From a Marxist viewpoint, Buddha was an early materialist who touched on dialectics. Buddha would have been aware of the debate about the relationship of “absolute” to “relative” but not any dialectical resolution of that debate.
Whereas Hinduism embraced the absolute, the rebellious Buddha taught about the relative world, the real world. His teachings are anchored in everyday life and all living things.
(source) For an opposing viewpoint, see here. ETA: And more on the absolute and relative here...