Stefan Mileschin

A lot is riding on AMD's upcoming desktop CPU socket, codenamed AM4. Some of the first motherboards based on this socket are expected to launch in March 2016. What makes the socket particularly interesting (and important) is that it's a transition point for AMD's two major CPU architecture generations - "Excavator" and "Zen." Excavator is an incremental upgrade of AMD's less than successful "Bulldozer" architecture, while "Zen" is its next major one. AM4 is also going to be a common socket for AMD's desktop APU and many-core CPUs.

Some of the first socket AM4 APUs could be "Bristol Ridge." Succeeding the company's "Carrizo" APUs, it will be available in both socket AM4, supporting DDR4 memory, and FP4, supporting both DDR3 and DDR4. This chip will implement "Excavator" CPU cores. In its AM4 avatar, "Bristol Ridge" will offer up to four CPU cores, with TDP ranging between 45W-65W, and with support for DDR4-2400 memory. Later in 2016, AMD could debut its first "Zen" multi-core CPUs, which feature the company's next-gen, performance-focused CPU cores.

http://www.techpowerup.com/218225/am...hitecture.html