LG PU615U vs Optoma HZ40HDR
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Choosing between the LG PU615U and Optoma HZ40HDR? Both compete in the Projector segment. Here’s how they compare across the specs that matter most for your home theater.
Looking at overall performance dimensions: The LG PU615U scores higher in form factor, room fit. The Optoma HZ40HDR leads in value, video quality, gaming performance. They score similarly in ease of use.
The Optoma HZ40HDR offers higher brightness at 4000 ANSI lumens vs 500. 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 Optoma HZ40HDR is the stronger choice — it leads in 3 of 6 scored dimensions. The LG PU615U makes more sense if you prioritize the 2 dimensions where it leads.
Performance Overview
Scores based on specs and category benchmarks (0–100 scale)
LG CineBeam S 4K UHD Smart Triple Laser UST Projector PU615U
Optoma HZ40HDR
Detailed Specifications
| Specification | ||
|---|---|---|
| Price | $999.99 | N/A |
| Native Resolution | 3840x2160 | 1080p |
| Technology | DLP | DLP |
| Throw Ratio Min | 0.25 | 1.48 |
| Throw Ratio Max | 0.25 | 1.62 |
| Lens Shift V | — | 16% |
| Lens Shift H | — | — |
| ANSI Lumens | 500 | 4000 |
| CLO Lumens | — | — |
| Contrast Ratio | 450000:1 | 300000:1 |
| HDR Support | HDR10, HLG | |
| Input Lag | — | 8.6ms |
| Lamp Life | — | 30000hrs |
| Light Source | laser | laser |
| Lens Quality | — | — |
| Tone Mapping | — | — |
| Ultra Short Throw | Yes | No |
| Chip Size | — | 0.65" |
| Color Depth | — | 10bit |
| Zoom Ratio | — | 1.1 |
| Zoom Type | — | manual |
| Focus Type | — | Manual |
| Noise (Normal) | — | 34dB |
| Noise (Eco) | — | 27dB |
| Power Draw | — | 139W |
| HDMI Inputs | 1 | 2 |
| HDMI Version | — | 2.0 |
| 3D Support | No | Yes |
| Built-in Speaker | No | Yes |
| Speaker Power | — | 15W |
| Wi-Fi | No | No |
| Bluetooth | No | No |
| Streaming Apps | No | No |
| Lens Memory | No | No |
| 12V Trigger | No | No |
| Ethernet | No | No |
| Frame Interpolation | No | No |
| Native Aspect | — | 16:9 |
Key Differences
- Native Resolution: LG PU615U at 3840x2160 vs Optoma HZ40HDR at 1080p
- ANSI Lumens: LG PU615U at 500 vs Optoma HZ40HDR at 4000. 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.
- Throw Ratio Max: LG PU615U at 0.25 vs Optoma HZ40HDR at 1.62
- Throw Ratio Min: LG PU615U at 0.25 vs Optoma HZ40HDR at 1.48
- HDMI Inputs: LG PU615U at 1 vs Optoma HZ40HDR at 2
Which Should You Choose?
Choose LG PU615U if you want:
- + better throw ratio min
- + better contrast ratio
Choose Optoma HZ40HDR if you want:
- + better ansi lumens — more lumens means a brighter image, critical if you can't fully darken your room
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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