We review the 2023 iMac, which now has an M3 chip and nothing else to distinguish it from the model it replaces.
Apple 2023 iMac All-in-One Desktop Computer with M3 chip: 8-core CPU, 8-core GPU, 24-inch Retina Display, 8GB Unified Memory, 256GB SSD Storage, Matching Accessories. Works with iPhone/iPad; Pink
Apple iMac M3 2023 review: Familiar look, all-new performance
Apple iMac review (2023): Nothing's changed, except the M3
Apple iMac review (2023): Nothing's changed, except the M3
Apple iMac 24-Inch (2023, M3) Review
Apple iMac M3 (2023) Review: Everything You Could Want in an All-in-One - CNET
M3 iMac Review After 45 Days - Avoid My Mistake!
Apple's New M3 Chips Power Refreshed iMac, MacBook Pro 14 and 16 - CNET
Apple announces refreshed 14-inch, 16-inch MacBook Pros and iMac with next-generation M3 chips: Digital Photography Review
M3 24-inch iMac review roundup: from raves to disappointment
Mac year in review, 2023: Big wins for new hardware, but minor software updates