BenQ TH575i vs Optoma HD39HDR
Bold marks the better figure where both are stated to the same standard. “—” means the manufacturer doesn't state it.
 BenQ TH575iMSRP $649 | Optoma HD39HDR | |
|---|---|---|
| Display system | ||
| Imaging technology | DLP | DLP |
| Technology brand | — | DLP |
| Number of imaging devices | 1 | 1 |
| Chip / panel diagonal | — | 0.65 in |
| Native aspect ratio | 16:9 | 16:9 |
| Native resolution | 1920 × 1080 | 1920 × 1080 |
| Pixel shift | — | None |
| Addressable resolution | — | 1920 × 1080 |
| Colour wheel segments | — | RYGCWB |
| Optics | ||
| Throw ratio | 1.49–1.64:1 | 1.12–1.47:1 |
| Projection distance table | 30″: 0.99–1.09 m · 40″: 1.32–1.45 m · 50″: 1.65–1.82 m · 60″: 1.98–2.18 m · 80″: 2.64–2.91 m · 100″: 3.3–3.63 m · 120″: 3.96–4.36 m · 150″: 4.95–5.45 m · 200″: 6.6–7.26 m · 250″: 8.25–9.08 m · 300″: 9.9–10.89 m | 30″: 0.75–0.97 m · 40″: 1–1.3 m · 50″: 1.24–1.62 m · 60″: 1.49–1.95 m · 70″: 1.74–2.27 m · 80″: 1.99–2.6 m · 90″: 2.24–2.92 m · 100″: 2.49–3.25 m · 120″: 2.99–3.9 m · 150″: 3.73–4.87 m · 200″: 4.98–6.5 m · 250″: 6.22–8.12 m · 300″: 7.46–9.74 m |
| Zoom type | Optical | Optical |
| Zoom ratio | 1.1× | 1.3× |
| Focus | Manual | Manual |
| Vertical lens shift | — | 0% |
| Horizontal lens shift | — | 0% |
| Fixed offset | 108% | 116% |
| Focal length | 22–24.1 mm | 16.9–21.6 mm |
| F-number | 2.56–2.68 | 2.43–2.78 |
| Image size range | 30–300 in | 30.8–301 in |
| Vertical keystone | -40–40° | -40–40° |
| Light source | ||
| Light source type | Lamp | Lamp |
| Light source detail | — | 245 W lamp |
| Lamp wattage | 203 W | 245 W |
| Light source life | Normal: 6,000 h · Smarteco: 10,000 h · Lampsave: 15,000 h · Eco: 10,000 h | Bright: 4,000 h · Dynamic: 12,000 h · Eco: 10,000 h · Eco plus: 15,000 h |
| Warm-up time | 30 s | — |
| Cool-down time | 90 s | 90 s |
| Brightness | ||
| ANSI lumens | 3,800 lm | 4,000 lm |
| Brightness uniformity (centre-to-corner) | — | 70% |
| Contrast & black level | ||
| Dynamic contrast | 15,000:1 | 50,000:1 |
| Colour | ||
| Rec.709 gamut | 88% | — |
| Gamut metric | Coverage | — |
| Colour temperature presets | Native | — |
| Gamma / EOTF presets | 2.2, 2.4, 2.6 | 2.2, 2.4 |
| Bit depth / 'number of colours' | 30 bit | 10 bit |
| Calibration & picture control | ||
| Colour management system | 6-axis | — |
| Picture mode memories | 2 | — |
| HDR | ||
| HDR formats | — | HDR10 |
| Max HDR input | — | 4K UHD |
| Motion & gaming | ||
| Max refresh rate | — | 1920×1080: 120 Hz |
| Input lag (rated) | 1920×1080 @ 60 Hz: 16.7 ms | 1920×1080 @ 60 Hz: 16 ms · 1920×1080 @ 120 Hz: 8.4 ms |
| Audio | ||
| Speaker power | 10 W | 10 W |
| Speaker count | 1 | 1 |
| Audio channels | Mono | Mono |
| Audio outputs | 3.5 mm | 3.5 mm |
| Inputs, control & connectivity | ||
| Max input signal | 1920 × 1200 | 3840 × 2160 |
| HDMI port count | 1 | 2 |
| HDMI ports (feature-level) | HDMI-1: HDMI 1.4a, HDCP 1.4 | HDMI 1: HDMI 2.0, HDCP 2.2 (4K60, HDR); HDMI 2: HDMI 1.4, HDCP 2.2 (MHL, 4K30) |
| Audio input terminals | — | 3.5 mm |
| Horizontal scan frequency | 15–102 kHz | 15.38–91.15 kHz |
| Vertical scan frequency | 24–120 Hz | 50–85 Hz |
| VGA input | — | Yes |
| RS-232 | Yes | Yes |
| Firmware / software | ||
| Smart OS | Google TV | — |
| Netflix | Via dongle | — |
| 3D | ||
| 3D support | Yes | Yes |
| 3D formats | Top-bottom, Frame sequential, Frame packing, Side-by-side | Side-by-side, Top-bottom, Frame sequential, Frame packing |
| Glasses included | — | 0 |
| Setup automation | ||
| Auto keystone | Yes | — |
| Acoustic noise | ||
| Fan noise (sound pressure) | Typical: 34 dB(A) · Eco: 29 dB(A) | Min: 26 dB(A) · Max: 28 dB(A) |
| Environment & power | ||
| Operating temperature | 0–40°C | 5–40°C |
| Operating humidity | 10–90%RH | 10–85%RH |
| Altitude / high-altitude mode | 3,000 m | 3,000 m |
| High-altitude mode | Yes | Yes |
| Operating orientations | Table, Ceiling, Rear | Table, Ceiling, Rear |
| Rated voltage | 100–240 V | 100–240 V |
| Rated frequency | 50–60 Hz | 50–60 Hz |
| Power consumption (max) | 295 W | 285 W |
| Power consumption by mode | Typical 110v: 295 W | Min: 200 W · Max: 285 W |
| Standby power | 0.5 W | 0.5 W |
| Physical & installation | ||
| Width | 296 mm | 316 mm |
| Depth | 237 mm | 244 mm |
| Height | 120 mm | 108 mm |
| Weight | 2.3 kg | 2.91 kg |
| Mount hole pattern | Thread: M4 · Depth mm: 8 | — |
| Safety & compliance | ||
| Photobiological risk group | RG2 | RG2 |
| Safety & market certifications | — | FCC |
| Support & ownership | ||
| Warranty | 🇺🇸 US 3 yr | 🇺🇸 US 1 yr |
| Light-source warranty | Pre-installed lamps on new units: 2,000 hours or one year from purchase, whichever comes first (US). | 90 days |
| User manual | https://www.benq.com/en-us/support/downloads-faq/products/projector/th575i/manual.html | https://region-resource.optoma.com/products/import/Documents/231c3020-f4c0-4345-b927-33892259f5a7.pdf |
| In the box | ||
| Box contents | Remote, Batteries, Power cord, Quick start guide, Warranty card, Streaming dongle | Projector, Power cord, Remote, Batteries, Quick start guide |
| 3D glasses in box | — | 0 |