Epson PowerLite L790SE vs Optoma ZK708T
 Epson PowerLite L790SEMSRP $6,349 |  MSRP $7,499 | |
|---|---|---|
| Key differences | ||
| White light output | 7,000 lm ISO | — |
| Native resolution | WUXGA (1920 × 1200) | — |
| Throw ratio | 0.79–1.36:1 | 1.2–1.92:1 |
| Lowest input lag | — | 16.9 msDerived |
| HDR formats | — | HDR10, HLG |
| Fan noise | Normal 36 dB(A) · Eco 26 dB(A) | Max 36 dB(A) · Eco 33 dB(A) |
| Price | MSRP $6,349 | MSRP $7,499 |
| Room fit | ||
| Distance to screen | 1.7–2.9 m | 2.7–4.3 m |
| Brightness | ||
| Rated brightness | 7,000 lmDerived | — |
| White light output | 7,000 lm ISO | — |
| Colour light output | 7,000 lm | — |
| Claimed brightness (non-standard) | — | 7,000 lm |
| Brightness uniformity | 88% | 85% |
| Display system | ||
| Imaging technology | 3LCD | DLP |
| Chip / panel diagonal | 0.67 in | — |
| On-screen resolution | WUXGA (1920 × 1200)Derived | 4K UHD (3840 × 2160)Derived |
| Native resolution | WUXGA (1920 × 1200) | — |
| Native aspect | 16:10Derived | 16:9Derived |
| Pixel shift | Yes (scheme not stated) | — |
| Addressable resolution | — | 4K UHD (3840 × 2160) |
| Contrast | ||
| Dynamic contrast | Up to 5,000,000:1 | 300,000:1 |
| HDR | ||
| HDR formats | — | HDR10, HLG |
| 3D | ||
| 3D | — | Yes |
| Light source | ||
| Light source | Laser (phosphor) | Laser (phosphor) |
| Emitter | — | Blue laser + phosphor |
| Light-source life | 20,000 h normal · 30,000 h eco | Up to 30,000 h |
| Life defined as | 50% brightness | — |
| Light output control | Continuous | — |
| Optics | ||
| Throw ratio | 0.79–1.36:1 | 1.2–1.92:1 |
| Image size | 60–400 in | 31.5–302 in |
| Projection offset | — | 106% |
| Zoom | Optical | Optical |
| Zoom ratio | 1.72×Derived | 1.6×Derived |
| Focal length | 11.6–19.9 mm | 17.63–27.9 mm |
| Aperture (f-number) | 1.7–2.1 | 2.3–3 |
| Focus | Manual | — |
| Vertical lens shift | ±50% | -106–126% |
| Horizontal lens shift | ±20% | ±10% |
| Motorised lens shift | No | No |
| Vertical keystone | 30° | 30° |
| Horizontal keystone | 30° | 30° |
| Auto keystone | — | Yes |
| Corner correction | — | 4-corner |
| Motion & gaming | ||
| Input lag | — | 1080p: 60 Hz 33.8 ms · 120 Hz 17 ms · 240 Hz 17 ms · 4K UHD: 60 Hz 16.9 ms |
| Lowest input lag | — | 16.9 msDerived |
| Input lag at 4K 60 Hz | — | 16.9 msDerived |
| Inputs & control | ||
| HDMI inputs | 2 × HDMI (HDCP 2.3) | 2 × HDMI 2.0 |
| HDMI inputs (count) | 2Derived | 2Derived |
| Newest HDMI version | — | HDMI 2.0Derived |
| Other video inputs | HDBaseT | + VGA, HDBaseT |
| Audio inputs | — | 3.5 mm |
| USB media playback | Yes | — |
| Control ports | RS-232 | RS-232, + 12 V trigger |
| PJLink | Class 2 | — |
| Control-system drivers | + Control4, Crestron, AMX | Crestron, AMX |
| Horizontal scan | 26–135 kHz | 15–140 kHz |
| Vertical scan | 23.98–60 Hz | 24–120 Hz |
| Smart platform | ||
| Wi-Fi | Wi-Fi 6 | — |
| Ethernet | Yes | Yes |
| Casting | AirPlay 2, Miracast | — |
| Audio | ||
| Speaker power | 10 W | 15 W |
| Speakers | 1 | 2 |
| Audio outputs | 3.5 mm | 3.5 mm |
| HDMI audio return | NoneDerived | NoneDerived |
| Physical & installation | ||
| Dimensions (W × D × H) | 440 × 304 × 122 mm | 374 × 302 × 117 mm |
| Weight | 9,298 g | 6,300 g |
| Colours | White | — |
| Orientations | Table, Ceiling, Rear, 360° | Table, Ceiling, Rear, + Portrait, 360° |
| Ceiling mount | 4 × M4, screws ≤ 9 mm, 100 × 100 mm spacing | — |
| Dust filter | Replaceable | — |
| Ingress protection | — | IP6X (light engine) |
| Sealed optical engine | — | Yes |
| Environment & power | ||
| Operating temperature | 0–45°C | 0–40°C |
| Operating humidity | 20–80%RH | 10–85%RH |
| Altitude | 3,048 m | — |
| Power draw | 470 W | Max 366 W · Normal 300 W |
| Standby | 0.3 W | Up to 0.5 W |
| Networked standby | 2.4 W | — |
| Mains input | 100–240 V · 50/60 Hz | 100–240 V · 50/60 Hz |
| Noise | ||
| Fan noise | Normal 36 dB(A) · Eco 26 dB(A) | Max 36 dB(A) · Eco 33 dB(A) |
| Safety & compliance | ||
| Laser class | Class 1 | Class 1 |
| Risk group | RG2 | RG2 |
| FDA laser notice | Notice 57 | Notice 57 |
| Marks | FCC | — |
| Support & ownership | ||
| Warranty | 🇺🇸 US 3 yr · 🇨🇦 CA 3 yr | — |
| User manual | https://download2.ebz.epson.net/sec_pubs_visual/eai/projectors/pdf/useg/EN/UsersGuide_EBL890E_EN_EAI.pdf | https://region-resource.optoma.com/products/import/Documents/b0d04fc7-f84c-44a5-b36c-e8109cc85fa3.pdf |
| Spare parts | Air filter V13H134AF0 · Mount V12H809001 · Mount V12H808001 | — |
| In the box | ||
| In the box | Power cord, Remote, Remote batteries, Quick start guide | Power cord, Remote, Remote batteries, Quick start guide |