What are the major differences with the optoma UHZ65UST model, which seems to be the old model and yet is more expensive?

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Accepted Answer

The only major difference is the brightness, contrast ratio and some new software features.

Optoma UHZ65UST: Brightness: 3500 Ansi Lumens; Contrast Ratio: 2500000:1; 
Optoma CinemaX P2: Brightness: 3000 Ansi Lumens; Contrast Ratio: 2000000:1; New Framed feature (Picture projects/art on the wall)

Full specifications can be found here:

Optoma UHZ65UST: https://www.optomaeurope.com/product-details/uhz65ust#specifications
Optoma CinemaX P2: https://www.optomaeurope.com/product-details/cinemax-p2

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Question about Optoma CinemaX P2

What are the major differences with the optoma UHZ65UST model, which seems to be the old model and yet is more expensive?