This story was originally published 2021/01/19
8:28am PSTon Jan 19, 2021 and last updated 2021/01/20
2:58pm PSTon Jan 20, 2021. 

• Update
  Samsung has provided us with more details regarding the slow-motion video on the S21 Ultra, and confirmed that the larger sensor in the bigger phone is responsible for the difference

Samsung's various models for the S21 aren't all the same. If the price and physical size didn't clue you in, the spec sheets likely did. And nestled among the list of different named standards and numbers is a curious tidbit that escaped detection on launch day: While the lower-end Galaxy S21 and S21+ support 960 fps super slow motion video (in bursts up to 0.5s), the ostensibly more premium S21 Ultra, with its upgraded cameras, doesn't — or least, it doesn't natively.