Here we are comparing two cameras with different body types: Canon G1 X III, which was introduced in October 2017 is a Large Sensor Compact camera with a 24.0MP APS-C sensor whereas Nikon D3S, which was introduced in February 2010 is a Pro DSLR camera with a 12.0MP Full frame sensor. As you can see, D3S is 7 years older than G1 X III. Let's see if this age difference between two cameras makes a big difference.
Comparing a DSLR camera to a Fixed Lens camera is not an easy task but we will do our best to make this a fair comparison. Fortunately, you can't go wrong with any of these cameras as we rank them amongst Top 10 cameras in their classes. Canon G1 X III is ranked #6
out of 63 Large Sensor Compact cameras with an overall score of 71 whereas Nikon D3S is ranked #9
out of 36 Pro DSLR cameras with an overall score of 64.
Here is a brief look at the main features of Canon G1 X III and Nikon D3S before getting into our more detailed comparison.
Let's read on the following sections in order to better understand in detail how Canon G1 X III and Nikon D3S compares and hopefully end up with enough arguments to decide which one is better for you.