P7700 vs G15 vs RX100

Here is Nikon P7700 ISO3200 image after I run my NR over it

ISO3200 28mm f2.0 1/25sec



Nikon P7700 ISO3200 + My NR

Original image:

http://whatdigitalcamera.media.ipcdigital.co.uk/11133/000006975/7c91/DSCN0034.JPG

Here is

Canon G15 ISO3200 image for comparison



Canon G15 ISO3200 + my NR

And ISO8000 one



Canon G15 ISO8000 + My NR