Canon 450D has a
12.0MP APS-C (22.2 x 14.8 mm ) sized CMOS sensor . On the other hand, Olympus E-450 has a
10.0MP Four Thirds (17.3 x 13 mm ) sized CMOS sensor and features TruePic III processor.
Below you can see the 450D and E-450 sensor size comparison.
As seen above, Canon 450D has a 1.5x Larger sensor area than Olympus E-450. 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 Canon 450D and Olympus E-450 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, 450D has scored 61, 5 points higher than E-450.
Model |
Overall |
Color Depth |
Dynamic Range |
Low-light ISO |
Canon 450D |
61 |
21.9 bits |
10.8 Evs |
692 ISO |
Olympus E-450 |
56 |
21.5 bits |
10.5 Evs |
512 ISO |