In this technical comparison between the Hisense PX4-Pro and the Xiaomi Redmi Projector 4 Pro, we analyze the key features to help you choose.
The display is a highlight, featuring a resolution of 4K UHD (via Pixel Shifting) for the PX4-Pro versus 1080p Full HD (Supports 4K decoding) for the Redmi Projector 4 Pro.
Choosing between these two Projectors models often comes down to your budget, with prices around ~$3,999 - $4,200 and $210 - $240 USD.
| Specifications |
Hisense PX4-Pro |
Xiaomi Redmi Projector 4 Pro |
|---|---|---|
|
|
|
| Launch | ||
| Release Version | January 2026 | October 2025 |
| Design | ||
| Dimensions & weight | ~550 x 296 x 120 mm | 226 × 210.8 × 155.2 mm Weight: 3.0 kg (6.6 lbs) |
| Mount (Ceiling / Desk) | Desk (UST placement) | - |
| Noise level | ≤ 28 dB | ≤ 29 dB |
| Projection System | ||
| Technology | DLP (0.47" DMD) with LPU 3.0 Digital Laser Engine | Single LCD with Fully-Sealed Optical Engine |
| Light Source | ||
| Sensor Technology | TriChroma (Pure RGB Triple Laser) | LED |
| Lifespan | 25,000+ hours | ~15,000 - 20,000 hours |
| Image | ||
| Native resolution | 4K UHD (via Pixel Shifting) | 1080p Full HD (Supports 4K decoding) |
| Brightness | 3,500 ANSI Lumens | 600 CVIA Lumens (~1,000–1,200 ANSI estimated) |
| Contrast ratio | 6,000:1 (Native via new IRIS system) | 1,000:1 |
| Throw ratio / Distance | 0.20:1 | 1.25:1 |
| Screen size | 80" – 200" (Massive expansion for UST) | 45" – 120" |
| Lens & Adjustment | ||
| Focus | Motorized / Auto Focus | ToF (Time of Flight) Seamless Auto Focus |
| Zoom | Fixed (Digital 8-point geometric adjustment) | Fixed (Digital zoom only) |
| Keystone | Auto Keystone & Wall Alignment | Omnidirectional Auto Keystone (±15°) |
| Lens shift | No | No |
| Video | ||
| Max input resolution & FPS | 4K @ 120Hz / 1080p @ 240Hz | 4K @ 60FPS |
| HDR support | Dolby Vision, HDR10+, HLG, IMAX Enhanced | HDR10 --- MEMC: Supported (Motion estimation/compensation) |
| Audio | ||
| Speaker | 40W - 50W Harman Kardon / Dolby Atmos system | Dual 8W Full-range with Passive Bass Radiators |
| Audio out | HDMI eARC / Optical / Bluetooth 5.3 | 3.5mm Jack / Bluetooth 5.1 / HDMI ARC |
| Connectivity | ||
| HDMI / USB | 2x HDMI 2.1 (Full VRR/ALLM), 1x HDMI 2.0 (eARC) | 1x HDMI (ARC), 1x USB 2.0 |
| Wi-Fi / Bluetooth | Wi-Fi 6E / Bluetooth 5.3 | Dual-band Wi-Fi / Bluetooth 5. |
| Screen casting | Google Cast / AirPlay 2 / Miracast | Wireless Casting / Mi Play / AirPlay |
| Smart | ||
| OS | Google TV (Native Netflix, YouTube, etc.) | Xiaomi HyperOS Connect |
| App support | Full Google Play Store access | Mi App Store (CN) / Mi Home integration |
| Power | ||
| Consumption | ~250W | ≤ 150W |
| Misc | ||
| Inside the box | Projector, Backlit Voice Remote, Power Cord, Cleaning Kit | Projector, Bluetooth Voice Remote, Power Adapter |
| Price | ~$3,999 - $4,200 | $210 - $240 USD |
| Full Details | PX4-Pro - Full Specifications | Redmi Projector 4 Pro - Full Specifications |