In this technical comparison between the JMGO O3 and the Xiaomi Redmi Projector 4, we analyze the key features to help you choose.
The display is a highlight, featuring a resolution of 1080p Full HD (Supports 4K decoding) for the O3 versus 1080p Full HD (Supports 4K decoding) for the Redmi Projector 4.
Choosing between these two Projectors models often comes down to your budget, with prices around ~$530 - $650 and $140 - $160 USD.
| Specifications |
JMGO O3 |
Xiaomi Redmi Projector 4 |
|---|---|---|
|
|
|
| Launch | ||
| Version | December 2025 | October 2025 |
| Design | ||
| Dimensions & weight | Dimensions: 250 x 219 x 107 mm Weight: 2.4 kg (5.3 lbs) | 151.4 × 125 × 204.8 mm Weight: 1.5 kg (3.3 lbs) |
| Noise level | ≤ 26 dB | ≤ 28 dB |
| Projection System | ||
| Technology | DLP (DLPC8424 Chip) | Single LCD with Custom-Sealed Optical Engine |
| Light Source | ||
| Type | MALC™ 3.0 Triple Color RGB Laser | LED |
| Lifespan | 30,000 hours | Approx. 15,000 - 20,000 hours |
| Image | ||
| Native resolution | 1080p Full HD (Supports 4K decoding) | 1080p Full HD (Supports 4K decoding) |
| Brightness | 1,400 ISO Lumens | 360 CVIA Lumens (800 ANSI Lumens estimated) |
| Contrast ratio | 10,000:1 (Dynamic) | 1,500:1 |
| Throw ratio / Distance | 0.18:1 (100" screen from 22cm away) | 1.2:1 |
| Screen size | 60" – 120" | 55" – 120" |
| Lens & Adjustment | ||
| Focus | AI Instant Auto Focus | ToF-based Auto Focus |
| Zoom | Fixed (Digital zoom only) | Fixed (Digital zoom only) |
| Keystone | Auto Keystone / Wall Color Adaptation | Omnidirectional Auto Keystone (±15°) |
| Lens shift | No | No |
| Video | ||
| Max input resolution & FPS | 4K @ 60Hz --- Refresh Rate: Up to 120Hz (Gaming mode) | 4K @ 60Hz |
| HDR support | HDR10, HLG | HDR10 (Basic metadata support) --- MEMC: Supported (Motion compensation) |
| Audio | ||
| Speaker | 20W JMGO Master Sound System (40Hz Bass) | Dual 5W Full-range speakers |
| Audio out | HDMI eARC / Bluetooth 5.2 / 3.5mm Jack | 3.5mm Headphone Jack / Bluetooth 5.1 |
| Connectivity | ||
| HDMI / USB | 2x HDMI 2.1 (1x eARC), 1x USB 2.0 | 1x HDMI (ARC), 1x USB 2.0 |
| Wi-Fi / Bluetooth | Wi-Fi 6 / Bluetooth 5.0 | Dual-band Wi-Fi / Bluetooth 5.1 |
| Screen casting | Google Cast / AirPlay / Miracast | Wireless Casting (Screencast / AirPlay) |
| Smart | ||
| OS | Google TV (Global) / Bonfire OS (China) | Xiaomi HyperOS Connect |
| App support | Netflix Certified, YouTube, 10,000+ Apps | Mi App Store (Localized for China; requires side-loading for Global apps) |
| Power | ||
| Consumption | ~65W - 80W | Approx. 90W – 100W |
| Misc | ||
| Inside the box | Projector, Bluetooth Voice Remote, Power Adapter, EPP Carrying Case | Projector, Remote, Power Adapter, User Manual |
| Price | ~$530 - $650 | $140 - $160 USD |
| Full Details | O3 - Full Specifications | Redmi Projector 4 - Full Specifications |