ||
| Built-in speakers (total output) | 10 W | 10 W |
| Smart & streaming | ||
| Smart platform | — | Google TV |
| Built-in smart platform | — | Yes |
| Netflix (officially licensed) | — | Yes |
| Wi-Fi | Yes | Yes |
| Bluetooth | Yes | Yes |
| Chromecast built-in | — | Yes |
| Internal storage | 8 GB | 8 GB |
| Connectivity | ||
| HDMI inputs | 2 | 2 |
| USB port | Yes | Yes |
| Ethernet (LAN) | No | No |
| VGA input | No | No |
| Audio output | Yes | Yes |
| Battery, power & lifetime | ||
| Light source life | 20,000 h | 20,000 h |
| Light source life (eco mode) | 30,000 h | 30,000 h |
| Design & noise | ||
| Fan noise | 32 dB | 33 dB |
| Fan noise (eco mode) | 26 dB | 27 dB |
| Weight | 3.5 kg | 3.5 kg |
| Width | 312 mm | 312 mm |
| Height | 104 mm | 104 mm |
| Depth | 234 mm | 234 mm |
| Colours | — | White |
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