Compare OSCAL PV800 Pro vs Xiaomi Redmi Projector 4

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
OSCAL PV800 Pro Xiaomi Redmi Projector 4
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