Sensor scores tested by DXOMARK. Canon EOS 1D Mark IV. Canon EOS 1D X. Overall Score. DXOMARK overall sensor score. 74%. 82%. Portrait (Color Depth) As described by DXOMARK 'The Portrait score in our camera sensor reviews defines color depth performance and its unit is a number of bits.
I think it is important to mention that the Sony Alpha 1 ( Amazon , B&H) boasts a 50.1 megapixel Exmor RS image sensor which supposedly triumphs over Canon EOS 1DX Mark III’s 20.1 megapixel CMOS image sensor. While 8K is an obvious plus point for the Alpha 1, it gets negated by the 10-bit 4:2:0 color sampling. . 554 705 461 463 640 931 515 654