I have the 49UN7300AUD and I am able to use my laptops HDMI video output at 1080P @ 120Hz via HDMI input on the TV.
MSI GP68HX 13VH RTX 4080 1080P @ 120Hz and 4K @ 60Hz games and videos on a regular basis in Full Screen
MSI GP66 12UGS RTX 3070 Ti 1080P @ 120Hz and 4K @ 60Hz games and videos on a regular basis in Full Screen
ASUS G14 GA402XZ RTX 4080 1080P @ 120Hz in Windowed Borderless and 4K @ 60Hz in Full Screen
ASUS G14 GA402RK RX 6800S 1080P @ 120Hz and 4K @ 60Hz games and videos in Full Screen
I have the 49UN7300AUD and I am able to use my laptops HDMI video output at 1080P @ 120Hz via HDMI input on the TV. MSI GP68HX 13VH RTX 4080 1080P @ 120Hz and 4K @ 60Hz games and videos on a regular basis in Full Screen MSI GP66 12UGS RTX 3070 Ti 1080P @ 120Hz and 4K @ 60Hz games and videos on a regular basis in Full Screen ASUS G14 GA402XZ RTX 4080 1080P @ 120Hz in Windowed Borderless and 4K @ 60Hz in Full Screen ASUS G14 GA402RK RX 6800S 1080P @ 120Hz and 4K @ 60Hz games and videos in Full Screen