Is it worth it?
The BRAVIA 8 K55XR80 makes most sense for someone who wants a 55-inch OLED for film nights, console gaming and a tidy Google TV setup, but it is not the right route if your room demands very high brightness all day. Its appeal is the combination of self-lit OLED contrast, 120Hz motion support and PlayStation 5-friendly gaming features, which gives it a proper premium living-room brief rather than a generic smart TV one.
I would put this in the buy list for darker rooms, mixed movie-and-gaming households and anyone who values deep blacks more than sheer daylight punch. The trade-off is straightforward: you get the cinematic OLED look, strong built-in sound and a flexible stand, but the set is still judged by the usual OLED rules, so buyers chasing maximum brightness or the cheapest large-screen option should look elsewhere.