In this technical comparison between the OSCAL PV800 Pro and the Xiaomi Redmi Projector 4, we analyze the key features to help you choose.
The display is a highlight, featuring a resolution of Full HD (1920 × 1080 px) for the PV800 Pro 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 $299 / €299 and $140 - $160 USD.
| Specifications |
OSCAL PV800 Pro |
Xiaomi Redmi Projector 4 |
|---|---|---|
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|
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| Launch | ||
| Version | November 2025 | October 2025 |
| Design | ||
| Dimensions & weight | 280 x 241 x 109.5 mm; 2.6 kg (5.7 lbs) | 151.4 × 125 × 204.8 mm Weight: 1.5 kg (3.3 lbs) |
| Mount (Ceiling / Desk) | Tabletop, Tripod, or Ceiling/Floor Mount | - |
| Noise level | < 35 dB (Silent cooling system with aluminum plate) | ≤ 28 dB |
| Projection System | ||
| Technology | 5-inch Single LCD Panel (Fully Sealed Optical Engine) | Single LCD with Custom-Sealed Optical Engine |
| Light Source | ||
| Type | LED | LED |
| Lifespan | 50,000 hours | Approx. 15,000 - 20,000 hours |
| Image | ||
| Native resolution | Full HD (1920 × 1080 px) | 1080p Full HD (Supports 4K decoding) |
| Brightness | 1,400 ANSI Lumens | 360 CVIA Lumens (800 ANSI Lumens estimated) |
| Contrast ratio | 4,000:1 | 1,500:1 |
| Throw ratio / Distance | 1.29:1 / Approx. 1.2 m to 5.5 m | 1.2:1 |
| Screen size | 40" to 200" | 55" – 120" |
| Lens & Adjustment | ||
| Focus | Smart Auto-Focus | ToF-based Auto Focus |
| Zoom | 50% – 100% Digital Zoom | Fixed (Digital zoom only) |
| Keystone | 6D Auto-Keystone (Vertical/Horizontal/Rotation) --- Advanced Features: Auto-Obstacle Avoidance and Auto Screen-Alignment | Omnidirectional Auto Keystone (±15°) |
| Lens shift | - | No |
| Video | ||
| Max input resolution & FPS | 4K Supported (3840 × 2160 px) | 4K @ 60Hz |
| HDR support | HDR10+ --- CPU/GPU: Quad-core Hi3751 V352 / Mali-450 MP2 | HDR10 (Basic metadata support) --- MEMC: Supported (Motion compensation) |
| Audio | ||
| Speaker | 1 x 8W Hi-Fi Stereo Speaker (75mm driver, 360° sound output) | Dual 5W Full-range speakers |
| Audio out | 3.5mm Headphone Jack; Bluetooth Audio | 3.5mm Headphone Jack / Bluetooth 5.1 |
| Connectivity | ||
| HDMI / USB | 1x HDMI 1.4, 1x USB 2.0 | 1x HDMI (ARC), 1x USB 2.0 |
| Wi-Fi / Bluetooth | Wi-Fi 6 (Dual-band), Bluetooth 5.0 | Dual-band Wi-Fi / Bluetooth 5.1 |
| Screen casting | Chromecast built-in (via Google TV) | Wireless Casting (Screencast / AirPlay) |
| Smart | ||
| OS | Google TV --- Voice Control: Google Assistant via remote | Xiaomi HyperOS Connect |
| App support | Official Netflix, YouTube, Disney+, Prime Video, etc. (10,000+ apps) | Mi App Store (Localized for China; requires side-loading for Global apps) |
| Power | ||
| Consumption | 120W --- Protection: Automatic NTC temperature-controlled shutdown | Approx. 90W – 100W |
| Misc | ||
| Inside the box | PV800 Pro Projector, Voice Remote Control, AC Power Cord, HDMI Cable, User Manual | Projector, Remote, Power Adapter, User Manual |
| Price | $299 / €299 | $140 - $160 USD |
| Full Details | PV800 Pro - Full Specifications | Redmi Projector 4 - Full Specifications |