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Samsung EX1 vs Samsung Galaxy NX: read noise comparison
Samsung EX1DxO
The Samsung EX1 was measured at 7 ISO settings from ISO 80 to ISO 3200. Values were derived by Bill Claff from DxOMark lab data.
At base ISO (80) read noise is 7.52 DN. From ISO 1600 up the camera is effectively ISO-invariant: raising ISO further doesn't meaningfully lower shadow noise.
Samsung Galaxy NXDxO
The Samsung Galaxy NX was measured at 9 ISO settings from ISO 100 to ISO 25600. Values were derived by Bill Claff from DxOMark lab data.
At base ISO (100) read noise is 1.21 DN. From ISO 3200 up the camera is effectively ISO-invariant: raising ISO further doesn't meaningfully lower shadow noise.
Samsung EX1 vs Samsung Galaxy NX read noise table
| ISO | Samsung EX1 | Samsung Galaxy NX |
|---|---|---|
| 80 | 7.516 | – |
| 100 | 10.056 | 1.214 |
| 200 | 20.393 | 1.495 |
| 400 | 41.070 | 2.219 |
| 800 | 80.449 | 4.408 |
| 1600 | 126.238 | 9.254 |
| 3200 | 298.172 | 15.455 |
| 6400 | – | 43.411 |
| 12800 | – | 99.733 |
| 25600 | – | 179.769 |
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