M1 iMac vs. M4 iMac: What’s the big difference?

Featuring the powerful M4 chip and the incredible capabilities of Apple Intelligence — all in its impossibly thin, all-in-one design — iMac is available in a parade of playful new colors.
Apple introduced the 24-inch iMac with the M1 chip back in April 2021 with an all-new model of the venerable all-in-one desktop Mac. Three and a half years later, the third iteration, powered by Apple’s state-of-the-art M4 has arrived. How do they compare?
Malcolm Owen for AppleInsider:‎Th