They are both the same aircraft -
The 757 has 2 main variants: the 757-200 (752) and the 757-300 (753). The 757-200 is the more common variant, with around 1000 built. The 757-300 is longer and is used primarily for charter flights. Only around 50 were built.
The ICAO (Internation Civil Aviation Organisation) uses the codes '752' and '753' to shorten the name to use on radar etc.
A Boeing 757 weighs from 220,000 pounds up to a maximum of 255,000 pounds. The 757 is a mid-size jet airliner.
757
the cost of a Boeing 757-200 is $65 million and the cost of a 757-300 is $80 million
The Boeing 757 is a narrow body medium haul aircraft while the Boeing 777 is a wide body long haul aircraft and is much larger and is designed to fly international routes.
It honestly depends on what type of 757 you use. 757-200, -200F, -200WL, or -300 Boeing 757-200: 3,900 nautical miles Boeing 757-200F: 3,150 nautical miles Boeing 757-200WL: 4,100 nautical miles Boeing 757-300: 3,467 nautical miles
747
a Boeing 757 is a narrow body jet airliner
a 767 is bigger than a 757
From nose to tail, the Boeing 757 is 155' 3".
Maximum takeoff weight for a Boeing 757-300 is 123,600 kg (272,500 lb)
The 757 is a jet airplane. It does not have propellors.
The 757 is considerably larger.