Olympus E-PM1 has a
12.0MP Four Thirds (17.3 x 13 mm ) sized CMOS sensor and features TruePic VI processor. On the other hand, Olympus XZ-1 has a
10.0MP 1/1.63-inch (8.07 x 5.56 mm ) sized CCD sensor and features TruePic V processor.
Below you can see the E-PM1 and XZ-1 sensor size comparison.
As seen above, Olympus E-PM1 has a 5.0x Larger sensor area than Olympus XZ-1. 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
Both Olympus E-PM1 and Olympus XZ-1 sensors have been tested by DxoMark. DxoMark 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. Of the two cameras that we are comparing, E-PM1 has scored 52, 18 points higher than XZ-1.
Model |
Overall |
Color Depth |
Dynamic Range |
Low-light ISO |
Olympus E-PM1 |
52 |
21.0 bits |
10.3 Evs |
499 ISO |
Olympus XZ-1 |
34 |
18.8 bits |
10.4 Evs |
117 ISO |