The cut-off date for Ventura is 2017 for MacBook Pros & iMacs. The oldest machines supported by macOS Ventura are from 2017, so there’s still life in your old Intel-powered machines yet. Here’s a full breakdown of the supported Macs for Ventura:

iMac – 2017 and later
iMac Pro
MacBook Air – 2018 and later
MacBook Pro – 2017 and later
Mac Pro – 2019 and later
Mac Mini – 2018 and later
MacBook – 2017 and later

streakmachine.10centuries.org.