Goldmont

 
Goldmont is a microarchitecture for low-power Atom, Celeron and Pentium branded processors used in systems on a chip (SoCs) made by Intel. They allow only one thread per core.
The "Apollo Lake" platform with 14 nm Goldmont core was unveiled at the Intel Developer Forum (IDF) in Shenzhen, China, April 2016. The Goldmont architecture borrows heavily from the Skylake Core processors, so it offers a more than 30 percent performance boost compared to the previous Braswell platform, and it can be used to implement power-efficient low-end devices including Cloudbooks, 2-in-1 netbooks, small PCs, IP cameras, and in-car entertainment systems.
Design.
Goldmont is the 2nd generation out-of-order low-power Atom microarchitecture designed for the entry level desktop and notebook computers. Goldmont is built on the 14 nm manufacturing process and supports up to four cores for the consumer devices. It includes the Intel Gen9 graphics architecture introduced with the Skylake.
The Goldmont microarchitecture builds on the success of the Silvermont microarchitecture, and provides the following enhancements:
Erratum.
Similar to previous Silvermont generation design flaws were found in processor circuitry resulting in cease of operation when processors are actively used for several years. Errata named APL46 "System May Experience Inability to Boot or May Cease Operation" was added to documentation in June 2017 stating that Low pin count, Real time clock, SD card and GPIO interfaces may stop functioning.
Mitigations were found to limit impact on systems. Firmware update for the LPC bus called LPC_CLKRUN# reduces the utilization of the LPC interface which in turn decreases (but not eliminates) LPC bus degradation - some systems are however not compatible with this new firmware. It is recommended not to use SD card as a boot device and to remove the card from the system when not in use, other possible solution being using only UHS-I cards and operating them at 1.8 V.
Congatec also states the issues impact USB buses and eMMC, although those are not mentioned in Intel's public documentation. USB should have a maximum of 12% active time and there is a 60TB transmit traffic life expectancy over the lifetime of the port. eMMC should have a maximum of 33% active time and should be set to D3 device low power state by the operating system when not in use.
Newer designs such as Atom C3000 Denverton do not seem to be affected.
List of Goldmont processors.
Desktop processors (Apollo Lake).
List of desktop processors as follows:
Mobile processors (Apollo Lake).
List of mobile processors as follows:
Embedded processors (Apollo Lake).
List of embedded processors as follows:
Automotive processors (Apollo Lake).
There is also an Atom A3900 series exclusively for automotive customers with AEC-Q100 qualification:
Tablet processors (Willow Trail).
Willow Trail platform was canceled. Apollo Lake will be offered instead.