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Samsung NX2000 vs Samsung NX210: read noise comparison

Samsung NX2000

The Samsung NX2000 was measured at 25 ISO settings from ISO 100 to ISO 25600. Values are Bill Claff's (Photons to Photos) direct measurements from raw files.

At base ISO (100) read noise is 0.26 DN, or 2.8 electrons at the sensor. From ISO 100 up the camera is effectively ISO-invariant: raising ISO further doesn't meaningfully lower shadow noise. Settings above ISO 12800 don't change analog gain (digital push). Full well at base ISO is about 43,747 electrons; unity gain is around ISO 1070.

Samsung NX210DxO

The Samsung NX210 was measured at 8 ISO settings from ISO 100 to ISO 12800. Values were derived by Bill Claff from DxOMark lab data.

At base ISO (100) read noise is 0.97 DN. From ISO 6400 up the camera is effectively ISO-invariant: raising ISO further doesn't meaningfully lower shadow noise.

Samsung NX2000 vs Samsung NX210 read noise table

ISOSamsung NX2000Samsung NX210
1000.2610.973
1250.342–
1600.460–
2000.5511.064
2500.727–
3200.953–
4001.1022.479
5001.495–
6401.959–
8002.4455.897
10003.031–
12503.811–
16004.62712.996
20005.776–
25007.413–
32009.91831.779
400011.551–
500014.929–
640019.02754.192
800022.316–
1000030.910–
1280037.792101.829
1600041.355–
2000051.625–
2560067.182–

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Data: Photons to Photos · © William J. Claff