Head-to-head
Optoma UHD55 vs ViewSonic X2-4K
Side-by-side comparison of the Optoma UHD55 and ViewSonic X2-4K: throw ratio, brightness, resolution, input lag and price — plus which one to buy.
Quick verdict
The Optoma UHD55 and ViewSonic X2-4K are both standard-throw projectors in a similar price range. The Optoma UHD55 is brighter — 3,600 vs 2,150 lumens. The ViewSonic X2-4K can sit closer to the screen (throw ratio from 0.69 vs 1.21). The Optoma UHD55 costs less — about $1,499 vs $1,599.
| Spec | Optoma UHD55 | ViewSonic X2-4K |
|---|---|---|
| Throw ratio | 1.21–1.59 | 0.69–0.82 |
| Brightness | 3,600 lumens | 2,150 lumens |
| Resolution | 4K UHD | 4K UHD |
| HDR | Yes | Yes |
| Light source | lamp | LED |
| Input lag | 16 ms | — |
| Price | ~$1,499 | ~$1,599 |
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Throw distance: Optoma UHD55 vs ViewSonic X2-4K
How far each projector must sit from the screen for the same image size.
| Screen | Optoma UHD55 | ViewSonic X2-4K |
|---|---|---|
| 80″ | 7.0–9.2 ft | 4.0–4.8 ft |
| 100″ | 8.8–11.5 ft | 5.0–6.0 ft |
| 120″ | 10.5–13.9 ft | 6.0–7.1 ft |
| 150″ | 13.2–17.3 ft | 7.5–8.9 ft |
Which should you buy?
- • Choose the Optoma UHD55 if a brighter picture in ambient light matters most.
- • Choose the Optoma UHD55 if you want to spend less for similar core performance.
Frequently asked questions
The Optoma UHD55 is brighter, rated at 3,600 lumens versus 2,150 lumens.
More comparisons
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