Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | BenQ - W5800 | XGIMI - Horizon S Max |
|---|---|---|
| Brightness | 2600 lm | 3100 lm |
Between the W5800 and Horizon S Max, the W5800 comes out ahead in several specs, while the Horizon S Max wins on brightness. Overall, the W5800 scores 71.1 and the Horizon S Max scores 75 on our Mars Score.
Which should you buy?
The Horizon S Max edges ahead on the Mars Score (71.1 vs 75), but the 3.9-point gap is small enough that the right pick comes down to which spec advantages matter to you.
The W5800 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 Horizon S Max if you care most about brightness. Its strongest claims are brightness. The single most decisive one: Brightness — 19.23% more. 3100 lm vs 2600 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: BenQ - W5800 or XGIMI - Horizon S Max?
XGIMI - Horizon S Max leads the current Mars Score by 3.9 points.The more useful decision is the trade-off behind that result: compare brightness against the way you will actually use the product.
Choose BenQ - W5800 if…
BenQ - W5800 does not lead a decisive measured field here, so choose it for price, ecosystem, design, or availability when those matter more to you.
Choose XGIMI - Horizon S Max if…
XGIMI - Horizon S Max 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 BenQ - W5800 wins
- No decisive advantages.
Why XGIMI - Horizon S Max wins
- ▲Brightness — 19.23% more. 3100 lm vs 2600 lm.
Spec comparison
Image
| Spec | BenQ - W5800 | XGIMI - Horizon S Max |
|---|---|---|
| Resolutionⓘ | 4K | 4K |
| Brightnessⓘ | 2600 lm | 3100 lmlead |
| Contrast | 2000000:1 | 2800:1 |
| Light source | Laser | Laser |
| Short-throw | false | false |
Smart & Connectivity
| Spec | BenQ - W5800 | XGIMI - Horizon S Max |
|---|---|---|
| Smart OS | None | Android TV |
| HDMI inputs | 2 | 2 |
| Built-in speakers | false | truelead |