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: Everything You Could Want in an All-in-One - CNET
Apple iMac M3 (2023) Review: Beautiful but basic - Reviewed
iMac (M3, 2023) review: Still alive and well
I tested the Apple iMac (M3, 2023) and here's my review
Apple iMac M3 review: good in everything, or almost - Gearrice
Apple iMac M3 (2023) Review: Everything You Could Want in an All-in-One - CNET
Apple 2023 MacBook Pro Laptop M3 Max chip with 14‑core CPU, 30‑core GPU: 14.2-inch Liquid Retina XDR Display, 36GB Unified Memory, 1TB SSD Storage. Works with iPhone/iPad; Space Black : Electronics
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iMac M3 review: Apple's iconic all-in-one gets a shot in the arm