AMD GPU transcoding support in Plex is limited but improving. Here's the current state and how to make it work.
As of 2026, Plex supports AMD hardware transcoding on Linux via VA-API (Video Acceleration API). Windows support for AMD GPUs in Plex is not officially available — Plex on Windows only supports Intel Quick Sync and Nvidia NVENC for hardware transcoding.
On Linux, install the AMD GPU driver (amdgpu) and the VA-API packages: sudo apt install mesa-va-drivers vainfo. Run vainfo to confirm your GPU is detected and lists encode/decode profiles. In Plex, enable Settings → Transcoder → Use hardware acceleration when available.
If running Plex in Docker, pass the GPU device: --device=/dev/dri:/dev/dri. Also pass --device=/dev/kfd:/dev/kfd for newer AMD GPUs using ROCm. The container user needs to be in the 'video' and 'render' groups.
AMD's media engine is capable but generally behind Nvidia NVENC in encoding quality at equivalent speeds. The RX 7000 series significantly improved media encode quality. For most home Plex servers doing 1-3 simultaneous transcodes, AMD GPUs work fine on Linux.
If you need Windows support, more than 3 simultaneous transcodes, or tone mapping from HDR to SDR, Nvidia is still the safer choice. The Nvidia driver on Linux also supports NVENC natively in Plex without any extra packages. For a dedicated Plex transcoding box, a used Quadro P2200 ($60-80 on eBay) beats most AMD consumer GPUs for this specific use case.