Canon G9 X has a 20.0MP 1″ (13.2 x 8.8 mm ) sized BSI-CMOS sensor and features DIGIC 6 processor. You can shoot at maximum resolution of 5472 x 3648 pixels with aspect ratios of 4:3, 3:2 and 16:9. G9 X has a native ISO range of 125 - 12800 and it can save files in RAW format which gives you a wider room for post processing.
Canon G9 X is not the highest resolution 1 inch Sensor camera. Nikon 1 J5 with its 21.0MP sensor is leading in this class. Check the comparison of Canon G9 X vs Nikon 1 J5 or take a look at Highest resolution Compact cameras list.
Canon G9 X DxOMark Sensor Scores
DxOMark is a benchmark that scientifically assesses image quality of camera sensors. Canon G9 X sensor has been tested by DxO Mark and got an overall score of 63 for its image quality. You can find the details of their analysis of Canon G9 X here.
Let's look at how the size of the Canon G9 X's 1″ sensor compares with other standard sensor sizes.
Comparison image of Canon G9 X Sensor Size with other standard sensors
Sensor size is what determines the circle of confusion, and therefore how much
depth of field Canon G9 X gives you at any given aperture.
You can
calculate
the exact depth of field for the Canon G9 X
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.
