Epson Lifestudio Grand vs Optoma GT4000UHD
 Epson Lifestudio Grand$2,299.99 |  Optoma GT4000UHD | |
|---|---|---|
| Key differences | ||
| White light output | 3,600 lm ISO (Dynamic mode) | 4,000 lm ANSI |
| Native resolution | 1080p (1920 × 1080) | — |
| Lowest input lag | — | 4.3 msDerived |
| Fan noise | Normal 36 dB(A) · Eco 23 dB(A) | Max 34 dB(A) · Eco 29 dB(A) |
| Price | $2,299.99 | — |
| Room fit | ||
| Distance to screen | 0.55 m | 0.55 m |
| Brightness | ||
| Rated brightness | 3,600 lmDerived | 4,000 lmDerived |
| White light output | 3,600 lm ISO (Dynamic mode) | 4,000 lm ANSI |
| Colour light output | 3,600 lm (Dynamic mode) | — |
| Claimed brightness (non-standard) | — | 4,000 lm |
| Brightness uniformity | — | 75% |
| Display system | ||
| Imaging technology | 3LCD | DLP |
| Chip / panel diagonal | 0.62 in | — |
| Panel alignment | Zone-by-zone | — |
| On-screen resolution | 4K UHD (3840 × 2160)Derived | 4K UHD (3840 × 2160)Derived |
| Native resolution | 1080p (1920 × 1080) | — |
| Native aspect | 16:9Derived | 16:9Derived |
| Pixel shift | 4K PRO-UHD | — |
| Addressable resolution | 4K UHD (3840 × 2160) | 4K UHD (3840 × 2160) |
| Contrast | ||
| Dynamic contrast | Over 5,000,000:1 | 700,000:1 |
| Colour | ||
| Colour bit depth (per channel) | 10 bit | — |
| HDR | ||
| HDR formats | HDR10, HLG | HDR10, HLG |
| Calibration | ||
| Colour management (CMS) | 6-axis | — |
| 3D | ||
| 3D | — | Yes |
| 3D formats | — | Frame packing, Side-by-side, Top-bottom |
| Light source | ||
| Light source | Laser (phosphor) | Laser (phosphor) |
| Light-source life | 20,000 h | 30,000 h eco |
| Life defined as | 50% brightness | — |
| Light output control | Steps | — |
| Optics | ||
| Throw ratio | 0.25:1 | 0.25:1 |
| Image size | 60–120 in | 100–150 in |
| Projection offset | — | 120% |
| Zoom | Digital | None |
| Focal length | 3.7 mm | — |
| Aperture (f-number) | 1.6 | — |
| 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 | — |
| Motion & gaming | ||
| Frame interpolation (MEMC) | Yes | — |
| Max input refresh | 1080p: 120 Hz · 4K UHD: 120 Hz | 1080p: 240 Hz · 4K UHD: 60 Hz |
| Max refresh at 1080p | 120 HzDerived | 240 HzDerived |
| Max refresh at 4K | 120 HzDerived | 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 | 2 × HDMI 2.0 (HDCP 2.3, 18 Gbps) · HDMI 2.0 (eARC, HDCP 2.3, 18 Gbps) | 2 × HDMI 2.0 |
| HDMI inputs (count) | 3Derived | 2Derived |
| Newest HDMI version | HDMI 2.0Derived | HDMI 2.0Derived |
| Other video inputs | — | HDBaseT |
| Max input resolution | DCI 4K | 4K UHD |
| USB media playback | Yes | — |
| Control ports | — | RS-232 |
| Horizontal scan | — | 15–150 kHz |
| Vertical scan | — | 24–240 Hz |
| Smart platform | ||
| Wi-Fi | Wi-Fi 6E | — |
| Bluetooth | 5.2 | — |
| Ethernet | — | Yes |
| Smart platform | Google TV | — |
| Netflix | Built in | — |
| Casting | Chromecast built-in | — |
| Audio | ||
| Speaker power | 20 W | 15 W |
| Speakers | 3 | 1 |
| Layout | 2.1 | — |
| Tuned by | Bose | — |
| Audio formats | Dolby Atmos | — |
| Audio outputs | 3.5 mm, + Optical, + HDMI eARC, + Bluetooth | 3.5 mm |
| HDMI audio return | eARCDerived | NoneDerived |
| Bluetooth speaker mode | Yes | — |
| Physical & installation | ||
| Dimensions (W × D × H) | 467 × 400 × 133 mm | 327 × 328 × 110 mm |
| Weight | 7,400 g | 4,500 g |
| Colours | Black, White | — |
| Orientations | + Table, + Rear, + Limited tilt | + 360° |
| Dust filter | Replaceable | — |
| Ingress protection | — | IP6X |
| Environment & power | ||
| Operating temperature | 5–35°C | 0–40°C |
| Operating humidity | 20–80%RH | — |
| Altitude | 3,048 m · high-altitude mode | 3,048 m |
| Power draw | Normal 278 W · Eco 186 W | Max 255 W · Eco 180 W |
| Standby | 0.5 W | 0.5 W |
| Networked standby | 2 W | — |
| Power supply | — | External adapter |
| Mains input | 100–240 V · 50/60 Hz | 100–240 V · 50/60 Hz |
| Noise | ||
| Fan noise | Normal 36 dB(A) · Eco 23 dB(A) | Max 34 dB(A) · Eco 29 dB(A) |
| Safety & compliance | ||
| Laser class | Class 1 | — |
| Risk group | RG2 | — |
| Eye-protection sensor | Yes | — |
| Marks | FCC, UL | — |
| Support & ownership | ||
| Warranty | 2 yr | 1 yr (light source 5 yr or 12,000 h) |
| User manual | https://download2.ebz.epson.net/sec_pubs_visual/eai/projectors/pdf/useg/EN/UsersGuide_EHLS670_EN_EAI.pdf | — |
| In the box | ||
| In the box | Power cord, Power adapter, Remote, Remote batteries | Power cord, Power adapter, Remote, Remote batteries, + Quick start guide |
| Remote | Bluetooth | IR |