Optoma GT3900UHD vs Optoma UHD38x
Bold marks the better figure where both are stated to the same standard. βββ means the manufacturer doesn't state it.
 Optoma GT3900UHDMSRP $1,899 | Optoma UHD38x | |
|---|---|---|
| Display system | ||
| Imaging technology | DLP | DLP |
| Technology brand | DLP | DLP |
| Number of imaging devices | 1 | 1 |
| Chip / panel diagonal | β | 0.47 in |
| Native aspect ratio | 16:9 | 16:9 |
| Native resolution | β | 1920 Γ 1080 |
| Addressable resolution | 3840 Γ 2160 | 3840 Γ 2160 |
| Optics | ||
| Throw ratio | 0.5:1 | 1.5β1.66:1 |
| Projection distance table | 30β³: 0.33 m Β· 40β³: 0.44 m Β· 50β³: 0.55 m Β· 60β³: 0.66 m Β· 70β³: 0.77β0.77 m Β· 80β³: 0.88 m Β· 90β³: 0.99 m Β· 100β³: 1.1β1.1 m Β· 120β³: 1.32 m Β· 150β³: 1.65 m Β· 180β³: 1.98 m Β· 200β³: 2.2 m Β· 250β³: 2.75 m Β· 300β³: 3.3 m | 100β³: 3.32β3.65 m Β· 120β³: 3.98β4.38 m |
| Zoom type | None | Optical |
| Zoom ratio | β | 1.1Γ |
| Focus | Manual | Manual |
| Vertical lens shift | 0% | 0% |
| Horizontal lens shift | 0% | β |
| Fixed offset | 114% | 105% |
| Focal length | 7.51 mm | 15.84β17.42 mm |
| F-number | 2.8 | 1.98β2.02 |
| Image size range | 30β150 in | 33β300 in |
| Vertical keystone | -15β15Β° | -40β40Β° |
| Horizontal keystone | -15β15Β° | -40β40Β° |
| Corner / warp correction | Warp | Warp |
| Light source | ||
| Light source type | Laser (phosphor) | Lamp |
| Light source detail | Laser (Optoma DuraCore) | β |
| Lamp wattage | β | 240 W |
| Light source life | Eco: 30,000 h | Bright: 4,000 h Β· Dynamic: 15,000 h Β· Eco: 10,000 h |
| Constant brightness mode | Yes | β |
| Warm-up time | 10 s | β |
| Cool-down time | 10 s | 90 s |
| Light-source dimming | Manual steps | β |
| Brightness | ||
| ISO light output | 4,000 lm | β |
| ANSI lumens | β | 4,000 lmPreliminary |
| Claimed brightness (non-standard) | β | 4,000 |
| Claimed brightness unit | β | Unspecified |
| Brightness uniformity (centre-to-corner) | 75% | 80% |
| Contrast & black level | ||
| Dynamic contrast | 2,000,000:1 | 1,000,000:1 |
| Colour | ||
| Colour temperature presets | β | D55, D65, D93, Native |
| Gamma / EOTF presets | 2.2, 2.4 | 2.2, 2.4 |
| Bit depth / 'number of colours' | 30 bitDerived | β |
| Calibration & picture control | ||
| Colour management system | 6-axis | 6-axis |
| ISF certified | Yes | Yes |
| HDR | ||
| HDR formats | HDR10, HLG | HDR10, HLG |
| Motion & gaming | ||
| Max refresh rate | 1920Γ1080: 240 Hz Β· 3840Γ2160: 60 Hz | 1920Γ1080: 240 Hz Β· 3840Γ2160: 60 Hz |
| Input lag (rated) | 3840Γ2160 @ 60 Hz: 16.7 ms Β· 1920Γ1080 @ 60 Hz: 16.7 ms Β· 1920Γ1080 @ 120 Hz: 8.6 ms Β· 1920Γ1080 @ 240 Hz: 4.3 ms | 1920Γ1080 @ 240 Hz: 4.2 ms |
| Audio | ||
| Speaker power | 15 W | 10 W |
| Speaker count | 1 | 1 |
| Audio channels | Mono | β |
| Audio outputs | 3.5 mm, HDMI eARC | 3.5 mm |
| HDMI eARC | Yes | β |
| Inputs, control & connectivity | ||
| Max input signal | 3840 Γ 2160 | 4096 Γ 2160 |
| HDMI port count | 2 | 2 |
| HDMI ports (feature-level) | HDMI 2.0: HDMI 2.0; HDMI 2.0 (eARC): HDMI 2.0, eARC | HDMI 1: HDMI 2.0, HDCP 2.2; HDMI 2: HDMI 2.0, HDCP 2.2 |
| Horizontal scan frequency | 15β150 kHz | 31β135 kHz |
| Vertical scan frequency | 24β240 Hz | 24β120 Hz |
| RS-232 | Yes | Yes |
| LAN control | Yes | β |
| 12 V trigger | Yes | Yes |
| PJLink class | Class 1 | β |
| Control ecosystem drivers | Crestron | β |
| Ethernet | Yes | β |
| 3D | ||
| 3D support | Yes | Yes |
| 3D sync method | DLP-Link | β |
| 3D formats | Frame packing, Side-by-side, Top-bottom, Frame sequential | Frame packing |
| Glasses included | 0 | β |
| Acoustic noise | ||
| Fan noise (sound pressure) | Eco: 28 dB(A) Β· Bright: 35 dB(A) | Min: 26 dB(A) Β· Max: 28 dB(A) |
| Environment & power | ||
| Operating temperature | 0β40Β°C | 5β40Β°C |
| Operating humidity | 10β85%RH | 10β85%RH |
| Altitude / high-altitude mode | 2,500 m | 3,000 m |
| High-altitude mode | Yes | Yes |
| Operating orientations | Table, Ceiling, Rear, 360Β°, Portrait | Table, Ceiling, Rear |
| Rated voltage | 100β240 V | 100β240 V |
| Rated frequency | 50β60 Hz | 50β60 Hz |
| Power consumption (max) | 178 W | 305 W |
| Power consumption by mode | Eco: 125 W Β· Bright: 178 W | Min: 220 W Β· Max: 305 W |
| Standby power | 0.5 W | 0.5 W |
| Power supply | External brick | Internal |
| Physical & installation | ||
| Width | 274 mm | 315 mm |
| Depth | 216 mm | 270 mm |
| Height | 114 mm | 118 mm |
| Weight | 2.9 kg | 3.98 kg |
| Ingress protection | IP6X | β |
| Colours / finishes | Black | White |
| Safety & compliance | ||
| Photobiological risk group | RG2 | RG2 |
| Hazard distance | 1 m | β |
| Laser product class | Class 1 | β |
| Safety & market certifications | FCC, CE | FCC |
| Support & ownership | ||
| Warranty | πΊπΈ US 5 yr or 12,000 h | πΊπΈ US 1 yr |
| Light-source warranty | β | 90 days lamp warranty |
| User manual | https://region-resource.optoma.com/products/documents/CWqYJUpb2tPRrTwMj1QGYRcPXH2q7xeKXHsKXAZ4.pdf | https://region-resource.optoma.com/products/import/Documents/13cdc4ab-4017-4930-a4fd-d023d407c4fe.pdf |
| In the box | ||
| Box contents | Projector, Remote, Batteries, Power cord, Power adapter, Quick start guide, Warranty card | Power cord, Remote, Batteries, Manual |
| Remote type | IR | Backlit |
| 3D glasses in box | 0 | β |