Built on an improved 14 nm process (14FF+), Kaby Lake features faster CPU clock speeds, clock speed changes, and higher Turbo frequencies. Beyond these process and clock speed changes, little of the CPU architecture has changed from Skylake, resulting in identical IPC (Instructions Per Clock).
Under new policies established in January 2016, Microsoft only supports an NT 10.0-based Windows platform on newly-released CPU microarchitectures, beginning with Kaby Lake and AMD Bristol Ridge. Therefore, Microsoft only supports Kaby Lake under Windows 10, and Windows Update blocks updates from being installed on Kaby Lake systems running versions older than Windows 10. In support of this restriction, Intel provides chipset drivers for Windows 10 only, although VirtualBox provides drivers for other versions. An enthusiast-created modification was released that disabled the Windows Update check and allowed Windows 8.1 and earlier to continue to be updated on Skylake and later platforms.
Kaby Lake has a critical flaw where some short loops may cause unpredictable system behavior. The issue can be fixed if the motherboard manufacturer releases a BIOS update with the fix.
Maximum PCIe Lanes: 16. Release date: Q1 2017.
In late 2016, it was reported that Intel had been working on a processor family codenamed “Kaby Lake R” ("R" for "Refresh"). On August 21, 2017, the eighth generation mobile CPUs were announced. The first products released were four "Kaby Lake R" processors with a 15W TDP. This marketing is distinct from previous generational changes of the Core product line, where a new generation coincided with a new microarchitecture. Intel has stated that the 8th generation would be based on multiple microarchitectures, including Kaby Lake R, Coffee Lake, and Cannon Lake.
Maximum number of PCIe lanes: 8. One-package processors with AMD Radeon discrete graphics chip - it is connected with main CPU core using an on-package PCI Express link. The Radeon GPU connects to its on-package HBM memory through an embedded multi-die interconnect bridge (EMIB). Release date: Q1 2018.
On August 28, 2018, Intel announced a refreshed lineup of ultra low power mobile Kaby Lake CPUs under the moniker Amber Lake.
On August 21, 2019, Intel announced their 10th generation Amber Lake ultra low power CPUs.
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