I highly recommend checking out the winning entry of the 2016 ShaderToy size coding competition - they implement a full raytracer in 584 chars https://www.shadertoy.com/view/4td3zr
That's an apple and orange comparison. Not that it isn't impressive in it's own way, but having a huge library of built in vector math and graphics primitives makes it a lot easier than doing it in a language like C.
