Optoma 4K400x vs ViewSonic LS610WH
 $1,399 |  ViewSonic LS610WHMSRP $749 | |
|---|---|---|
| Key differences | ||
| White light output | — | 4,000 lm ANSI |
| Native resolution | 1080p (1920 × 1080) | WXGA (1280 × 800) |
| Throw ratio | 1.5–1.66:1 | 1.37–1.64:1 |
| Lowest input lag | 4.5 msDerived | — |
| HDR formats | HDR10, HLG | — |
| Light source | Lamp | LED |
| Fan noise | Max 28 dB(A) · Normal 26 dB(A) | Normal 32 dB(A) · Eco 27 dB(A) |
| Price | $1,399 | MSRP $749 |
| Room fit | ||
| Distance to screen | 3.3–3.7 m | 3.0–3.5 m |
| Brightness | ||
| Rated brightness | — | 4,000 lmDerived |
| White light output | — | 4,000 lm ANSI |
| Claimed brightness (non-standard) | 4,000 lm | 5,000 lm |
| Brightness uniformity | 80% | — |
| Display system | ||
| Imaging technology | DLP | DLP |
| Chip / panel diagonal | 0.47 in | 0.65 in |
| On-screen resolution | 4K UHD (3840 × 2160)Derived | WXGA (1280 × 800)Derived |
| Native resolution | 1080p (1920 × 1080) | WXGA (1280 × 800) |
| Native aspect | 16:9Derived | 16:10Derived |
| Addressable resolution | 4K UHD (3840 × 2160) | — |
| Contrast | ||
| Dynamic contrast | 1,000,000:1 | 3,000,000:1 |
| Dynamic contrast method | Light-source dimming | — |
| Colour | ||
| Colour bit depth (per channel) | — | 10 bit |
| Gamma / EOTF presets | 2.2, 2.4 | — |
| Colour temperature presets | D93, D65, D55, Native | — |
| HDR | ||
| HDR formats | HDR10, HLG | — |
| Tone mapping | Adjustable | — |
| Calibration | ||
| Colour management (CMS) | 6-axis | — |
| 3D | ||
| 3D | Yes | Yes |
| 3D formats | Frame packing | Frame packing, + Side-by-side, + Top-bottom, + Frame sequential |
| Light source | ||
| Light source | Lamp | LED |
| Emitter | — | 4-channel LED |
| Lamp power | 240 W | — |
| Light-source life | 4,000 h max · 10,000 h eco · 15,000 h dynamic | 60,000 h |
| Cool-down time | 90 s | — |
| Optics | ||
| Throw ratio | 1.5–1.66:1 | 1.37–1.64:1 |
| Image size | 33–300 in | 30–300 in |
| Projection offset | 105% | — |
| Zoom | Optical | Optical |
| Zoom ratio | 1.11×Derived | 1.2×Derived |
| Focal length | 15.84–17.42 mm | 19.16–23.02 mm |
| Aperture (f-number) | 1.98–2.02 | 1.6–1.75 |
| Focus | Manual | Manual |
| Autofocus | No | — |
| Vertical lens shift | — | None |
| Horizontal lens shift | — | None |
| Vertical keystone | 40° | 40° |
| Horizontal keystone | 40° | 40° |
| Corner correction | — | 4-corner |
| Grid warp | Yes | — |
| Motion & gaming | ||
| Max input refresh | 1080p: 240 Hz | — |
| Max refresh at 1080p | 240 HzDerived | — |
| Input lag | 1080p: 60 Hz 16.7 ms · 120 Hz 8.9 ms · 240 Hz 4.5 ms · 4K UHD: 60 Hz 16.7 ms | — |
| Lowest input lag | 4.5 msDerived | — |
| Input lag at 4K 60 Hz | 16.7 msDerived | — |
| Inputs & control | ||
| HDMI inputs | 2 × HDMI 2.0 (HDCP 2.2) | 2 × HDMI 1.4 (HDCP 1.4) |
| HDMI inputs (count) | 2Derived | 2Derived |
| Newest HDMI version | HDMI 2.0Derived | HDMI 1.4Derived |
| Max input resolution | DCI 4K | 1080p |
| Audio inputs | — | 3.5 mm |
| Control ports | RS-232, + 12 V trigger | RS-232 |
| Control-system drivers | — | Crestron, AMX |
| Horizontal scan | 31–135 kHz | 15–102 kHz |
| Vertical scan | 24–120 Hz | 23–120 Hz |
| Smart platform | ||
| Ethernet | — | Yes |
| Audio | ||
| Speaker power | 10 W | 10 W |
| Speakers | 1 | 1 |
| Audio outputs | 3.5 mm | 3.5 mm |
| HDMI audio return | NoneDerived | NoneDerived |
| Physical & installation | ||
| Dimensions (W × D × H) | 315 × 270 × 115 mm | 386 × 276 × 116 mm |
| Weight | 4,200 g | 5,000 g |
| Orientations | Table, Ceiling, Rear | Table, Ceiling, Rear |
| Ceiling mount | — | M4, 12.8–15.8 mm screws |
| Dust filter | — | None |
| Ingress protection | — | IP5X (light engine) |
| Sealed optical engine | — | Yes |
| Environment & power | ||
| Operating temperature | 5–40°C | 0–40°C |
| Operating humidity | 10–85%RH | 10–90%RH |
| Altitude | 3,000 m · high-altitude mode | 3,000 m · high-altitude mode |
| Power draw | Max 305 W · Eco 220 W | 310 W |
| Standby | 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 28 dB(A) · Normal 26 dB(A) | Normal 32 dB(A) · Eco 27 dB(A) |
| Safety & compliance | ||
| Risk group | RG2 | RG2 |
| Marks | + FCC | + CE |
| Support & ownership | ||
| Warranty | — | 3 yr (light source 1 yr) |
| User manual | https://region-resource.optoma.com/products/import/Documents/13cdc4ab-4017-4930-a4fd-d023d407c4fe.pdf | https://www.viewsonicglobal.com/public/products_download/user_guide/projector/LS610WH_LS610HDH/LS610WH_LS610HDH_UG_ENG.pdf |
| In the box | ||
| In the box | Power cord, Remote, + Remote batteries, + User manual | Power cord, Remote, + Quick start guide |
| Remote | Backlit | IR |