A 3GB Raspberry Pi 4 for $83.75, and more memory-driven price increases
raspberrypi.com
raspberrypi.com
The Zero 2 and Pi 3 still remain the best value for a Pi in this era. Apparently they both use LPDDR2 RAM, and Raspberry Pi has abundant supply of it.
There was a time when computers just got faster and better so fast that you could barely get one set up at home before it was obsolete.