Optoma GT2300HDR vs Optoma UHD35STx
Bold marks the better figure where both are stated to the same standard. “—” means the manufacturer doesn't state it.
| Optoma GT2300HDR MSRP $1,099 | Optoma UHD35STx MSRP $1,749 | |
|---|---|---|
| Display system | ||
| Imaging technology | DLP | DLP |
| Technology brand | DLP | DLP |
| Number of imaging devices | — | 1 |
| Chip / panel diagonal | — | 0.65 in |
| Native aspect ratio | 16:9 | 16:9 |
| Native resolution | 1920 × 1080 | — |
| Pixel shift | None | XPR 4-way |
| Addressable resolution | — | 3840 × 2160 |
| Optics | ||
| Throw ratio | 0.5:1 | 0.5:1 |
| Projection distance table | 30″: 0.33 m · 40″: 0.44 m · 50″: 0.55 m · 60″: 0.66 m · 70″: 0.77 m · 80″: 0.88 m · 90″: 0.99 m · 100″: 1.1 m · 120″: 1.32 m · 150″: 1.65 m · 180″: 1.98 m · 200″: 2.2 m · 250″: 2.75 m · 300″: 3.3 m | 50″: 0.55 m · 60″: 0.66 m · 70″: 0.77 m · 80″: 0.88 m · 90″: 0.99 m · 100″: 1.1 m · 120″: 1.32 m · 150″: 1.65 m · 180″: 1.98 m · 200″: 2.2 m · 250″: 2.75 m · 36.43″: 0.4 m · 300.53″: 3.3 m |
| Zoom type | None | None |
| Zoom ratio | 1× | 1× |
| Focus | Manual | Manual |
| Vertical lens shift | — | 0% |
| Fixed offset | 116% | 116% |
| Focal length | 7.51 mm | 7.51 mm |
| F-number | 2.8 | 2.8 |
| Interchangeable lens | No | — |
| Image size range | 30–300 in | 36.43–301 in |
| Vertical keystone | -15–15° | -40–40° |
| Horizontal keystone | -15–15° | -40–40° |
| Corner / warp correction | 4pt | Warp |
| Light source | ||
| Light source type | Laser (phosphor) | Lamp |
| Light source detail | DuraCore laser | — |
| Lamp wattage | — | 240 W |
| Light source life | Eco: 30,000 h | Bright: 4,000 h · Dynamic: 15,000 h · Eco: 10,000 h |
| Life definition | — | Unspecified |
| Cool-down time | — | 90 s |
| Light-source dimming | — | Dynamic frame |
| Brightness | ||
| ISO light output | 3,600 lm | — |
| Claimed brightness (non-standard) | — | 3,600 |
| Claimed brightness unit | — | Unspecified |
| Brightness uniformity (centre-to-corner) | 75% | 80% |
| Contrast & black level | ||
| Dynamic contrast | 2,000,000:1 | 1,000,000:1 |
| Manual iris / aperture | — | No |
| Colour | ||
| Colour temperature presets | — | D55, D65, D93, Native |
| Gamma / EOTF presets | — | 2.2, 2.4 |
| Bit depth / 'number of colours' | 30 bit | — |
| Calibration & picture control | ||
| Colour management system | — | 6-axis |
| ISF certified | — | Yes |
| HDR | ||
| HDR formats | HDR10, HLG | HDR10, HLG |
| Tone mapping type | — | Adjustable |
| Motion & gaming | ||
| Max refresh rate | 1920×1080: 120 Hz | 1920×1080: 240 Hz · 3840×2160: 60 Hz |
| Input lag (rated) | 1920×1080 @ 60 Hz: 16.7 ms · 1920×1080 @ 120 Hz: 8.4 ms · 3840×2160 @ 60 Hz: 16.7 ms | 3840×2160 @ 60 Hz: 16.9 ms · 1920×1080 @ 240 Hz: 4.2 ms |
| Audio | ||
| Speaker power | 15 W | 10 W |
| Speaker count | 1 | 1 |
| Audio channels | Mono | Mono |
| Audio outputs | 3.5 mm | 3.5 mm, Optical |
| Inputs, control & connectivity | ||
| Max input signal | 3840 × 2160 | 4096 × 2160 |
| HDMI port count | 2 | 2 |
| HDMI ports (feature-level) | HDMI 1: HDMI 2.0; HDMI 2: HDMI 2.0 | HDMI 1: HDMI 2.0; HDMI 2: HDMI 2.0 |
| Horizontal scan frequency | 15–135 kHz | 31–135 kHz |
| Vertical scan frequency | 24–120 Hz | 24–120 Hz |
| VGA input | Yes | No |
| USB media playback | — | No |
| RS-232 | Yes | Yes |
| LAN control | Yes | — |
| 12 V trigger | Yes | Yes |
| PJLink class | Class 1 | — |
| Ethernet | Yes | — |
| 3D | ||
| 3D support | Yes | Yes |
| 3D sync method | DLP-Link | — |
| 3D formats | Side-by-side, Top-bottom, Frame sequential | Frame packing, Side-by-side, Top-bottom, Frame sequential |
| Setup automation | ||
| Screen fit / alignment | Yes | — |
| Obstacle avoidance | Yes | — |
| Acoustic noise | ||
| Fan noise (sound pressure) | Eco: 29 dB(A) · Bright: 31 dB(A) | Min: 24 dB(A) · Max: 28 dB(A) |
| Environment & power | ||
| Operating temperature | 0–40°C | 5–40°C |
| Operating humidity | — | 10–85%RH |
| Altitude / high-altitude mode | 3,048 m | 3,000 m |
| High-altitude mode | Yes | Yes |
| Operating orientations | 360° | Table, Ceiling, Rear |
| Rated voltage | 100–240 V | 100–240 V |
| Rated frequency | 50–60 Hz | 50–60 Hz |
| Power consumption (max) | 160 W | 320 W |
| Power consumption by mode | Eco: 118 W · Bright: 160 W | Bright: 320 W · Eco: 220 W |
| Standby power | 0.5 W | 0.5 W |
| Physical & installation | ||
| Width | 274 mm | 315 mm |
| Depth | 216 mm | 270 mm |
| Height | 114 mm | 118 mm |
| Weight | 3 kg | 3.5 kg |
| Ingress protection | IP6X | — |
| Colours / finishes | — | White |
| Mount hole pattern | — | Thread: M4 (two-point mount) or M6 (one-point mount) · Screw length min mm: 10 |
| Sealed optical engine | Yes | — |
| Safety & compliance | ||
| Photobiological risk group | RG2 | RG2 |
| Laser product class | Class 1 (IEC 60825-1:2014, Class 1 consumer laser product) | — |
| Safety & market certifications | FCC | FCC, CE |
| Support & ownership | ||
| Warranty | 🇺🇸 US 1 yr | 🇺🇸 US 1 yr |
| Light-source warranty | 5 years limited (US) | 90 days (limited), US |
| User manual | https://region-resource.optoma.com/products/documents/RbyYDr34tZXZAsFhkYCToBBRADe0vG7e5ApSi0Xd.pdf | https://region-resource.optoma.com/products/import/Documents/5ba3a4c4-9910-4450-86ed-8d571c21506b.pdf |
| In the box | ||
| Box contents | Power cable, Remote, Batteries, Quick start guide | Power cord, Remote, Batteries, Basic user manual |
| Remote type | IR | Backlit |