A few good links available in Jeffrey’s missive are worthy reads.
How does the iPhone X camera– or any other highly rated smartphone camera– compare to today’s crop of 21st century DSLRs?
It’s hard to beat the physics of lens size, but the results are stunning.
If beauty is in the eye of the beholder, then so is the quality difference between iPhone X portraits and similar photos shot with a high end DSLR. Rene Ritchie did a wonderful comparison between a Canon 5D Mark III with a standard 50mm f/1.4 lens vs. iPhone X’s new Portrait Mode.
You’ll be surprised at which camera won, but see if you can tell which camera took which photo.