In fact, Canon's even explicitly stated that the pixel pitch of the 5DS R's 50.6MP full-frame sensor is more comparable to the Canon 7D Mark II, with its 20.2MP APS-C sensor, than with the earlier
AJOsA. 403 439 37 3 317 312 64 162 479In the paper, Canon claims a 1-stop improvement in noise from the 1DX II. Also, there is a "head detect" feature, which seems to make a lot of sense from the sports shooter perspective (helmets and such).
In fact, Canon's even explicitly stated that the pixel pitch of the 5DS R's 50.6MP full-frame sensor is more comparable to the Canon 7D Mark II, with its 20.2MP APS-C sensor, than with the earlier
AJOsA. 403 439 37 3 317 312 64 162 479