Loss of the Persian War stopped Persian expansion into the Greek world. The Peloponnesian War so weakened the Greek world that it became an easy target for takeover by Macedonia, which was then able to harness the combined Macedonian-Greek forces to takeover the Persian Empire.
The persian war lasted way longer the the peloponnesian war and the persian wars was a whole bunch of different mini wars
For the Greeks, the Persian War was warding off Persian dominance. The Peloponnesian War was a protracted fight to terminate the Athenian Empire's attempt to dominate the other Greek city-states.
Both sought political and commercial hegemony .
Were you talking about the Greek Persian and Peloponnesian Wars? If so, the Persian war was between the invading Persians and the defending Greeks, who formed a league in which the military was led by one of the Spartan kings. (Sparta had two kings at the same time.) In the Peloponnesian War, it was the Delian League (Athens and allies) vs. the Peloponnesian League (Sparta and allies) Sparta ended up beating Athens after destroying their fleet.
The Persian War and the Peloponnesian War 449-431 BCE.
Two decades.
It allowed Athens to convert the anti-Persian alliance which it headed against the Persian Empire, after peace was arranged, into an empire of its own, which created a standoff withe the Peloponnesian League headed by Sparta. This standoff culminated in the destructive 27-year Peloponnesian War between the two blocs.
It put an end to Persian expansion to the west and led to the contest for power in the Greek world between Athens and its empire and the Spartan-led Peloponnesian League.
The Persian Wars ended in 449 BCE. 30 years later in 419 BCE, the devastating Peloponnesian War (431-404 BCE), between the Athenian Empire and the Peloponnesian League led by Sparta, was half way through.
Persia decided that the only way to get peace in the easern Medterranean was not to subdue the Greek urge to fight wars amongst each other but to leave them to get on with. Left to their own devices, the Greek city-states then unleashed the devastating Peloponnesian War between Athens and its empire and the Peloponnesian League led by Sparta.
The Persian wars were between the Greeks of the Eastern Mediterranean and the Persians. The Persians wanted to stabilise their empire while the Greek cities were rebelling within it or supporting those rebellions from the outside. After 50 years of warfare, the Greeks outlasted the Persians and an agreement for Persia to recognise their independence was arranged in 449 BCE. The Peloponnesian war was between the empire established by Athens out of the cities which allied to repel the Persians, and a Peloponnesian League headed by Sparta which opposed Athens when it transferred its attentions to its Greek neighbours. It lasted 431-404 BCE, at the end of which Athens lost the empire it had created.
It became a standoff between Athens and its empire and Sparta and its allies, leading to a resolution in the destructive Peloponnesian War.