The maximal Image Size of each resolution is constant.
Resolution 150 40×17.95 inch
Resolution 300 20×8.97 inch
Resolution 600 10×4.49 inch
The larger the resolution is, the higher the image quality. You may choose the right resolution based on export image size.
Note:
1. When exporting as JPEG format, you may also take the image quality into account.
2. Do not forget to adjust the logo/canvas size and distance to border value before exporting image.