Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | BenQ - W5800 | XGIMI - Horizon Ultra |
|---|---|---|
| Brightness | 2600 lm | 2300 lm |
Between the W5800 and Horizon Ultra, the W5800 comes out ahead in brightness, while the Horizon Ultra wins on several specs. Overall, the W5800 scores 71.1 and the Horizon Ultra scores 68.7 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (71.1 vs 68.7). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
Pick the W5800 if you care most about brightness. The biggest gaps in its favor are brightness. The single most decisive one: Brightness — 13.04% more. 2600 lm vs 2300 lm.
The Horizon Ultra similarly does not carry a headline advantage on the popular specs — look at the full table for category-specific deltas.
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 Ultra?
BenQ - W5800 leads the current Mars Score by 2.4 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 has the measurable edge on brightness lumens.
Choose XGIMI - Horizon Ultra if…
XGIMI - Horizon Ultra does not lead a decisive measured field here, so choose it for price, ecosystem, design, or availability when those matter more to you.
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
- ▲Brightness — 13.04% more. 2600 lm vs 2300 lm.
Why XGIMI - Horizon Ultra wins
- No decisive advantages.
Spec comparison
Image
| Spec | BenQ - W5800 | XGIMI - Horizon Ultra |
|---|---|---|
| Resolutionⓘ | 4K | 4K |
| Brightnessⓘ | 2600 lmlead | 2300 lm |
| Contrast | 2000000:1 | 2400:1 |
| Light source | Laser | Laser |
| Short-throw | false | false |
Smart & Connectivity
| Spec | BenQ - W5800 | XGIMI - Horizon Ultra |
|---|---|---|
| Smart OS | None | Android TV |
| HDMI inputs | 2 | 2 |
| Built-in speakers | false | truelead |