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 rates 3.8 among native 1080p projectors; the XuanPad RD-711 VIDAA rates 3.1 among under 1080p ones. The XuanPad RD-711 VIDAA costs $430 less ($569.99 vs $999.99).
XuanPad RD-711 VIDAA
#17 in Under 1080pFull review
A VIDAA projector with automatic setup and big speakers for a living room. Its 6000 ANSI and 4K claims are unverified, so compare it with tested models first.
Amazon $569.99$569.99
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.
Scores side by side
These two sit in different type classes (native 1080p and under 1080p), and each is scored against the reference points for its own class, so a rating says how well each does among its own type peers. How we rank explains each factor.
| Factor weight | ViewSonic LS740HD | XuanPad RD-711 VIDAA |
|---|---|---|
| Overall rating | 3.8/5 | 3.1/5 |
| Brightness 25% | 100 5,000 ANSI lumens | 0 listed 6,000 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 | 50 native resolution not published (neutral score used) |
| Streaming 15% | 0 no built-in apps; needs a streaming stick | 100 VIDAA 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 RD-711 VIDAA
No independent test published yet.
Specifications
| ViewSonic LS740HD | XuanPad RD-711 VIDAA | |
|---|---|---|
| Picture | ||
| Brightness | 5,000 ANSI | 6,000 ANSI (listed, not credible) |
| Native resolution | 1920 x 1080 (1080p) | - |
| Picture resolution | 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 | - |
| Autofocus | No | Yes |
| Auto keystone | No | Yes |
| Obstacle avoidance | No | Yes |
| Auto screen fit | No | Yes |
| Optical zoom | 1.3x | None |
| Streaming and gaming | ||
| Built-in apps | None | VIDAA, licensed Netflix |
| Input lag | 49.5 ms | - |
| Top refresh rate | 120 Hz | - |
| HDMI ports | 2 | - |
| eARC | - | No |
| Speakers | 15 W | 42 W |
| Build | ||
| Battery | None | None |
| Fan noise | 30 dB | - |
| Power | 210 W | - |
| Dimensions | 286 x 216 x 129 mm (W x D x H) | 9.3 x 6.6 x 8.3 in |
| Weight | 6.6 lb | 5.7 lb |
| Warranty | 3 years | 2 years |
| Released | 2023-06 | - |