https://thenextweb.com/apple/2020/08/04/apple-just-gave-the-27-inch-imac-a-major-spec-bump-and-a-matte-display-option/

Apple today made a surprise update to its line of iMacs — in more ways than one. While we were expected an upgraded iMac sometime this year, rumors had pointed to an all-new design that would be more akin to an iPad Pro than the iMacs of yore.

Instead, these new iMacs look the same as the old iMacs, but with some substantial improvements to the internals. The key upgrades for the popular 27-inch model include: