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Panasonic Lumix DC-GH5 vs Panasonic Lumix DC-GH6: read noise comparison

Input-referred read noise at base ISO: Panasonic Lumix DC-GH5 3.2 e⁻ (ISO 200), Panasonic Lumix DC-GH6 1.1 e⁻ (ISO 800).

Panasonic Lumix DC-GH5

The Panasonic Lumix DC-GH5 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 (200) read noise is 0.81 DN, or 3.2 electrons at the sensor. From ISO 1600 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 15,641 electrons; unity gain is around ISO 790.

Panasonic Lumix DC-GH6

The Panasonic Lumix DC-GH6 was measured at 28 ISO settings from ISO 50 to ISO 25600. Values are Bill Claff's (Photons to Photos) direct measurements from raw files.

At base ISO (800) read noise is 18.90 DN, or 1.1 electrons at the sensor. From ISO 1000 up the camera is effectively ISO-invariant: raising ISO further doesn't meaningfully lower shadow noise. Full well at base ISO is about 3,678 electrons; unity gain is around ISO 50.

Panasonic Lumix DC-GH5 vs Panasonic Lumix DC-GH6 read noise table

ISOPanasonic Lumix DC-GH5Panasonic Lumix DC-GH6
50–33.825
64–44.324
80–42.814
1000.71744.632
1250.82445.255
1600.92745.570
2000.80744.942
2500.94639.124
3201.08746.206
4001.31050.914
5001.58047.835
6401.90558.892
8002.31318.896
10002.28221.259
12502.77025.992
16003.41131.559
20004.08438.854
25004.99348.168
32005.97960.548
40007.56877.172
50009.19096.336
640011.632120.259
800014.520151.167
1000018.765192.672
1280022.943237.207
1600014.825296.112
2000018.636367.093
2560022.943458.253

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Data: Photons to Photos · © William J. Claff