Gallery: The top 20 supercomputers in the world

​2. Tianhe-2

Tianhe-2 held the top spot from June 2013 until TaihuLight spun up. It's also located in China, at the National Super Computer Center in Guangzhou.

  • Total cores: 3,120,000
  • Rmax(TFlops/s): 33,862.7
  • Rpeak (TFlops/s): 54,902.4
  • Memory: 1,024,000 GB

Image: CNET

By Brandon Vigliarolo

Brandon writes about apps and software for TechRepublic. He's an award-winning feature writer who previously worked as an IT professional and served as an MP in the US Army.