BenQ GV31 vs Optoma HZ40HDR
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Choosing between the BenQ GV31 and Optoma HZ40HDR? 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 BenQ GV31 scores higher in value, form factor, room fit. The Optoma HZ40HDR leads in video quality, gaming performance. They score similarly in ease of use.
The Optoma HZ40HDR offers higher brightness at 4000 ANSI lumens vs 300. 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 BenQ GV31 is the stronger choice — it leads in 3 of 6 scored dimensions. The Optoma HZ40HDR makes more sense if you prioritize the 2 dimensions where it leads.
Performance Overview
Scores based on specs and category benchmarks (0–100 scale)
BenQ GV31
Optoma HZ40HDR
Detailed Specifications
| Specification | ||
|---|---|---|
| Price | N/A | N/A |
| Native Resolution | 1080p | 1080p |
| Technology | DLP | DLP |
| Throw Ratio Min | 1.2 | 1.48 |
| Throw Ratio Max | 1.2 | 1.62 |
| Lens Shift V | — | 16% |
| Lens Shift H | — | — |
| ANSI Lumens | 300 | 4000 |
| CLO Lumens | — | — |
| Contrast Ratio | 100000:1 | 300000:1 |
| HDR Support | HDR10, HLG | |
| Input Lag | 45ms | 8.6ms |
| Lamp Life | 30000hrs | 30000hrs |
| Light Source | LED | laser |
| Lens Quality | — | — |
| Tone Mapping | — | — |
| Ultra Short Throw | No | No |
| Chip Size | — | 0.65" |
| Color Depth | 24bit | 10bit |
| Zoom Ratio | 1 | 1.1 |
| Zoom Type | fixed | manual |
| Focus Type | — | Manual |
| Noise (Normal) | 28dB | 34dB |
| Noise (Eco) | 26dB | 27dB |
| Power Draw | 45W | 139W |
| HDMI Inputs | 2 | 2 |
| HDMI Version | 1.4 | 2.0 |
| 3D Support | No | Yes |
| Built-in Speaker | Yes | Yes |
| Speaker Power | 4W | 15W |
| Wi-Fi | Yes | No |
| Bluetooth | Yes | No |
| Streaming Apps | Yes | No |
| Lens Memory | No | No |
| 12V Trigger | No | No |
| Ethernet | No | No |
| Frame Interpolation | No | No |
| Native Aspect | — | 16:9 |
Key Differences
- ANSI Lumens: BenQ GV31 at 300 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.
- Input Lag: BenQ GV31 at 45ms vs Optoma HZ40HDR at 8.6ms. 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.
- Speaker Power: BenQ GV31 at 4W vs Optoma HZ40HDR at 15W
- Power Draw: BenQ GV31 at 45W vs Optoma HZ40HDR at 139W
- Contrast Ratio: BenQ GV31 at 100000:1 vs Optoma HZ40HDR at 300000:1
Which Should You Choose?
Choose BenQ GV31 if you want:
- + better throw ratio min
- + better noise (normal)
- + better noise (eco)
- + better power draw
Choose Optoma HZ40HDR if you want:
- + 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
See Where These Rank
Check our editorial rankings to see how BenQ GV31 and Optoma HZ40HDR compare to the rest of the field.
Best Projector RankingsRelated Calculators
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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