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Canon EOS 80D vs Canon EOS 90D: read noise comparison

Input-referred read noise at base ISO: Canon EOS 80D 5.8 e⁻ (ISO 100), Canon EOS 90D 6.5 e⁻ (ISO 100).

Canon EOS 80D

The Canon EOS 80D was measured at 24 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 2.83 DN, or 5.8 electrons at the sensor. From ISO 5000 up the camera is effectively ISO-invariant: raising ISO further doesn't meaningfully lower shadow noise. Settings above ISO 16000 don't change analog gain (digital push). Full well at base ISO is about 32,529 electrons; unity gain is around ISO 210.

Canon EOS 90D

The Canon EOS 90D 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 3.92 DN, or 6.5 electrons at the sensor. From ISO 5000 up the camera is effectively ISO-invariant: raising ISO further doesn't meaningfully lower shadow noise. Full well at base ISO is about 26,435 electrons; unity gain is around ISO 170.

Canon EOS 80D vs Canon EOS 90D read noise table

ISOCanon EOS 80DCanon EOS 90D
1002.8283.918
1253.5555.098
1603.1603.732
2003.9184.691
2504.8915.979
3204.9934.627
4006.2335.856
5007.8907.464
6408.8156.681
80011.1588.340
100014.02610.629
125015.67111.081
160019.69814.026
200024.76117.630
250027.47419.427
320034.77624.084
400044.32430.696
500047.83533.591
640059.71441.933
800075.58453.076
1000093.70164.893
12800119.42881.572
16000149.086101.829
20000–128.000
25600224.411159.786

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Data: Photons to Photos · © William J. Claff