setImmediate() vs process.nextTick()

fucntion fn () {
  setImmediate(function () {
    console.log('setImmediate');
  });
  
  process.nextTick(function () {
    console.log('nextTick');
  });
}

fn(); 
// nextTick
// setImmediate

 process.nextTick() inserts a task at the end of the current 
 event loop turn queue, whereas setImmediate() inserts a task 
 at the beginning of the next event loop turn