Nikon P340 has a
12.0MP 1/1.7-inch (7.44 x 5.58 mm ) sized BSI-CMOS sensor . On the other hand, Pentax K-5 has a
16.0MP APS-C (23.7 x 15.7 mm ) sized CMOS sensor and features Prime II processor.
Below you can see the P340 and K-5 sensor size comparison.
As seen above, Pentax K-5 has a 9.0x Larger sensor area than Nikon P340. 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. Nikon P340 and Pentax K-5 sensors have been tested by DxO and the results show that K-5 has a better overall score of 82, 28 points higher compared to P340's score of 54.
Model |
Overall |
Color Depth |
Dynamic Range |
Low-light ISO |
Nikon P340 |
54 |
20.7 bits |
11.9 Evs |
273 ISO |
Pentax K-5 |
82 |
23.7 bits |
14.1 Evs |
1162 ISO |