Are you using a licensed version of the Blender plugin Enterprise or Studio, like for C4D?
The prime Blender free plugin version is limited to max 1x GPU.

ciao Beppe
Thank you for your help.
For cinema 4d, I use a subscription plugin (Enterprise).
For blender, I find it difficult to answer, I ...

Hello, tell me what it can be
In cinema 4d, octane works fast, but in blender it is noticeably slower. The render settings are the same.