Optoma ZK507-W vs ViewSonic LS750WU
 MSRP $5,499 |  MSRP $2,565 | |
|---|---|---|
| Key differences | ||
| Native resolution | 2.7K (2716 × 1528) | WUXGA (1920 × 1200) |
| Throw ratio | 1.39–2.22:1 | 1.13–1.47:1 |
| HDR formats | HDR10, HLG | — |
| Fan noise | Max 32 dB(A) · Normal 30 dB(A) | — |
| Price | MSRP $5,499 | MSRP $2,565 |
| Room fit | ||
| Distance to screen | 3.1–4.9 m | 2.4–3.2 m |
| Brightness | ||
| Rated brightness | 5,000 lmDerived | 5,000 lmDerived |
| White light outputANSI | 5,000 lm ANSI | 5,000 lm ANSI |
| Claimed brightness (non-standard) | 5,000 lm | — |
| Brightness uniformity | 70% | — |
| Display system | ||
| Imaging technology | DLP | DLP |
| Chip / panel diagonal | 0.66 in | — |
| On-screen resolution | 4K UHD (3840 × 2160)Derived | WUXGA (1920 × 1200)Derived |
| Native resolution | 2.7K (2716 × 1528) | WUXGA (1920 × 1200) |
| Native aspect | 16:9Derived | 16:10Derived |
| Pixel shift | XPR 2-way | — |
| Addressable resolution | 4K UHD (3840 × 2160) | — |
| Colour wheel segments | 4 | — |
| Contrast | ||
| Dynamic contrast | 300,000:1 | 3,000,000:1 |
| Dynamic contrast method | — | Light-source dimming |
| Colour | ||
| Colour bit depth (per channel) | — | 10 bit |
| HDR | ||
| HDR formats | HDR10, HLG | — |
| Calibration | ||
| Picture mode memories | — | 2 |
| 3D | ||
| 3D | Yes | Yes |
| 3D formats | + Frame packing, Side-by-side, Top-bottom | Side-by-side, Top-bottom, + Frame sequential |
| 3D glasses sync | DLP-Link | — |
| Light source | ||
| Light source | Laser (phosphor) | Laser (phosphor) |
| Emitter | — | Blue laser + phosphor |
| Light-source life | 20,000 h normal · 30,000 h eco | 20,000 h normal · 20,000 h dynamic |
| Light output control | Steps | — |
| Cool-down time | 90 s | — |
| Optics | ||
| Throw ratio | 1.39–2.22:1 | 1.13–1.47:1 |
| Image size | 26.45–302 in | 30–300 in |
| Projection offset | 100% | — |
| Zoom | Optical | Optical |
| Zoom ratio | 1.6×Derived | 1.3×Derived |
| Focal length | 20.91–32.62 mm | — |
| Aperture (f-number) | 2.5–3.26 | — |
| Focus | Manual | Manual |
| Vertical lens shift | 0–15% | None |
| Horizontal lens shift | None | None |
| Vertical keystone | — | 40° |
| Horizontal keystone | — | 40° |
| Corner correction | — | 4-corner |
| Interchangeable lens | No | No |
| Motion & gaming | ||
| Frame interpolation (MEMC) | Yes | — |
| Max input refresh | 4K UHD: 60 Hz | — |
| Max refresh at 4K | 60 HzDerived | — |
| Inputs & control | ||
| HDMI inputs | HDMI 2.0 (HDCP 2.2) · HDMI 1.4 | 2 × HDMI 1.4 (HDCP 1.4) |
| HDMI inputs (count) | 2Derived | 2Derived |
| Newest HDMI version | HDMI 2.0Derived | HDMI 1.4Derived |
| Other video inputs | VGA, + Component | VGA, + Composite |
| Max input resolution | DCI 4K | WUXGA |
| Audio inputs | 3.5 mm | 3.5 mm, + RCA |
| Control ports | RS-232, 12 V trigger | RS-232, 12 V trigger |
| PJLink | Class 1 | — |
| Control-system drivers | Crestron, AMX | + Control4, Crestron, AMX |
| Horizontal scan | 31–135 kHz | 15–102 kHz |
| Vertical scan | 24–120 Hz | 23–120 Hz |
| Smart platform | ||
| Ethernet | Yes | Yes |
| Audio | ||
| Speaker power | 10 W | 20 W |
| Speakers | 2 | 2 |
| Audio outputs | 3.5 mm, + Optical | 3.5 mm |
| HDMI audio return | NoneDerived | NoneDerived |
| Physical & installation | ||
| Dimensions (W × D × H) | 498 × 331 × 154 mm | 405 × 305 × 144 mm |
| Weight | 10,541 g | 5,900 g |
| Colours | White | — |
| Orientations | Table, Ceiling, Rear | Table, Ceiling, Rear, + 360° |
| Ceiling mount | M6, screws ≥ 10 mm | M4, 12.8–15.8 mm screws |
| Environment & power | ||
| Operating temperature | 5–40°C | 0–40°C |
| Operating humidity | 10–85%RH | 10–90%RH |
| Altitude | 3,000 m | 3,000 m · high-altitude mode |
| Power draw | Max 423 W | 460 W |
| Standby | Up to 0.5 W | Up to 0.5 W |
| Mains input | 100–240 V · 50/60 Hz | 100–240 V · 50/60 Hz |
| Noise | ||
| Fan noise | Max 32 dB(A) · Normal 30 dB(A) | — |
| Safety & compliance | ||
| Laser class | Class 1 | Class 1 |
| Risk group | RG2 | — |
| FDA laser notice | Notice 57 | — |
| Marks | FCC | FCC |
| Support & ownership | ||
| Warranty | 3 yr (light source 5 yr or 12,000 h) | 5 yr or 20,000 h |
| User manual | https://region-resource.optoma.com/products/import/Documents/4dcf6f0a-8c53-480d-8e23-173a8f35fd12.pdf | https://www.viewsonicglobal.com/public/products_download/user_guide/Projector/LS750WU_LS850WU_LS860WU/LS750WU_LS850WU_LS860WU_UG_ENG.pdf |
| In the box | ||
| In the box | Power cord, Remote, Remote batteries, Quick start guide | Power cord, Remote, Remote batteries, Quick start guide, + VGA cable |
| Remote | Backlit | IR |