Hisense C2 Ultra vs Optoma UHD55
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Choosing between the Hisense C2 Ultra and Optoma UHD55? Both compete in the Projector segment. Here’s how they compare across the specs that matter most for your home theater.
Pricing for both models is currently unavailable. Check the retailer links below for current deals.
Looking at overall performance dimensions: The Hisense C2 Ultra scores higher in video quality, form factor, room fit. The Optoma UHD55 leads in value, gaming performance. They score similarly in ease of use.
The Optoma UHD55 offers higher brightness at 3600 ANSI lumens vs 3000. 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.
These two Projector options trade wins across different dimensions. The right choice depends on which specs matter most for your room and listening preferences — review the detailed table below to decide.
For most home theaters, the Hisense C2 Ultra is the stronger choice — it leads in 3 of 6 scored dimensions. The Optoma UHD55 makes more sense if you prioritize the 2 dimensions where it leads.
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 | DLP | DLP |
| Throw Ratio Min | 0.9 | 1.21 |
| Throw Ratio Max | 1.5 | 1.59 |
| Lens Shift V | — | 10% |
| Lens Shift H | — | — |
| ANSI Lumens | 3000 | 3600 |
| CLO Lumens | — | — |
| Contrast Ratio | 2000000:1 | 1200000:1 |
| HDR Support | HDR10, Dolby Vision, HLG | HDR10, HLG |
| Input Lag | 50ms | 4ms |
| Lamp Life | 25000hrs | 4000hrs |
| Light Source | rgb_laser | lamp |
| Lens Quality | — | — |
| Tone Mapping | — | — |
| Ultra Short Throw | No | No |
| Chip Size | 0.47" | 0.47" |
| Color Depth | 10bit | 10bit |
| Zoom Ratio | 1.67 | 1.3 |
| Zoom Type | Manual | Manual |
| Focus Type | Motorized | Manual |
| Noise (Normal) | 36dB | 28dB |
| Noise (Eco) | — | 26dB |
| Power Draw | 180W | 330W |
| HDMI Inputs | 2 | 2 |
| HDMI Version | 2.1 | 2.0 |
| 3D Support | No | No |
| Built-in Speaker | Yes | Yes |
| Speaker Power | 20W | 10W |
| Wi-Fi | Yes | Yes |
| Bluetooth | No | No |
| Streaming Apps | Yes | Yes |
| Lens Memory | No | No |
| 12V Trigger | No | Yes |
| Ethernet | Yes | Yes |
| Frame Interpolation | No | Yes |
| Native Aspect | 16:9 | 16:9 |
Key Differences
- Input Lag: Hisense C2 Ultra at 50ms vs Optoma UHD55 at 4ms. 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.
- Lamp Life: Hisense C2 Ultra at 25000hrs vs Optoma UHD55 at 4000hrs
- Speaker Power: Hisense C2 Ultra at 20W vs Optoma UHD55 at 10W
- Power Draw: Hisense C2 Ultra at 180W vs Optoma UHD55 at 330W
- Contrast Ratio: Hisense C2 Ultra at 2000000:1 vs Optoma UHD55 at 1200000:1
Which Should You Choose?
Choose Hisense C2 Ultra if you want:
- + better throw ratio min
- + better contrast ratio
- + better lamp life
- + better power draw
Choose Optoma UHD55 if you want:
- + better ansi lumens — more lumens means a brighter image, critical if you can't fully darken your room
- + better input lag — sub-20ms is excellent for gaming
- + better noise (normal)
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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