It's reported that upon a closeup inspection of the die a layer normally seen at the top of AMD's X3D parts is no longer visible and is suspected to be underneath the die. It also appears that whoever provided the images used a Thermal Grizzly Delid-Die-Mate originally designed for the Ryzen 7000 series CPUs,

AMD will introduce it first Zen 5 processor(s) with 3D V-cache bolted on in about a week and a half but some retailers aren't waiting.

If you’ve been eagerly waiting to know more about the highly anticipated, gaming-focused variant of the Ryzen 9000 CPU series, then the recent 9800X3D leaks are likely good news for you. AMD already confirmed that it was going to announce Ryzen 9000X3D chip variants on November 7,