AMD Zen CPU Block Diagram Released

RUMOR

| Source: wccftech Author: Mark Campbell

AMD Zen CPU Block Diagram Released

An AMD CPU Block Diagram of their new Zen Architecture has been released, and right now the Zen architecture looks promising.

AMD's Zen CPU cores are rumored to be coming in 2016 on Global Foundries' 14nm FinFET process and from the CPU block design we see below AMD will be focusing on Zen's per core CPU performance, rather than focusing on delivering more, but limited, CPU cores.

Rather than iterating on the AMD Bulldozer CMT design, AMD has returned to a single fetch, single decode design. This means that AMD is focusing on a single more powerful CPU in it's CPU block rather than 2 weaker CPU parts that share resources. As we can see below AMD will be widening the Integer Pipeline of Zen by 50% compared to excavator and will be replacing the dual 128-bit Floating point schedulers with dual 256-bit schedulers, which together should allow AMD's new cores to have dramatically better integer and floating point performance per CPU core, especially as the CPU's Floating point units no longer feed two CPU cores.

So far the AMD Zen CPU cores are looking a lot like the Phenom's of the past, which fills me with a lot of excitement as I used to own an AMD Phenom II 1090T, one of AMD's best CPUs of recent years, which was sadly replaced by the rather disappointing AMD Bulldozer lineup.

AMD's Zen CPUs will debut in 2016 with Summit Ridge, which will come with a new socket and with DDR4 support, which should hopefully bring AMD back into the races against Intel who have been rather relaxed when it comes to CPU performance improvement, focusing more on mobile and other low power applications.

In summary we should expect to see a significant leap in CPU core performance with AMD's Zen processor, thanks to a doubling of floating point capacity and a increase in single threaded integer capability. AMD's move to focus on more powerful single threads will hopefully help them to gain ground back from Intel when it launches next year, but we must remember that they have a lot to ground to cover in order to catch up with Intel in terms of single threaded performance.

You can join the discussion on AMD's Zen CPUs and it's focus on Single threaded performance on the OC3D Forums.

An AMD CPU Block Diagram of their new Zen Architecture has been released and it looks promising.http://www.overclock3d.net/articles/cpu_mainboard/amd_zen_cpu_block_diagram_released/1 Posted by OC3D on Tuesday, 28 April 2015

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