Looks like you are having the ISO bug intratech, (in the first post). Should see a nice improvement with 1.29, also try "night mode" too as it leaves the shutter open for a wee bit longer and reduces noise levels.
HTC one looks quite a bit better in the daylight shots imo, less noise and more detailed, HDR doesn't look as good though. A wee bit washed out overall, but I imagine that is more realistic than the GS 3? If you want a bit more colour, try putting the saturation or contrast up by 1 or just run it through the auto enhance effect in the gallery, snapseed etc.
Ran the first image through perfectly clear
http://i.imgur.com/hvuL8QN.jpg
Regarding the GS 4 VS one camera, a couple of people on XDA are returning their GS 4 for the HTC one again due to the shutter speed, say that they miss the shutter speed as most of their shots on the GS 4 come out blurry, probably trying to take pics of their kids and/or pets (the OIS on the one would also help)
Lighting Tips for Indoor Photography
HTC one looks quite a bit better in the daylight shots imo, less noise and more detailed, HDR doesn't look as good though. A wee bit washed out overall, but I imagine that is more realistic than the GS 3? If you want a bit more colour, try putting the saturation or contrast up by 1 or just run it through the auto enhance effect in the gallery, snapseed etc.
Ran the first image through perfectly clear

http://i.imgur.com/hvuL8QN.jpg
Regarding the GS 4 VS one camera, a couple of people on XDA are returning their GS 4 for the HTC one again due to the shutter speed, say that they miss the shutter speed as most of their shots on the GS 4 come out blurry, probably trying to take pics of their kids and/or pets (the OIS on the one would also help)
Lighting Tips for Indoor Photography
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