Why does Plex struggle with high bitrate 4k?

Server Version#: latest
Player Version#: latest on SHIELD
<If providing server logs please do NOT turn on verbose logging, only debug logging should be enabled>

Why does Plex struggle with very high bitrate 4K, but VLC plays them just fine? I set everything to direct play, but anything over 8mb/s has problems. When I try to adjust this, where it says ‘play original’ quality, the highest is 8mb/s.. Does that mean Plex is not capable of anything over 8mb/s ??

I am trying to watch a movie that is like 30mb/s and I can watch it flawlessly on VLC, but on Plex it just skips and skips..

I am using Nvidia SHIELD new version. All updates to server and client are current.

It shouldn’t… and to be fair, I wouldn’t call 8 Mbps „high bitrate“.

What’s showing on your server’s dashboard while streaming this video on the Shield?
Specifically, is the stream listed as local / remote / indirect and is it transcoded?
Exemplary screenshot from the "now playing" section
https://support.plex.tv/articles/200871837-status-and-dashboard/