LG CineBeam HU915QE vs Optoma GT4000UHD
 LG CineBeam HU915QE$4,589.96 |  Optoma GT4000UHD | |
|---|---|---|
| Key differences | ||
| White light outputANSI | 3,700 lm ANSI | 4,000 lm ANSI |
| Throw ratio | 0.19:1 | 0.25:1 |
| Lowest input lag | — | 4.3 msDerived |
| Fan noise | Max 30 dB(A) · Normal 28 dB(A) · Eco 26 dB(A) | Max 34 dB(A) · Eco 29 dB(A) |
| Price | $4,589.96 | — |
| Room fit | ||
| Distance to screen | 0.42 m | 0.55 m |
| Brightness | ||
| Rated brightness | 3,700 lmDerived | 4,000 lmDerived |
| White light outputANSI | 3,700 lm ANSI | 4,000 lm ANSI |
| Claimed brightness (non-standard) | — | 4,000 lm |
| Brightness uniformity | 85% | 75% |
| Display system | ||
| Imaging technology | DLP | DLP |
| Chip / panel diagonal | 0.66 in | — |
| On-screen resolution | 4K UHD (3840 × 2160)Derived | 4K UHD (3840 × 2160)Derived |
| Native aspect | 16:9Derived | 16:9Derived |
| Pixel shift | Yes (scheme not stated) | — |
| Addressable resolution | 4K UHD (3840 × 2160) | 4K UHD (3840 × 2160) |
| Contrast | ||
| Dynamic contrast | 2,000,000:1 | 700,000:1 |
| HDR | ||
| HDR formats | HDR10, HLG | HDR10, HLG |
| Tone mapping | Dynamic | — |
| Calibration | ||
| Picture certifications | Filmmaker Mode | — |
| 3D | ||
| 3D | — | Yes |
| 3D formats | — | Frame packing, Side-by-side, Top-bottom |
| Light source | ||
| Light source | Laser (phosphor) | Laser (phosphor) |
| Emitter | Blue + red laser | — |
| Light-source life | Up to 20,000 h | 30,000 h eco |
| Light output control | Steps | — |
| Optics | ||
| Throw ratio | 0.19:1 | 0.25:1 |
| Image size | 90–120 in | 100–150 in |
| Projection offset | 120% | 120% |
| Zoom | None | None |
| Focus | Manual | — |
| Autofocus | No | — |
| Vertical lens shift | — | None |
| Horizontal lens shift | — | None |
| Vertical keystone | — | 5° |
| Horizontal keystone | — | 5° |
| Corner correction | — | 4-corner |
| Grid warp | Yes | — |
| Auto setup | Fit to screen | — |
| Motion & gaming | ||
| Frame interpolation (MEMC) | Yes | — |
| Max input refresh | — | 1080p: 240 Hz · 4K UHD: 60 Hz |
| Max refresh at 1080p | — | 240 HzDerived |
| Max refresh at 4K | — | 60 HzDerived |
| Input lag | — | 1080p: 60 Hz 17 ms · 120 Hz 8.6 ms · 240 Hz 4.3 ms · 4K UHD: 60 Hz 16.9 ms |
| Lowest input lag | — | 4.3 msDerived |
| Input lag at 4K 60 Hz | — | 16.9 msDerived |
| Gaming features | ALLM | — |
| Inputs & control | ||
| HDMI inputs | HDMI 2.1 · 2 × HDMI 2.0 | 2 × HDMI 2.0 |
| HDMI inputs (count) | 3Derived | 2Derived |
| Newest HDMI version | HDMI 2.1Derived | HDMI 2.0Derived |
| Other video inputs | — | HDBaseT |
| Max input resolution | DCI 4K | 4K UHD |
| USB media playback | Yes | — |
| Control ports | — | RS-232 |
| Control-system drivers | Control4, Crestron, Savant, URC | — |
| Horizontal scan | — | 15–150 kHz |
| Vertical scan | — | 24–240 Hz |
| Smart platform | ||
| Ethernet | Yes | Yes |
| Smart platform | webOS | — |
| Netflix | Built in | — |
| Casting | AirPlay 2 | — |
| Audio | ||
| Speaker power | 40 W | 15 W |
| Speakers | — | 1 |
| Layout | 2.2 | — |
| Audio formats | Dolby Atmos | — |
| Audio outputs | + Optical, + HDMI eARC, + Bluetooth | + 3.5 mm |
| HDMI audio return | eARCDerived | NoneDerived |
| Bluetooth speaker mode | Yes | — |
| Physical & installation | ||
| Dimensions (W × D × H) | 680 × 347 × 139 mm | 327 × 328 × 110 mm |
| Weight | 13,100 g | 4,500 g |
| Orientations | — | 360° |
| Ingress protection | — | IP6X |
| Environment & power | ||
| Operating temperature | 0–40°C | 0–40°C |
| Operating humidity | 0–80%RH | — |
| Altitude | High-altitude mode | 3,048 m |
| Power draw | Max 350 W | Max 255 W · Eco 180 W |
| Standby | Up to 0.5 W | 0.5 W |
| Power supply | Built in | External adapter |
| Mains input | 100–240 V · 50/60 Hz | 100–240 V · 50/60 Hz |
| Noise | ||
| Fan noise | Max 30 dB(A) · Normal 28 dB(A) · Eco 26 dB(A) | Max 34 dB(A) · Eco 29 dB(A) |
| Safety & compliance | ||
| Laser class | Class 1 | — |
| Risk group | RG2 | — |
| Marks | CE, FCC, ETL, KC, PSE | — |
| Support & ownership | ||
| Warranty | 🇺🇸 US 1 yr · 🇨🇦 CA 1 yr | 1 yr (light source 5 yr or 12,000 h) |
| User manual | https://gscs-b2c.lge.com/open/downloadFile?fileId=8VYrJySafjOFUDLh2TfPA | — |
| In the box | ||
| In the box | — | Power cord, Power adapter, Remote, Remote batteries, Quick start guide |
| Remote | Backlit | IR |