Canon EOS 700D vs Canon EOS 750D: read noise comparison
Input-referred read noise at base ISO: Canon EOS 700D 13 e⁻ (ISO 100), Canon EOS 750D 10.5 e⁻ (ISO 100).
Canon EOS 700D
The Canon EOS 700D was measured at 8 ISO settings from ISO 100 to ISO 12800. Values are Bill Claff's (Photons to Photos) direct measurements from raw files.
At base ISO (100) read noise is 7.84 DN, or 13 electrons at the sensor. From ISO 3200 up the camera is effectively ISO-invariant: raising ISO further doesn't meaningfully lower shadow noise. Full well at base ISO is about 23,712 electrons; unity gain is around ISO 170.
Canon EOS 750D
The Canon EOS 750D was measured at 8 ISO settings from ISO 100 to ISO 12800. Values are Bill Claff's (Photons to Photos) direct measurements from raw files.
At base ISO (100) read noise is 5.82 DN, or 10.5 electrons at the sensor. From ISO 3200 up the camera is effectively ISO-invariant: raising ISO further doesn't meaningfully lower shadow noise. Full well at base ISO is about 25,873 electrons; unity gain is around ISO 180.
Canon EOS 700D vs Canon EOS 750D read noise table
| ISO | Canon EOS 700D | Canon EOS 750D |
|---|---|---|
| 100 | 7.835 | 5.816 |
| 200 | 8.398 | 6.277 |
| 400 | 10.483 | 7.160 |
| 800 | 14.825 | 9.849 |
| 1600 | 25.813 | 15.889 |
| 3200 | 44.632 | 24.933 |
| 6400 | 83.865 | 44.324 |
| 12800 | 166.572 | 85.627 |
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