Nikon D5300 vs Nikon D5600: read noise comparison

Input-referred read noise at base ISO: Nikon D5300 3.3 e⁻ (ISO 100), Nikon D5600 3.1 e⁻ (ISO 100).

Nikon D5300

The Nikon D5300 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 1.58 DN, or 3.3 electrons at the sensor. From ISO 500 up the camera is effectively ISO-invariant: raising ISO further doesn't meaningfully lower shadow noise. Settings above ISO 8000 don't change analog gain (digital push). Full well at base ISO is about 33,241 electrons; unity gain is around ISO 210.

Nikon D5600

The Nikon D5600 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 1.47 DN, or 3.1 electrons at the sensor. From ISO 500 up the camera is effectively ISO-invariant: raising ISO further doesn't meaningfully lower shadow noise. Settings above ISO 2500 don't change analog gain (digital push). Full well at base ISO is about 32,718 electrons; unity gain is around ISO 210.

Nikon D5300 vs Nikon D5600 read noise table

ISO	Nikon D5300	Nikon D5600
100	1.580	1.474
125	1.741	1.778
160	2.099	2.129
200	2.585	2.585
250	3.138	3.182
320	3.758	3.758
400	4.595	4.659
500	5.579	5.618
640	6.869	6.964
800	8.398	8.340
1000	10.411	10.339
1250	12.996	12.906
1600	15.562	16.000
2000	19.427	19.835
2500	24.251	24.933
3200	30.484	31.341
4000	38.586	38.854
5000	48.503	48.840
6400	60.548	61.820
8000	76.109	77.172
10000	97.006	99.044
12800	121.095	123.640
16000	147.033	150.123
20000	182.278	188.706
25600	230.720	245.572

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