1) Straight from RAW = Read in RAW file w/o adjustment
2) Unsharp mask: used unsharp mask only
3) Elements: Strength4 = after Unsharp Mask applied Reduce Noise
w/ Strength=4, PreserveDetail=100,
ColorNoiseReduction=100
4) Elements: Strength10 = after Unsharp Mask applied Reduce
Noise w/ Strength=10(i.e., max), PreserveDetail=100,
ColorNoiseReduction=100
5) PS7: Ran noise reduction action (copies image to a new document, convert to LAB, create an edgemask, reduce noise in the A and B channels with median and blur, run Smart blur with edgemask preserving edge detail, copying all and pasting as a new layer on top of the original image so opacity can be adjusted):
