1080p native upscaled to 4K and downscaled to 1080p = same thing IF upscale/downscale is good enough. in most of the cases aka real life with current equipment available on the market, some quality will be lost by the processing, can your eyes tell the difference, may be for a few of us.
4K Native downscaled to 1080p = superior than native 1080p (we are talking about real native 4K here, nothing else), should make slight visual difference for most of us
So if HDR > SDR conversion results does look exactly the same than native SDR, then 4K HDR > 1080p SDR is slightly superior in quality than original 1080p SDR and most of us should be able to see the slight difference but prolly not all of us.
Maestro: 4I/4O +4K HDR over HDBT +Autoswitch any sources +HDMI/ARC/eARC sound to AVR input +webserver.
Diva: 4I/3O +Ambient Light +Lag Tester +4K HDR > 1080p SDR +HDMI/ARC/eARC sound to AVR input +autoswitch +webserver.
Vertex2: 4I/3O +Autoswitch any sources +HDMI/ARC/eARC sound to AVR input +webserver.
Last edited by HDfury; 07-18-2019 at 09:22 AM.