they look identical to me. Sexton looks to have more length which is more important
Garland has more skill, can actually play PG, doesn't make all his teammates hate him. Even if Sexton is longer everything else that matters Garland has the edge in. Garland also starting to come around after a rough start to the season. Which shouldn't have been that shocking giving he didn't really play in College or Summer League so needed to get back in game shape.