Returning to the results, the RX100 has Handheld Twilight mode which, like handheld Night Shot on the Lumix LX7 and Handheld Night Scene on the PowerShot G1 X sets the exposure and ISO sensitivity automatically, so it is difficult to make comparisons other than to see what you would get using this mode as opposed to one of the single shot high ISO options and to see how each camera deals with the same