First of all, I doubt that 1440/1080 is true; 1080p is just way to high to maintain a decent battery life on the go.
The displayport thing sounds good, if I understood it correctly it supports up to 8K/60Hz.
The BUS speed is great, about 40 times as high as the 3DS (128MBps)
Sources:
https://www.reddit.com/r/NintendoSw..._yasuda_nintendoswitch_uses_displayport_over/
https://www.reddit.com/r/NintendoSw...asuda_nintendo_switchs_resolution_not_likely/
The displayport thing sounds good, if I understood it correctly it supports up to 8K/60Hz.
The BUS speed is great, about 40 times as high as the 3DS (128MBps)
Sources:
https://www.reddit.com/r/NintendoSw..._yasuda_nintendoswitch_uses_displayport_over/
https://www.reddit.com/r/NintendoSw...asuda_nintendo_switchs_resolution_not_likely/