Originally Posted by
not5150
Your settings look ok... actually woah I take that back.
Ok if you are outputting at 1920X1080 then your renderer will overcrop during the render and will kill your text. Resolutions have to be cleanly divisible by 16. 1280 X 720 is clear because 16 goes into both numbers cleanly. 1920 x 1080 sucks because 1080 doesn't divide cleanly.
To compensate, your render program will add 8 pixels to either the top or bottom (I think Premiere does it to the top). The frame is then encoded and when the frame is done the top 8 pixels are chopped off.
This will thrash your text big time and this is why your 720P text looks great and the 1080P text looks meh.
Output your video by 1920 X 1072 and reupload.