Both Unreal Engine and Unity have powerful particle systems with similar core properties such as shape, size, color, and texture. However, in this tutorial we are focusing on Mesh particles in both programs in Niagara for Unreal Engine 5 and Visual Effect Graph for Unity.
https://dev.epicgames.com/community/learning/tutorials/r4ew/unreal-engine-v-5-00-and-unity-v-2021-3-16f1-niagara-and-visual-effect-graph