The higher the selected resolution, the more time is needed for the laser engraving.
If you choose a different resolution, you can also save engraving time. For large-scale engravings, for example, choose a lower resolution and compensate for the resulting line spacing with a higher Z offset value.
Consistent engraving result - 1/4 of the original processing time
See our example of how you can engrave the same graphic at 500dpi with the same result at 125 dpi in just 1/4 of the time: