Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Epson - Home Cinema 3800 | ViewSonic - X2-4K |
|---|---|---|
| Brightness | 3000 lm | 2900 lm |
| Light source | Lamp | Laser |
| Short-throw | false | true |
Between the Home Cinema 3800 and X2-4K, the Home Cinema 3800 comes out ahead in brightness, while the X2-4K wins on light source / short-throw. Overall, the Home Cinema 3800 scores 74.3 and the X2-4K scores 73.5 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (74.3 vs 73.5). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
Pick the Home Cinema 3800 if you care most about brightness. The biggest gaps in its favor are brightness. The single most decisive one: Brightness — 3.45% more. 3000 lm vs 2900 lm.
Pick the X2-4K if you care most about light source / short-throw. Its strongest claims are light source, short-throw. The single most decisive one: Light source: Laser (vs Lamp).
Both ship with comparable resolution, so those specs do not separate the two — focus on the differences below.
Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity says both are well-rounded; the differences are about trade-offs, not quality.
Which should you buy: Epson - Home Cinema 3800 or ViewSonic - X2-4K?
Epson - Home Cinema 3800 leads the current Mars Score by 0.8 points.The more useful decision is the trade-off behind that result: compare brightness, light source, short-throw against the way you will actually use the product.
Choose Epson - Home Cinema 3800 if…
Epson - Home Cinema 3800 has the measurable edge on brightness lumens.
Choose ViewSonic - X2-4K if…
ViewSonic - X2-4K has the measurable edge on light source, 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 Epson - Home Cinema 3800 wins
- ▲Brightness — 3.45% more. 3000 lm vs 2900 lm.
Why ViewSonic - X2-4K wins
- ▲Light source: Laser (vs Lamp).
- ▲Short-throw: true (vs false).
Spec comparison
Image
| Spec | Epson - Home Cinema 3800 | ViewSonic - X2-4K |
|---|---|---|
| Resolutionⓘ | 4K | 4K |
| Brightnessⓘ | 3000 lmlead | 2900 lm |
| Contrast | 100000:1 | 3000000:1 |
| Light source | Lamp | Laserlead |
| Short-throw | false | truelead |
Smart & Connectivity
| Spec | Epson - Home Cinema 3800 | ViewSonic - X2-4K |
|---|---|---|
| Smart OS | None | Google TV |
| HDMI inputs | 2 | 2 |
| Built-in speakers | true | true |