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.
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.