Anker - Nebula Cosmos Laser 4K vs Epson - EpiqVision Ultra LS800
Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Anker - Nebula Cosmos Laser 4K | Epson - EpiqVision Ultra LS800 |
|---|---|---|
| Brightness | 2400 lm | 4000 lm |
| Short-throw | false | true |
Between the Nebula Cosmos Laser 4K and EpiqVision Ultra LS800, the Nebula Cosmos Laser 4K comes out ahead in several specs, while the EpiqVision Ultra LS800 wins on brightness / short-throw. Overall, the Nebula Cosmos Laser 4K scores 69.5 and the EpiqVision Ultra LS800 scores 82 on our Mars Score.
Which should you buy?
The EpiqVision Ultra LS800 is the clear pick on raw spec strength, leading by 12.5 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 4K 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 EpiqVision Ultra LS800 if you care most about brightness / short-throw. Its strongest claims are brightness, short-throw. The single most decisive one: Brightness — 66.67% more. 4000 lm vs 2400 lm.
Both ship with comparable resolution, light source, so those specs do not separate the two — focus on the differences below.
Bottom line: the EpiqVision Ultra LS800 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 4K or Epson - EpiqVision Ultra LS800?
Epson - EpiqVision Ultra LS800 leads the current Mars Score by 12.5 points.The more useful decision is the trade-off behind that result: compare brightness, short-throw against the way you will actually use the product.
Choose Anker - Nebula Cosmos Laser 4K if…
Anker - Nebula Cosmos Laser 4K does not lead a decisive measured field here, so choose it for price, ecosystem, design, or availability when those matter more to you.
Choose Epson - EpiqVision Ultra LS800 if…
Epson - EpiqVision Ultra LS800 has the measurable edge on brightness lumens, 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 4K wins
- No decisive advantages.
Why Epson - EpiqVision Ultra LS800 wins
- ▲Brightness — 66.67% more. 4000 lm vs 2400 lm.
- ▲Short-throw: true (vs false).
Spec comparison
Image
| Spec | Anker - Nebula Cosmos Laser 4K | Epson - EpiqVision Ultra LS800 |
|---|---|---|
| Resolutionⓘ | 4K | 4K |
| Brightnessⓘ | 2400 lm | 4000 lmlead |
| Contrast | 2200:1 | 2500000:1 |
| Light source | Laser | Laser |
| Short-throw | false | truelead |
Smart & Connectivity
| Spec | Anker - Nebula Cosmos Laser 4K | Epson - EpiqVision Ultra LS800 |
|---|---|---|
| Smart OS | Android TV | Android TV |
| HDMI inputs | 1 | 3lead |
| Built-in speakers | true | true |