Apple’s M3 gives the new 24-inch iMac a big speed boost, but little else

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  The new iMac comes in the same seven colors as the old one. [credit: Apple ]

NEW YORK—The new MacBook Pros are the biggest news from Apple's October Mac event, but one other model got a long-overdue refresh, too—the 24-inch iMac, most recently refreshed with an Apple M1 processor in June 2021.

Apple iMac

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The new iMac is available for order today, and the first ones will arrive on November 7. The base model, which includes an M3 with an 8-core GPU, 256GB of storage, two Thunderbolt ports, a non-Touch ID keyboard, and 8GB of RAM, starts at $1,299. An upgraded version with a 10-core GPU, a power brick-mounted gigabit Ethernet port, two additional USB-C ports, and a Touch ID keyboard starts at $1,499. Those prices are $1,249 and $1,399, respectively, for education users.

The most important upgrade—and really the only one of note—is an upgrade to the new M3 chip. Because it was the only Mac to totally skip the M2, the new iMac hops forward two generations at once. Apple says that the M3's four high-performance CPU cores are up to 30 percent faster than those in the M1, and that its four high-efficiency CPU cores are as much as 50 percent faster. Apple says that the 10-core GPU in the M3 is up to 2.5 times faster than the M1, and that its 16-core Neural Engine is up to 60 percent faster.

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