Blender 3. Cycles X is fast and light in the viewport, but when Render is extremely slow and crash the PC after 2 samples. : r/blender
performance - Cycles Render CPU Usage Low with Dual Xeon - Blender Stack Exchange
What CPU and GPU are suitable for 3D modeling and rendering? Which ones are the best out there and which ones are good enough for beginners who are getting started in 3D
How to speed up Blender rendering
4 Easy Ways to Speed Up Cycles — Blender Guru
Blender 2.80 hybrid (CPU+GPU) rendering - speed and quality | RenderStreet Blog