As can be seen in the table above, the Apple M3 Ultra chip should be an absolute workhorse of a chip, with its configuration offering up to 32 CPU cores and 80 GPU cores. In comparison, the M2 Ultra has 24 CPU cores (16x high-performance + 8x high-efficiency) and either a 60- or 76-core GPU. So, while the GPU part in the top-end M3 Ultra only gains +5% greater core count, the CPU component gets a tasty +33% bump in core count overall, and that bump is made up of all high-performance cores.
Gurman points out that despite these Apple M3 configurations appearing in developer logs, things could still be altered between their current state and market state. He also reckons there could be a change in memory capacity options and that the 3-nanometer based chips should start appearing as part of the M3 Mac generation in an October launch event, with the 13-inch MacBook Air, 13-inch MacBook Pro, and a 2023 iMac being the first M3-powered computers to be released.
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