Is the "Mix node" in Blender equivalent to "Lerp" in UE4? with Fac = Alpha?

I’m moving a Blender material to UE4, which has a “Mix” node.
Can someone confirm, is this a Lerp in UE4, with Fac = Alpha?
Or what is this node Blender in UE4?
Ty

https://docs.blender.org/manual/en/latest/modeling/geometry_nodes/color/mix_rgb.html

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