Optoma EH412ST vs Philips ProPix 850
 $930 | '%3e%3cg%20id='g2851'%20transform='matrix(1.25%200%200%20-1.25%20-154.36%20849.47)'%3e%3cg%20id='g2853'%20clip-path='url(%23clipPath2855)'%3e%3cpath%20id='path2859'%20d='m360.92%20371.16h-21.48v-27.97h-22.36v27.97h-21.48v-70.37h21.48v27.68h22.36v-27.68h21.48v70.37zm74.72-56.23v56.23h-21.48v-70.37h38.84l3.23%2014.14h-20.59zm-37.36%2056.23h-21.48v-70.37h21.48v70.37zm87.08%200h-21.47v-70.37h21.47v70.37zm105.9-17.96c0%203.83%203.83%205.6%2010%205.6%206.77%200%2014.13-1.48%2019.13-3.55l-1.76%2015.32c-5.6%201.18-10.6%202.06-19.71%202.06-17.36%200-29.13-6.85-29.13-21.2%200-24.73%2033.55-19.73%2033.55-31.21%200-4.41-3.25-6.76-11.19-6.76-7.05%200-17.95%202.35-24.42%205.59l2.36-16.2c6.47-2.36%2015.29-3.53%2022.36-3.53%2017.94%200%2032.65%205.89%2032.65%2023.56%200%2023.54-33.84%2019.13-33.84%2030.32m-60.59-35.63c19.99%200%2032.65%2010.31%2032.65%2028.27%200%2019.72-13.53%2026.79-35.6%2026.79-8.53%200-18.83-0.59-26.18-1.47v-70.37h21.48v16.78h7.65zm11.47%2027.97c0-9.12-4.41-15.31-15.6-15.31h-3.52v29.08c1.25%200.07%202.42%200.07%203.52%200.07%2010.59%200%2015.6-5%2015.6-13.84m-287.72-27.97c20%200%2032.65%2010.31%2032.65%2028.27%200%2019.72-13.53%2026.79-35.59%2026.79-8.54%200-18.83-0.59-26.19-1.47v-70.37h21.48v16.78h7.65zm11.48%2027.97c0-9.12-4.42-15.31-15.6-15.31h-3.53v29.08c1.25%200.07%202.43%200.07%203.53%200.07%2010.59%200%2015.6-5%2015.6-13.84'%20fill='%230B5ED7'/%3e%3c/g%3e%3c/g%3e%3c/g%3e%3c/svg%3e) MSRP $699 | |
|---|---|---|
| Key differences | ||
| Native contrast (on/off) | — | 1,600:1 |
| Throw ratio | 0.5:1 | 1.49–1.64:1 |
| Lowest input lag | 8.4 msDerived | — |
| HDR formats | HDR10 | — |
| Fan noise | Max 28 dB(A) · Normal 26 dB(A) | — |
| Price | $930 | MSRP $699 |
| Room fit | ||
| Distance to screen | 1.1 m | 3.3–3.6 m |
| Brightness | ||
| Rated brightness | 4,000 lmDerived | 4,000 lmDerived |
| White light outputANSI | 4,000 lm ANSI | 4,000 lm ANSI |
| Brightness uniformity | 70% | — |
| Display system | ||
| Imaging technology | DLP | DLP |
| Chip / panel diagonal | 0.65 in | 0.65 in |
| On-screen resolution | 1080p (1920 × 1080)Derived | 1080p (1920 × 1080)Derived |
| Native resolution | 1080p (1920 × 1080) | 1080p (1920 × 1080) |
| Native aspect | 16:9Derived | 16:9Derived |
| Colour wheel segments | 6 | — |
| Contrast | ||
| Native contrast (on/off) | — | 1,600:1 |
| Dynamic contrast | 50,000:1 | — |
| Colour | ||
| Colour bit depth (per channel) | 10 bit | — |
| HDR | ||
| HDR formats | HDR10 | — |
| Calibration | ||
| Colour management (CMS) | 6-axis | — |
| Picture certifications | ISF | — |
| 3D | ||
| 3D | Yes | Yes |
| 3D formats | Frame packing, Side-by-side, Top-bottom | — |
| 3D glasses sync | DLP-Link | — |
| Light source | ||
| Light source | Lamp | Lamp |
| Lamp power | 240 W | 200 W |
| Replacement lamp | — | PPA3001 |
| Light-source life | 4,000 h max · 10,000 h eco · 15,000 h super eco · 12,000 h dynamic | 6,000 h normal · 10,000 h eco |
| Optics | ||
| Throw ratio | 0.5:1 | 1.49–1.64:1 |
| Image size | 36–308 in | 70–150 in |
| Projection offset | 116% | — |
| Zoom | Digital | Digital |
| Focal length | 7.42 mm | — |
| Aperture (f-number) | 2.8 | — |
| Focus | Manual | Manual |
| Autofocus | No | No |
| Vertical keystone | 40° | 40° |
| Interchangeable lens | No | — |
| Motion & gaming | ||
| Max input refresh | 1080p: 120 Hz | — |
| Max refresh at 1080p | 120 HzDerived | — |
| Input lag | 1080p: 60 Hz 16 ms · 120 Hz 8.4 ms | — |
| Lowest input lag | 8.4 msDerived | — |
| Inputs & control | ||
| HDMI inputs | HDMI 2.0 (HDCP 2.2) · HDMI 1.4 (HDCP 2.2) | 2 × HDMI |
| HDMI inputs (count) | 2Derived | 2Derived |
| Newest HDMI version | HDMI 2.0Derived | — |
| Other video inputs | VGA | — |
| Max input resolution | 4K UHD | — |
| Audio inputs | 3.5 mm | — |
| Control ports | RS-232 | RS-232 |
| Horizontal scan | 15.38–91.15 kHz | — |
| Vertical scan | 50–85 Hz | — |
| Smart platform | ||
| Smart platform | — | None |
| Audio | ||
| Speaker power | 10 W | 2 W |
| Speakers | 1 | — |
| Audio outputs | 3.5 mm | 3.5 mm |
| HDMI audio return | NoneDerived | NoneDerived |
| Physical & installation | ||
| Dimensions (W × D × H) | 316 × 244 × 115 mm | 302 × 218 × 99 mm |
| Weight | 3,000 g | 2,500 g |
| Colours | White | — |
| Orientations | Table, Ceiling, Rear | — |
| Tripod socket | — | Yes |
| Environment & power | ||
| Operating temperature | 5–40°C | 0–40°C |
| Operating humidity | 10–85%RH | — |
| Altitude | 3,000 m · high-altitude mode | High-altitude mode |
| Power draw | Max 285 W · Normal 230 W · Eco 190 W | 260 W |
| Standby | 0.5 W | 0.5 W |
| Mains input | 100–240 V · 50/60 Hz | 100–240 V |
| Noise | ||
| Fan noise | Max 28 dB(A) · Normal 26 dB(A) | — |
| Safety & compliance | ||
| Risk group | RG2 | — |
| Marks | FCC | — |
| Support & ownership | ||
| Warranty | 2 yr (light source 3 mo) | — |
| User manual | https://www.optomausa.com/ContentStorage/Documents/2aef4a4a-ad89-4d77-8b8a-d395179d3957.pdf | https://www.documents.philips.com/assets/20250907/9a1da8258e69466da511b35101160835.pdf |
| In the box | ||
| In the box | Power cord, Remote, Remote batteries, Quick start guide | Power cord, Remote, Remote batteries, Quick start guide, + Warranty card |
| Remote | IR | IR |