We shoot a specially designed chart in carefully controlled conditions and the resulting images are analysed using DXO Analyzer software to generate the data to produce the graphs below.
A high signal to noise ratio (SNR) indicates a cleaner and better quality image.
For more more details on how to interpret our test data, check out our full explanation of our noise and dynamic range tests.
JPEG signal to noise ratio
These results show that the Nikon D5200 produces a similar signal to noise ratio in its JPEG images to theNikon D5100 and Canon EOS 650D, but a weaker ratio than the Nikon D7000 at most sensitivity settings. At lower ISOs, the D5200's JPEGs have a weaker signal to noise ratio than the Pentax K-30, but at ISO 6400 and above, the Nikon takes the lead.
Raw signal to noise ratio
The signal to noise ratios of the TIFF images (after conversion from raw) from the Nikon D5200 are slightly stronger than its JPEG images, sitting above the Nikon D5100 at most sensitivities, and above the Nikon D7000 at ISO 400 and ISO 3200-12800. It also beats the Pentax K-30 at ISO 400 and above. The Canon EOS 650D beats the D5200 at every sensitivity.
JPEG dynamic range
Results for dynamic range are competitively stronger than those for signal to noise ratio, with the Nikon D5200's JPEG images showing the greatest dynamic range at lower ISOs, before slipping below the Nikon D7000 at ISO 1600 and above, and then dropping off more at ISO 3200 and above, where it also falls slightly below the Nikon D5100 and roughly level with the Canon EOS 650D. It stays roughly level with thePentax K-30 at ISO 3200-6400, before beating it at ISO 12800 and above.
Raw dynamic range
Dynamic range in TIFF images (after conversion from raw) from the Nikon D5200 are very impressive, beating the Pentax K-30, Nikon D5100, Canon EOS 650D and Nikon D7000 throughout the sensitivity range, except at ISO 25600 where it drops ever so slightly behind the Canon.