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- L20 by Acer vs PT-1
AOpen L20 by Acer vs Rollei PT-1
What L20 by Acer does better (3) and where PT-1 wins (2) — every spec side by side.
vs
2.5Setup & placement6.5
Why is L20 by Acer better than PT-1?
- Wi-FiYes · PT-1: No
- Built-in speakers (total output)6 W vs 5 W+20%
- Weight0.9 kg vs 1.5 kg+67%
Why is PT-1 better than L20 by Acer?
- Contrast ratio (dynamic / claimed)1,000:1 vs 5,000:15×
- Largest image size100″ vs 200″2×
Specifications
Side by side
| Picture | ||
| Resolution (on screen) | 1280 × 720 (HD) | 1280 × 720 (HD) |
| Native panel resolution | 1280 × 720 (HD) | 1280 × 720 (HD) |
| Light source | LED | LED |
| Brightness (ANSI / ISO lumens) | — | 220 lm |
| Contrast ratio (dynamic / claimed) | 1,000:1 | 5,000:1 |
| Lens & placement | ||
| Throw ratio | — | 1.44:1 |
| Throw type | — | Standard throw (1.0:1 and longer) |
| Distance for a 100″ 16:9 image | — | 3.19 m |
| Smallest image size | 30″ | 40″ |
| Largest image size | 100″ | 200″ |
| Lens shift | None | None |
| Autofocus | No | — |
| Keystone correction | — | Yes |
| Automatic keystone correction | — | No |
| Sound | ||
| Built-in speakers (total output) | 6 W | 5 W |
| Smart & streaming | ||
| Wi-Fi | Yes | No |
| Bluetooth | Yes | Yes |
| Connectivity | ||
| HDMI inputs | 1 | 1 |
| USB port | Yes | Yes |
| Ethernet (LAN) | No | No |
| VGA input | No | No |
| Audio output | Yes | Yes |
| Battery, power & lifetime | ||
| Light source life | 30,000 h | — |
| Design & noise | ||
| Weight | 0.9 kg | 1.5 kg |
| Colours | Grey, Black | Grey |
