Canon G5 X has a
20.0MP 1″ (13.2 x 8.8 mm ) sized BSI-CMOS sensor and features DIGIC 6 processor. On the other hand, Nikon Z6 II has a
24.0MP Full frame (35.9 x 23.9 mm ) sized BSI-CMOS sensor and features Dual Expeed 6 processor.
Below you can see the G5 X and Z6 Mark II sensor size comparison.
Sensor Size and Resolution Comparison image of Canon G5 X and Nikon Z6 II Cameras
As seen above, Nikon Z6 II has a 7.4x Larger sensor area than Canon G5 X. Larger sensors give photographer more control on the depth of field and blurry background compared to smaller sensor when shot in same focal length and aperture.
DxOMark Sensor Scores
DxOMark is a benchmark that scientifically assesses image quality of camera sensors. It scores camera sensors for color depth (DXO Portrait), dynamic range (DXO Landscape) and low-light sensitivity (DXO Sports), and also gives them an overall score. Canon G5 X and Nikon Z6 II sensors have been tested by DxO and the results show that Z6 Mark II has a better overall score of 94, 32 points higher compared to G5 X's score of 62.
Model
Overall
Color Depth
Dynamic Range
Low-light ISO
Canon G5 X
62
21.4 bits
12.3 Evs
471 ISO
Nikon Z6 II
94
25.0 bits
14.4 Evs
3303 ISO
Sensor size sets the circle of confusion, so it drives how much depth of field each
of these bodies gives you at a given aperture. You can calculate it exactly for the
Canon G5 X
or the
Nikon Z6 II ,
including hyperfocal distance.
One thing to watch when comparing these two: they have different sensor sizes
(1″ versus Full frame),
so compare them at the same framing rather than the same focal length.
Put the same focal length on the smaller sensor and it will show less depth of
field, not more, because it also crops tighter. The calculator shows the
full frame equivalent focal length for each body so you can match the framing.