While we already know much of what there is to know regarding Intel’s Skylake lineup of processors, the company tonight has officially taken the wraps off of the CPUs. As expected, the Skylake lineup consists of four different series, including the Y-Series that will power the 12-inch MacBook and the U-Series that will power the MacBook Air.

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The Y-Series, formally known as the Core M line, has seen the biggest changes this year. The chips have been redesigned to be even smaller and more dense than before. Intel is also splitting the Y-Series up into a whole family of processors, including the Core m3, Core m5, and Core m7. The biggest different between the Core m3, Core m5, and Core m7 come with the processor clocks and maximum graphics clocks for the Intel HD 515 GPU. Core m3, Core m5, and Core m7 have max graphics clocks of 850MHz, 900MHz, and 1GHz respectively. Intel further claims that the Y-Series processors offer up to ten hours of battery life and 40 percent greater performance than last year’s Core M.

Intel says that its U-Series chips will be 10 times faster than the previous generation Broadwell chips, with 34% faster graphics. The chips are also expected to offer up to 1.4 hours longer battery life than last year’s and use Intel 520 HD Graphics. There will be one i7, one i5, one i3, one Pentium, and two Celerons available, not including vPro chips. The chips are destined for MacBook Air models, with their strong combination of battery life and performance.

Intel says that its Xenon and Core platforms will offer new ports as part of the Skylake refresh. This means that more devices will feature Thunderbolt 3 and USB Type-C. The chips also all support powering 3 4K monitors simultaneously.

More specific details are available in the press release below and in this document. The processors will start to be available over the coming months.