Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Anker - Nebula Cosmos Laser SE | Hisense - PX3-Pro |
|---|---|---|
| Brightness | 1800 lm | 3000 lm |
| Resolution | 1080p | 4K |
| Short-throw | false | true |
Between the Nebula Cosmos Laser SE and PX3-Pro, the Nebula Cosmos Laser SE comes out ahead in several specs, while the PX3-Pro wins on brightness / resolution. Overall, the Nebula Cosmos Laser SE scores 49.4 and the PX3-Pro scores 74.3 on our Mars Score.
Which should you buy?
The PX3-Pro is the clear pick on raw spec strength, leading by 24.9 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
The Nebula Cosmos Laser SE does not pull ahead on any single popular-comparison spec — its strengths sit in the spec-table groups rather than the headline advantages.
Pick the PX3-Pro if you care most about brightness / resolution. Its strongest claims are brightness, resolution, short-throw. The single most decisive one: Brightness — 66.67% more. 3000 lm vs 1800 lm.
Both ship with comparable light source, so those specs do not separate the two — focus on the differences below.
Bottom line: the PX3-Pro is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Which should you buy: Anker - Nebula Cosmos Laser SE or Hisense - PX3-Pro?
Hisense - PX3-Pro leads the current Mars Score by 24.9 points.The more useful decision is the trade-off behind that result: compare brightness, resolution, short-throw against the way you will actually use the product.
Choose Anker - Nebula Cosmos Laser SE if…
Anker - Nebula Cosmos Laser SE does not lead a decisive measured field here, so choose it for price, ecosystem, design, or availability when those matter more to you.
Choose Hisense - PX3-Pro if…
Hisense - PX3-Pro has the measurable edge on brightness lumens, resolution, is short throw.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why Anker - Nebula Cosmos Laser SE wins
- No decisive advantages.
Why Hisense - PX3-Pro wins
- ▲Brightness — 66.67% more. 3000 lm vs 1800 lm.
- ▲Resolution: 4K (vs 1080p).
- ▲Short-throw: true (vs false).
Spec comparison
Image
| Spec | Anker - Nebula Cosmos Laser SE | Hisense - PX3-Pro |
|---|---|---|
| Resolutionⓘ | 1080p | 4Klead |
| Brightnessⓘ | 1800 lm | 3000 lmlead |
| Contrast | 2000:1 | 3000:1 |
| Light source | Laser | Laser |
| Short-throw | false | truelead |
Smart & Connectivity
| Spec | Anker - Nebula Cosmos Laser SE | Hisense - PX3-Pro |
|---|---|---|
| Smart OS | Google TV | Google TV |
| HDMI inputs | 1 | 3lead |
| Built-in speakers | true | true |