ViewSonic LS740HD
#17 in Native 1080pFull review
A bright, low maintenance 1080p laser projector for rooms with ambient light, golf simulators or big screens. Not for serious gaming.
Amazon $999.99$999.99
The ViewSonic LS740HD is the better projector overall, rated 3.8 to 3.3. The ViewSonic LS740HD leads on brightness and warranty. The XuanPad RD811 Google TV wins on streaming and setup. The XuanPad RD811 Google TV costs $730 less ($269.99 vs $999.99).
XuanPad RD811 Google TV
#64 in Native 1080pFull review
A slim Google TV projector with licensed Netflix for bedrooms and camping trips. Ignore the 5000 ANSI headline and plan on a dark room.
Amazon $269.99$269.99
Prices were last checked October 29, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the ViewSonic LS740HD for brightness (5,000 ANSI lumens vs listed 5,000 lumens rating not credible) and warranty (3-year warranty vs 2-year warranty).
- Choose the XuanPad RD811 Google TV for streaming (Google TV with licensed Netflix vs no built-in apps; needs a streaming stick) and setup (Autofocus, auto keystone vs 1.3x zoom).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every native 1080p projector; a clear win is highlighted. How we rank explains each one.
| Factor weight | ViewSonic LS740HD | XuanPad RD811 Google TV |
|---|---|---|
| Overall rating | 3.8/5 | 3.3/5 |
| Brightness 25% | 100 5,000 ANSI lumens | 0 listed 5,000 lumens rating not credible |
| Value 15% | 94 $0.20 per lumen | 50 no rated brightness (neutral score used) |
| Resolution 10% | 100 1920 x 1080 native | 100 1920 x 1080 native |
| Streaming 15% | 0 no built-in apps; needs a streaming stick | 100 Google TV with licensed Netflix |
| Setup 10% | 20 1.3x zoom | 60 Autofocus, auto keystone |
| Light life 10% | 100 30,000 hour laser | 50 light source life not published (neutral score used) |
| Gaming 10% | 1 49.5 ms input lag | 50 input lag not published (neutral score used) |
| Warranty 5% | 100 3-year warranty | 50 2-year warranty |
Independent measurements
ViewSonic LS740HD
| Tested by | Brightness | Input lag | Contrast | Conditions |
|---|---|---|---|---|
| ProjectorCentral | 4,783 lm | 49.5 ms | - | Bright mode; lag measured at 1080p/60 and unchanged in Gaming mode. |
XuanPad RD811 Google TV
No independent test published yet.
Specifications
| ViewSonic LS740HD | XuanPad RD811 Google TV | |
|---|---|---|
| Picture | ||
| Brightness | 5,000 ANSI | 5,000 ANSI (listed, not credible) |
| Native resolution | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) |
| Picture resolution | 1080p | 1080p |
| Display | DLP | - |
| Light source | laser | - |
| Light source life | 30,000 hours | - |
| Dynamic contrast | 3,000,000:1 | - |
| Placement | ||
| Throw | Standard throw (1.1:1) | Standard throw |
| Largest image | 300 in | 200 in |
| Autofocus | No | Yes |
| Auto keystone | No | Yes |
| Obstacle avoidance | No | - |
| Auto screen fit | No | - |
| Optical zoom | 1.3x | - |
| Streaming and gaming | ||
| Built-in apps | None | Google TV, licensed Netflix |
| Input lag | 49.5 ms | - |
| Top refresh rate | 120 Hz | - |
| HDMI ports | 2 | - |
| Speakers | 15 W | 30 W |
| Build | ||
| Battery | None | None |
| Fan noise | 30 dB | - |
| Power | 210 W | - |
| Dimensions | 286 x 216 x 129 mm (W x D x H) | 7.67 x 7.7 x 2.04 in |
| Weight | 6.6 lb | 2.8 lb |
| Warranty | 3 years | 2 years |
| Released | 2023-06 | - |