Reasons to choose K20D
Released in 2008, K20D has about 365 mm² of sensor area, 14.6 MP effective resolution, and a 800 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
Pentax K20D
vs Samsung NX10
VS
Sensor area
365 mm²
K20D365 mm²
NX10- Area ratio
- 1:1
- Absolute difference
- 0 mm²
- Relative difference
- 0%
The K20D and NX10 have the same sensor area. Compare pixel density, sensor architecture, and release generation to understand likely image-quality differences.
These cameras were released 2 years apart. Consider sensor generation when comparing pixel metrics.
Key specification differences
K20DMetricNX10
14.6 MPEffective pixels14.6 MP
23.4 × 15.6Sensor23.4 × 15.6
5 µmPixel pitch5 µm
25 µm²Pixel area25 µm²
4 MP/cm²Pixel density4 MP/cm²
1.54Crop factor1.54
—Maximum video—
800 gWeight353 g
SDHC, Secure DigitalStorageSDHC, Secure Digital
Lithium Ion (D-LI50)BatteryLithium-Ion BP1310 battery Li-ion battery
Amber marks the value that is generally preferable in this comparison context. It is not an overall camera score.
How to choose between these cameras
The K20D and NX10 have the same sensor area. The NX10 has the lighter body. The K20D and NX10 have the same effective resolution. The NX10 is the newer release. Also consider the lens system and subjects you shoot.
Reasons to choose NX10
Released in 2010, NX10 has about 365 mm² of sensor area, 14.6 MP effective resolution, and a 353 g body. Use these values to narrow the field, not as an overall image-quality score.