Compare BenQ BR9708 vs Xiaomi Redmi Projector 4
In this technical comparison between the BenQ BR9708 and the Xiaomi Redmi Projector 4, we analyze the key features to help you choose.
The display is a highlight, featuring a resolution of 4K UHD (3840 × 2160 px) for the BR9708 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 Approx. $6,499 / £4,650 / €6,500 and $140 - $160 USD.
| Specifications |
BenQ BR9708 |
Xiaomi Redmi Projector 4 |
|---|---|---|
|
|
|
| Launch | ||
| Version | November 2025 | October 2025 |
| Design | ||
| Dimensions & weight | 525.2 x 145.7 x 392.2 mm (20.7× 5.7× 15.4 in); 10.5 kg (23.1 lbs) | 151.4 × 125 × 204.8 mm Weight: 1.5 kg (3.3 lbs) |
| Mount (Ceiling / Desk) | 360-degree installation, Portrait mode, and Ceiling/Desk support | - |
| Noise level | 30 dB (Normal) / 27 dB (Eco) | ≤ 28 dB |
| Projection System | ||
| Technology | DLP (0.47" DMD chip) | Single LCD with Custom-Sealed Optical Engine |
| Light Source | ||
| Type | Blue Laser | LED |
| Lifespan | 20,000 hours (Normal) / 25,000 hours (Eco) | Approx. 15,000 - 20,000 hours |
| Image | ||
| Native resolution | 4K UHD (3840 × 2160 px) | 1080p Full HD (Supports 4K decoding) |
| Brightness | 2,600 ANSI Lumens | 360 CVIA Lumens (800 ANSI Lumens estimated) |
| Contrast ratio | 1,200:1 (Native) / 3,000,000:1 (Dynamic Black) | 1,500:1 |
| Throw ratio / Distance | Interchangeable lens system --- LS3ST1 (Short): 0.5:1, LS3ST2 (Wide): 0.7 – 0.9:1, LS3ST3 (Standard): 1.0 – 1.6:1 | 1.2:1 |
| Screen size | 60" to 300" | 55" – 120" |
| Lens & Adjustment | ||
| Focus | Motorized | ToF-based Auto Focus |
| Zoom | Motorized (1.3x or 1.6x depending on lens; 0.5x is fixed) | Fixed (Digital zoom only) |
| Keystone | 2D, Manual Vertical & Horizontal ±35° | Omnidirectional Auto Keystone (±15°) |
| Lens shift | Motorized; Vertical ±50%, Horizontal ±15% (varies slightly by lens) | No |
| Video | ||
| Max input resolution & FPS | 4K @ 60Hz / 1080p @ 240Hz | 4K @ 60Hz |
| HDR support | HDR10, HDR10+, HLG --- Special Features: 100% DCI-P3 color gamut, Delta E < 2 accuracy, Motion Enhancer (MEMC) | HDR10 (Basic metadata support) --- MEMC: Supported (Motion compensation) |
| Audio | ||
| Speaker | None (Designed for professional external audio systems) | Dual 5W Full-range speakers |
| Audio out | 1x SPDIF (Optical), HDMI eARC (7.1 channel support) | 3.5mm Headphone Jack / Bluetooth 5.1 |
| Connectivity | ||
| HDMI / USB | 2x HDMI 2.1 (1x eARC), 2x USB Type-A (Media/Power), 1x USB Type-B (Service) --- Networking/Control: RJ-45 LAN (HDBaseT/Control), RS232, 3D Sync Out | 1x HDMI (ARC), 1x USB 2.0 |
| Wi-Fi / Bluetooth | Not built-in (Requires external dongle for wireless) | Dual-band Wi-Fi / Bluetooth 5.1 |
| Screen casting | - | Wireless Casting (Screencast / AirPlay) |
| Smart | ||
| OS | No built-in Smart OS (Professional "Lite" firmware for stability) --- Features: Blending Ready Mode (one-click multi-projector setup), White Balance Adjustment (WBA) | Xiaomi HyperOS Connect |
| App support | - | Mi App Store (Localized for China; requires side-loading for Global apps) |
| Power | ||
| Consumption | 450W (Max) / 380W (Normal) / 240W (Eco) | Approx. 90W – 100W |
| Misc | ||
| Inside the box | Projector body (lens sold separately), Remote Control, Power Cord, Calibration Report, Quick Start Guide | Projector, Remote, Power Adapter, User Manual |
| Price | Approx. $6,499 / £4,650 / €6,500 | $140 - $160 USD |
| Full Details | BR9708 - Full Specifications | Redmi Projector 4 - Full Specifications |