Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Samsung - The Premiere LSP9T | ViewSonic - X2-4K |
|---|---|---|
| Brightness | 2800 lm | 2900 lm |
Between the The Premiere LSP9T and X2-4K, the The Premiere LSP9T comes out ahead in several specs, while the X2-4K wins on brightness. Overall, the The Premiere LSP9T scores 72.7 and the X2-4K scores 73.5 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (72.7 vs 73.5). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
The The Premiere LSP9T 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 X2-4K if you care most about brightness. Its strongest claims are brightness. The single most decisive one: Brightness — 3.57% more. 2900 lm vs 2800 lm.
Both ship with comparable resolution, light source, short-throw, 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: Samsung - The Premiere LSP9T or ViewSonic - X2-4K?
ViewSonic - X2-4K leads the current Mars Score by 0.8 points.The more useful decision is the trade-off behind that result: compare brightness against the way you will actually use the product.
Choose Samsung - The Premiere LSP9T if…
Samsung - The Premiere LSP9T does not lead a decisive measured field here, so choose it for price, ecosystem, design, or availability when those matter more to you.
Choose ViewSonic - X2-4K if…
ViewSonic - X2-4K has the measurable edge on brightness lumens.
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 Samsung - The Premiere LSP9T wins
- No decisive advantages.
Why ViewSonic - X2-4K wins
- ▲Brightness — 3.57% more. 2900 lm vs 2800 lm.
Spec comparison
Image
| Spec | Samsung - The Premiere LSP9T | ViewSonic - X2-4K |
|---|---|---|
| Resolutionⓘ | 4K | 4K |
| Brightnessⓘ | 2800 lm | 2900 lmlead |
| Contrast | 2000000:1 | 3000000:1 |
| Light source | Laser | Laser |
| Short-throw | true | true |
Smart & Connectivity
| Spec | Samsung - The Premiere LSP9T | ViewSonic - X2-4K |
|---|---|---|
| Smart OS | Tizen | Google TV |
| HDMI inputs | 3lead | 2 |
| Built-in speakers | true | true |