Optoma ML1050STi vs TCL A1s
Bold marks the better figure where both are stated to the same standard. “—” means the manufacturer doesn't state it.
 Optoma ML1050STiMSRP $1,199 |  TCL A1sMSRP $399.99 | |
|---|---|---|
| Display system | ||
| Imaging technology | DLP | Single-panel LCD |
| Number of imaging devices | — | 1 |
| Chip / panel diagonal | — | 4.45 in |
| Native aspect ratio | 16:10 | 16:9 |
| Native resolution | 1280 × 800 | 1920 × 1080 |
| Optical system description | — | LCD panel lit by an LED source in a sealed optical path; fixed lens with no optical zoom |
| Optics | ||
| Throw ratio | 0.8:1 | 1.25:1 |
| Projection distance table | 50″: 0.86 m · 60″: 1.04 m · 70″: 1.21 m · 80″: 1.39 m · 90″: 1.56 m · 100″: 1.73 m | 45″: 1.26 m · 50″: 1.38 m · 60″: 1.65 m · 70″: 1.92 m · 80″: 2.19 m · 90″: 2.47 m · 100″: 2.74 m · 110″: 3.03 m · 120″: 3.3 m · 150″: 4.13 m |
| Zoom type | None | None |
| Focus | Auto | Auto |
| Vertical lens shift | — | 0% |
| Horizontal lens shift | — | 0% |
| Fixed offset | 100% | — |
| Focal length | 8.02 mm | — |
| F-number | 1.9 | — |
| Interchangeable lens | — | No |
| Image size range | 50–100 in | 45–150 in |
| Vertical keystone | -40–40° | — |
| Light source | ||
| Light source type | LED | LED |
| Light source detail | LED | — |
| Light source life | Rated: 20,000 h | Rated: 30,000 h |
| Life definition | — | Unspecified |
| Brightness | ||
| ISO light output | — | 600 lm |
| ANSI lumens | 535 lm | — |
| Brightness uniformity (centre-to-corner) | 90% | — |
| Contrast & black level | ||
| Dynamic contrast | 20,000:1 | 1,500:1 |
| Colour | ||
| DCI-P3 gamut | 90% | — |
| Bit depth / 'number of colours' | 24 bit | 8 bit |
| Motion & gaming | ||
| Max refresh rate | — | 1920×1080: 60 Hz |
| Input lag (rated) | 1920×1080 @ 60 Hz: 16 ms | — |
| Audio | ||
| Speaker power | 2 W | 16 W |
| Speaker count | 1 | 2 |
| Audio outputs | 3.5 mm | 3.5 mm |
| Bluetooth speaker mode | — | Yes |
| Inputs, control & connectivity | ||
| Max input signal | 1920 × 1080 | 1920 × 1080 |
| HDMI port count | 1 | 1 |
| HDMI ports (feature-level) | HDMI: HDMI 1.4b | — |
| Horizontal scan frequency | 15.38–91.15 kHz | — |
| Vertical scan frequency | 24–85 Hz | — |
| USB media playback | Yes | Yes |
| RS-232 | Yes | — |
| Wi-Fi | — | Wi-Fi 5 |
| Bluetooth version | — | 5.1 |
| Firmware / software | ||
| Smart OS | Android (uncertified) | Google TV |
| OS version | — | Android 11 for TV |
| Netflix | — | Native |
| Casting | — | Chromecast built-in |
| RAM | — | 2 GB |
| Storage | — | 16 GB |
| SoC | — | MT9630 |
| 3D | ||
| 3D support | Yes | — |
| Setup automation | ||
| Autofocus | — | When moved |
| Auto keystone | Yes | Yes |
| Screen fit / alignment | — | Yes |
| Obstacle avoidance | — | Yes |
| Integrated stand / gimbal | — | Type: handle_stand · Tilt deg: 15 |
| Acoustic noise | ||
| Fan noise (sound pressure) | Min: 22 dB(A) · Max: 29 dB(A) | Rated: 30 dB(A) |
| Noise measurement standard | — | Unspecified |
| Noise measurement distance | — | 1 m |
| Environment & power | ||
| Operating temperature | 0–40°C | 0–40°C |
| Operating humidity | 10–80%RH | — |
| Altitude / high-altitude mode | 2,500 m | — |
| Operating orientations | Table, Rear, Ceiling | Table, Ceiling, Rear |
| Rated voltage | 100–240 V | 100–240 V |
| Rated frequency | 50–60 Hz | 50–60 Hz |
| Power consumption (max) | 69 W | — |
| Power consumption by mode | Bright typical: 60 W · Bright max: 69 W · Eco typical: 25 W · Eco max: 29 W | Rated: 120 W |
| Standby power | 0.5 W | — |
| Power supply | External brick | External brick |
| Physical & installation | ||
| Width | 112 mm | 128 mm |
| Depth | 123 mm | 191 mm |
| Height | 57 mm | 264 mm |
| Weight | 0.47 kg | 2.57 kg |
| Tripod socket | Yes | Yes |
| Sealed optical engine | — | Yes |
| Safety & compliance | ||
| Photobiological risk group | RG2 | RG1 |
| Safety & market certifications | FCC | CE |
| Support & ownership | ||
| Warranty | 🇺🇸 US 1 yr | 🇺🇸 US 1 yr · 🇬🇧 GB 2 yr |
| Light-source warranty | 5 years or 12,000 hours | — |
| User manual | https://region-resource.optoma.com/products/import/Documents/1879f1af-9587-4088-a150-cad4681dca36.pdf | https://cdn.shopify.com/s/files/1/0687/7151/2385/files/HXD401300317-Projector_A1S_QSG_EU-11L-v1.8-20250814.pdf |
| In the box | ||
| Box contents | Projector, Carry bag, Remote control with battery, AC power cord, Universal I/O cable, RS232 mini-USB adaptor, Basic user manual | Projector, Carrying case, Power plug, Remote control |
| Remote type | IR | Bluetooth |