Epson Home Cinema 3800 vs Optoma UHD35STx
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Choosing between the Epson Home Cinema 3800 and Optoma UHD35STx? Both compete in the Projector segment. Here’s how they compare across the specs that matter most for your home theater.
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Looking at overall performance dimensions: The Optoma UHD35STx leads in value, gaming performance, form factor, room fit. They score similarly in video quality, ease of use.
The Optoma UHD35STx offers higher brightness at 3600 ANSI lumens vs 3000, and different projection technologies (3LCD vs DLP). More lumens means a brighter image, critical if you can't fully darken your room. Below 2000 lumens needs a dedicated dark room; 3000+ handles ambient light. In a dedicated dark room, contrast ratio and color accuracy may matter more than raw brightness.
The Optoma UHD35STx holds an advantage across more performance dimensions, but the Epson Home Cinema 3800 may still be the better pick depending on which specs matter most to your setup. See the detailed comparison table below for the full breakdown.
For most home theaters, the Optoma UHD35STx is the stronger choice — it leads in 4 of 6 scored dimensions. The Epson Home Cinema 3800 makes more sense if budget is the primary constraint.
Performance Overview
Scores based on specs and category benchmarks (0–100 scale)
Detailed Specifications
| Specification | ||
|---|---|---|
| Price | N/A | N/A |
| Native Resolution | 4K | 4K |
| Technology | 3LCD | DLP |
| Throw Ratio Min | 1.32 | 0.5 |
| Throw Ratio Max | 2.15 | 0.5 |
| Lens Shift V | 60% | — |
| Lens Shift H | 24% | — |
| ANSI Lumens | 3000 | 3600 |
| CLO Lumens | 3000 | — |
| Contrast Ratio | 100000:1 | 1000000:1 |
| HDR Support | HDR10, HLG | HDR10, HLG |
| Input Lag | 20.6ms | 4.2ms |
| Lamp Life | 3500hrs | 4000hrs |
| Light Source | lamp | lamp |
| Lens Quality | — | — |
| Tone Mapping | — | — |
| Ultra Short Throw | No | No |
| Chip Size | 0.61" | 0.65" |
| Color Depth | 10bit | 10bit |
| Zoom Ratio | 1.62 | — |
| Zoom Type | Manual | Fixed |
| Focus Type | Manual | Manual |
| Noise (Normal) | 35dB | 28dB |
| Noise (Eco) | 24dB | 24dB |
| Power Draw | 406W | 320W |
| HDMI Inputs | 2 | 2 |
| HDMI Version | 2.0 | 2.0 |
| 3D Support | Yes | No |
| Built-in Speaker | Yes | Yes |
| Speaker Power | 20W | 10W |
| Wi-Fi | No | No |
| Bluetooth | No | No |
| Streaming Apps | No | No |
| Lens Memory | No | No |
| 12V Trigger | Yes | Yes |
| Ethernet | No | Yes |
| Frame Interpolation | No | No |
| Native Aspect | 16:9 | 16:9 |
Key Differences
- Contrast Ratio: Epson Home Cinema 3800 at 100000:1 vs Optoma UHD35STx at 1000000:1
- Input Lag: Epson Home Cinema 3800 at 20.6ms vs Optoma UHD35STx at 4.2ms. Sub-20ms is excellent for gaming. Above 40ms feels sluggish. Only matters for interactive content — film and TV don't benefit from low input lag.
- Throw Ratio Max: Epson Home Cinema 3800 at 2.15 vs Optoma UHD35STx at 0.5
- Technology: Epson Home Cinema 3800 at 3LCD vs Optoma UHD35STx at DLP
- Throw Ratio Min: Epson Home Cinema 3800 at 1.32 vs Optoma UHD35STx at 0.5
Which Should You Choose?
Choose Optoma UHD35STx if you want:
- + better throw ratio min
- + better ansi lumens — more lumens means a brighter image, critical if you can't fully darken your room
- + better contrast ratio
- + better input lag — sub-20ms is excellent for gaming
Specifications sourced from manufacturer datasheets and verified against retailer listings. Prices updated hourly from authorized retailers. Scoring uses our open methodology — products are never ranked, promoted, or suppressed based on affiliate commission rates.
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