Nebula X1S
#5 in 4KFull review
A very bright, easy to set up 4K laser projector with built-in Netflix for living rooms that cannot be fully darkened.
Amazon $2,799$2,799
The Nebula X1S rates 4.6 among 4K projectors; the XuanPad RD811 Google TV rates 3.3 among 1080p and under ones. The XuanPad RD811 Google TV costs $2,529.01 less ($269.99 vs $2,799).
XuanPad RD811 Google TV
#47 in 1080p and underFull 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.
Scores side by side
These two sit in different type classes (4K and 1080p and under), 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 | Nebula X1S | XuanPad RD811 Google TV |
|---|---|---|
| Overall rating | 4.6/5 | 3.3/5 |
| Brightness 25% | 100 6,000 ANSI lumens | 0 listed 5,000 lumens rating not credible |
| Value 15% | 90 $0.47 per lumen | 50 no rated brightness (neutral score used) |
| Resolution 10% | 100 4K (pixel shift) | 100 1920 x 1080 native |
| Streaming 15% | 100 Google TV with licensed Netflix | 100 Google TV with licensed Netflix |
| Setup 10% | 80 Autofocus, auto keystone, 1.7x zoom | 60 Autofocus, auto keystone |
| Light life 10% | 100 30,000 hour RGB laser | 50 light source life not published (neutral score used) |
| Gaming 10% | 50 input lag not published (neutral score used) | 50 input lag not published (neutral score used) |
| Warranty 5% | 50 2-year warranty | 50 2-year warranty |
Independent measurements
Nebula X1S
| Tested by | Brightness | Input lag | Contrast | Conditions |
|---|---|---|---|---|
| ProjectorReviews | 5,886 lm | 19 ms | 5,000:1 | Conference mode 5,886 lm; Standard 2,922; NebulaMaster 2,748. Lag about 19 ms at 4K/60 in Game mode. Native contrast about 5,000:1 with iris at minimum. |
XuanPad RD811 Google TV
No independent test published yet.
Specifications
| Nebula X1S | XuanPad RD811 Google TV | |
|---|---|---|
| Picture | ||
| Brightness | 6,000 ANSI | 5,000 ANSI (listed, not credible) |
| Native resolution | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) |
| Picture resolution | 4K (pixel shift from 1920x1080) | 1080p |
| Display | DLP | - |
| Light source | RGB laser | - |
| Light source life | 30,000 hours | - |
| HDR | Dolby Vision | - |
| Color gamut | 106% Rec.2020 | - |
| Native contrast | 5,000:1 | - |
| Dynamic contrast | 56,000:1 | - |
| Placement | ||
| Throw | Standard throw (0.9:1) | Standard throw |
| Largest image | 300 in | 200 in |
| Autofocus | Yes | Yes |
| Auto keystone | Yes | Yes |
| Obstacle avoidance | Yes | - |
| Auto screen fit | Yes | - |
| Optical zoom | 1.7x | - |
| Streaming and gaming | ||
| Built-in apps | Google TV, licensed Netflix | Google TV, licensed Netflix |
| Top refresh rate | 60 Hz | - |
| HDMI ports | 2 | - |
| eARC | Yes | - |
| Speakers | 40 W | 30 W |
| Build | ||
| Battery | None | None |
| Fan noise | 28 dB | - |
| Power | 240 W | - |
| Dimensions | 7.3 x 11.1 x 9.7 in | 7.67 x 7.7 x 2.04 in |
| Weight | 13.7 lb | 2.8 lb |
| Warranty | 2 years | 2 years |
| Released | 2026-08-26 | - |