The first clear example of this is the prisoners. He claims that Conrad propagated the "dominant image of Africa in the Western imagination" rather than portraying the continent in its true form Ramone, Jenni.
The endings of the two novels probably bear the most in common than anything else. Besides that, the perception and treatment of Africa and its inhabitants are very different between the two novels.
Conrad was purposefully vague in his setting for Heart of Darkness; he never actually named the destination to which Marlow journeyed. These literary works reveal opposing viewpoints of Africa through the use of literary and stylistic devices.
In conclusion, there are more differences than similarities between these two novels. New Delhi: Allied Publishers, They were treated like animals and slaves.
One can also discount many other potential purposes for the book, because of the many racial attitudes Marlow takes.