Canon EOS M50 Mark II vs Canon EOS M6 Mark II: read noise comparison

Input-referred read noise at base ISO: Canon EOS M50 Mark II 5.1 e⁻ (ISO 100), Canon EOS M6 Mark II 6.1 e⁻ (ISO 100).

Canon EOS M50 Mark IITwin

The Canon EOS M50 Mark II was measured at 25 ISO settings from ISO 100 to ISO 25600. This model has no measurement of its own; the Canon EOS M50, which uses the same sensor, is shown.

At base ISO (100) read noise is 2.89 DN, or 5.1 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 28,242 electrons; unity gain is around ISO 180.

Canon EOS M6 Mark II

The Canon EOS M6 Mark II 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 3.29 DN, or 6.1 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 29,216 electrons; unity gain is around ISO 180.

Canon EOS M50 Mark II vs Canon EOS M6 Mark II read noise table

ISO	Canon EOS M50 Mark II	Canon EOS M6 Mark II
100	2.888	3.294
125	3.758	4.228
160	3.434	3.182
200	4.287	3.918
250	5.502	5.134
320	6.409	3.732
400	8.112	4.659
500	10.196	6.021
640	10.339	6.869
800	13.269	8.634
1000	16.564	11.158
1250	19.698	11.004
1600	24.420	13.929
2000	31.341	18.001
2500	33.825	18.896
3200	43.411	23.588
4000	54.569	29.041
5000	58.892	31.341
6400	74.028	39.947
8000	93.701	49.180
10000	115.360	61.820
12800	143.013	78.249
16000	176.069	98.360
20000	213.783	122.786
25600	259.574	153.277

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