The supported resolution for my Early 2015 MBA, is listed below. That means if I connect it to a 49" Samsung, via HDMI, the resolution would look awful, no? Unless I am not understanding this properly...
MBA Early 2015:
Supported resolutions: 1440 by 900 (native), 1280 by 800, 1152 by 720, and 1024 by 640 pixels at 16:10 aspect ratio and 1024 by 768 and 800 by 600 pixels at 4:3 aspect ratio.
GPU: Intel HD Graphics 6000 1536MB
MBA Early 2015:
Supported resolutions: 1440 by 900 (native), 1280 by 800, 1152 by 720, and 1024 by 640 pixels at 16:10 aspect ratio and 1024 by 768 and 800 by 600 pixels at 4:3 aspect ratio.
GPU: Intel HD Graphics 6000 1536MB