Panasonic LX100 has a 13.0MP Four Thirds (17.3 x 13 mm ) sized CMOS sensor and features Venus Engine processor. You can shoot at maximum resolution of 4112 x 3088 pixels with aspect ratios of 1:1, 4:3, 3:2 and 16:9. LX100 has a native ISO range of 200 - 25600 which can be boosted to 100-25600 and it can save files in RAW format which gives you a wider room for post processing.
Panasonic LX100 is not the highest resolution Four Thirds camera. Panasonic GH7 with its 25.0MP sensor is leading in this class. Check the comparison of Panasonic LX100 vs Panasonic GH7 or take a look at Highest resolution Compact cameras list.
Panasonic LX100 DxOMark Sensor Scores
DxOMark is a benchmark that scientifically assesses image quality of camera sensors. Panasonic LX100 sensor has been tested by DxO Mark and got an overall score of 67 for its image quality. You can find the details of their analysis of Panasonic LX100 here.
Let's look at how the size of the Panasonic LX100's Four Thirds sensor compares with other standard sensor sizes.
Comparison image of Panasonic LX100 Sensor Size with other standard sensors
Sensor size is what determines the circle of confusion, and therefore how much
depth of field Panasonic LX100 gives you at any given aperture.
You can
calculate
the exact depth of field for the Panasonic LX100
at any focal length, aperture and subject distance, including the hyperfocal distance
for landscapes and how close you can get before the focus zone becomes too thin.