Find a computer you are interested in and copy the model number of it's processor/CPU:

Example: 

  • Intel Core Ultra 7 155U
  • AMD Ryzen 7 350

Intel

  • Go to https://ark.intel.com
  • Click Search in top right
  • Choose processor from the list.
  • Enter the processor model number in the search bar. 
  • Look for “Launch Date” in the product details. 
     

AMD

  • Go to AMD’s Product Page at https://www.amd.com/en/products.html
  • Enter the processor model number in the search bar at the top right.
  • Choose the processor from the list. 
  • Look for "Launch Date" under ‘General Specifications’