Albuquerque, New Mexico is 45% larger than Atlanta.
Area: 501 km2 calculated
Albuquerque is the most populous city in the U.S. state of New Mexico. It is the county seat of Bernalillo County, and it is situated in the central part of the state, straddling the Rio Grande. Wikipedia
Area: 346 km2 calculated
Atlanta is the capital of and the most populous city in the U.S. state of Georgia, with an estimated 2013 population of 447,841. Atlanta is the cultural and economic center of the Atlanta metropolitan area, home to 5,522,942 people and the ninth largest metropolitan area in the United States. Wikipedia