Below you can see the front view size comparison of Canon SX60 HS and Nikon P610. Nikon P610 is clearly the smaller of the two cameras. Its body is 3mm narrower, 8mm shorter and 7mm thinner than Canon SX60 HS.
Canon SX60 HS vs Nikon P610 - Front View
Canon SX60 HS vs Nikon P610 - Top View
The chart below depicts how two cameras compare with average dimensions of the cameras in their class.
Camera Size Comparison
Select Two Cameras for Size Comparison