All 3 photos were taken as jpeg, processed in a similar way in Lightroom (moderate exposure, highlights, clarity, sharpening, NO noise reduction,high iso NR set at 'low')

Sony jpeg was processed by camera as +1 sharpen and +1 contrast, high noise NR set at 'low'
Olympus E-M5 jpeg processed with all settings at 0 (zero, including no noise reduction