What's the Difference Between the Panasonic S5 II and the S5 IIX?

Besides the “X” of course, let's break down the difference between these two cameras.
Besides the “X” of course, let's break down the difference between these two cameras.

Panasonic Lumix S5 II vs S5 IIX: what's the difference and which is right for you?: Digital Photography Review

Panasonic Lumix S5 IIX Mirrorless Camera with 50mm Lens Kit B&H

Panasonic's S5 II and S5 IIX Finally Bring Phase Detection AF to Lumix

Panasonic - Panasonic LUMIX S5 II X

Tilta Full Camera Cage Compatible with Panasonic S5 II/IIX (Black), Custom Designed, Mount Accessories via NATO Rail, Rosette, Cold Shoe, and 1/4-20 Threads with Locating Pins

Panasonic Lumix S5 IIX reviewed: Some significantly upgraded video capabilities

Panasonic Lumix S5 II Just Edged Out Sony & Canon – Hands On Review! - The Slanted Lens

How is the LUMIX S5 IIX Different from the S5 II?

Panasonic S5 II, S5 IIX: price, specs, release date revealed - Camera Jabber