Optoma UHD38x
| Brand | Optoma |
| Type | Gaming |
| Released | December 2022 |
| Resolution | 4K UHD (1080p pixel shift) |
| HDR formats | HDR10, HLG |
| Imaging technology | DLP |
| Light source type | Lamp |
| ANSI lumens | 4,000 lm |
| Throw ratio | 1.5–1.66:1 |
| Input lag (rated) | 1920×1080 @ 240 Hz: 4.2 ms |
A single-chip DLP lamp projector with 4K UHD output from a 1080p-native 0.47-inch chip, rated at 4,000 lumens. It has two HDMI 2.0 ports, a 1.1x manual zoom, no optical lens shift, and a claimed 4.2 ms input lag at 1080p 240 Hz for gaming.
Data sheet
Picture
| Imaging technology | DLP | |
| Technology brand | DLP | |
| Number of imaging devices | 1 | |
| Chip / panel diagonal | 0.47 in | |
| Native aspect ratio | 16:9 | |
| Native resolution | 1920 × 1080 | |
| Addressable resolution | 3840 × 2160 | |
| Dynamic contrast | 1,000,000:1 | |
| Colour temperature presets | D55, D65, D93, Native | |
| Gamma / EOTF presets | 2.2, 2.4 | |
| Colour management system | 6-axis | |
| ISF certified | Yes | |
| HDR formats | HDR10, HLG | |
| Max refresh rate | 1920×1080: 240 Hz · 3840×2160: 60 Hz | |
| Input lag (rated) | 1920×1080 @ 240 Hz: 4.2 ms | |
| 3D support | Yes | |
| 3D formats | Frame packing |
Optics
| Throw ratio | 1.5–1.66:1 | |
| Projection distance table | 100″: 3.32–3.65 m · 120″: 3.98–4.38 m | |
| Zoom type | Optical | |
| Zoom ratio | 1.1× | |
| Focus | Manual | |
| Vertical lens shift | 0% | |
| Fixed offset | 105% | |
| Focal length | 15.84–17.42 mm | |
| F-number | 1.98–2.02 | |
| Image size range | 33–300 in | |
| Vertical keystone | -40–40° | |
| Horizontal keystone | -40–40° | |
| Corner / warp correction | Warp |
Light source
| Light source type | Lamp | |
| Lamp wattage | 240 W | |
| Light source life | Bright: 4,000 h · Dynamic: 15,000 h · Eco: 10,000 h | |
| Cool-down time | 90 s | |
| ANSI lumens | 4,000 lmPreliminary ANSI | ANSI |
| Claimed brightness (non-standard) | 4,000 | |
| Claimed brightness unit | Unspecified | |
| Brightness uniformity (centre-to-corner) | 80% |
Audio
| Speaker power | 10 W | |
| Speaker count | 1 | |
| Audio outputs | 3.5 mm |
Inputs, control & connectivity
| Max input signal | 4096 × 2160 | |
| HDMI port count | 2 | |
| HDMI ports (feature-level) | HDMI 1: HDMI 2.0, HDCP 2.2; HDMI 2: HDMI 2.0, HDCP 2.2 | |
| Horizontal scan frequency | 31–135 kHz | |
| Vertical scan frequency | 24–120 Hz | |
| RS-232 | Yes | |
| 12 V trigger | Yes |
Environment & power
| Operating temperature | 5–40°C | |
| Operating humidity | 10–85%RH | |
| Altitude / high-altitude mode | 3,000 m | |
| High-altitude mode | Yes | |
| Operating orientations | Table, Ceiling, Rear | |
| Rated voltage | 100–240 V | |
| Rated frequency | 50–60 Hz | |
| Power consumption (max) | 305 W | |
| Power consumption by mode | Min: 220 W · Max: 305 W | |
| Standby power | 0.5 W | |
| Power supply | Internal | |
| Fan noise (sound pressure) | Min: 26 dB(A) · Max: 28 dB(A) |
Physical & installation
| Width | 315 mm | |
| Depth | 270 mm | |
| Height | 118 mm | |
| Weight | 3.98 kg | |
| Colours / finishes | White |
Support & ownership
| Warranty | 🇺🇸 US 1 yr Retailer listing. ProjectorCentral also says 1 Year; ProjectorScreen.com (https://www.projectorscreen.com/products/optoma-uhd38x-4k-uhd-hdr-240hz-cinema-gaming-projector-with-4000-lumen) says "Warranty 2 Years". The Optoma warranty page could not be read. | |
| Light-source warranty | 90 days lamp warranty | |
| User manual | https://region-resource.optoma.com/products/import/Documents/13cdc4ab-4017-4930-a4fd-d023d407c4fe.pdf | |
| Photobiological risk group | RG2 | |
| Safety & market certifications | FCC |
In the box
| Box contents | Power cord, Remote, Batteries, Manual | |
| Remote type | Backlit |
Tools
- Throw calculator — How far from the screen the UHD38x needs to sit for a given image size, set to its 1.5–1.66:1 lens.
- Download spec as CSV — Every value on this data sheet with its unit and source, one row per spec.
- Download spec as JSON — The same data from the open data API, with variants and identifiers.
Variants & identifiers
Use these to confirm a listing is this exact model. Any of them works at /p/{code}.
| Variant | Region | Type | Code |
|---|---|---|---|
| Standard | 🇺🇸 US | ASIN | B0BGVGDB72 |
| UPC | 796435814502 | ||
| MPN | UHD38x | ||
| Standard, EU | 🇪🇺 EU | EAN | 5055387666412 |
Reviews
| Date | Title | Publication |
|---|---|---|
| December 6, 2023 | Optoma UHD38x 4K projector test and review | Laurent Willen |
| September 22, 2024 | Optoma UHD38x Review - Bright 4K Projector for Gamers and Home Entertainment | Home Theater Insights |
| January 11, 2023 | Optoma UHD38x Review | ProjectorTop |
