Friday, February 12th 2016
AMD "Zen" Processors to Feature SMT, Support up to 8 DDR4 Memory Channels
CERN engineer Liviu Valsan, in a recent presentation on datacenter hardware trends, presented a curious looking slide that highlights some of the key features of AMD's upcoming "Zen" CPU architecture. We know from a recent story that the architecture is scalable up to 32 cores per socket, and that AMD is building these chips on the 14 nanometer FinFET process.
Among the other key features detailed on the slide are symmetric multi-threading (SMT). Implemented for over a decade by Intel as HyperThreading Technology, SMT exposes a physical core as two logical CPUs to the software, letting it make better use of the hardware resources. Another feature is talk of up to eight DDR4 memory channels. This could mean that AMD is readying a product to compete with the Xeon E7 series. Lastly, the slide mentions that "Zen" could bring about IPC improvements that are 40 percent higher than the current architecture.
Source:
HotHardware
Among the other key features detailed on the slide are symmetric multi-threading (SMT). Implemented for over a decade by Intel as HyperThreading Technology, SMT exposes a physical core as two logical CPUs to the software, letting it make better use of the hardware resources. Another feature is talk of up to eight DDR4 memory channels. This could mean that AMD is readying a product to compete with the Xeon E7 series. Lastly, the slide mentions that "Zen" could bring about IPC improvements that are 40 percent higher than the current architecture.
130 Comments on AMD "Zen" Processors to Feature SMT, Support up to 8 DDR4 Memory Channels
Besides, AMD is merely catching up with Intel with that "SMT" and "40% more IPC" that they mention so much (the extra IPC comes most surely from fixing the Bulldozer mess and implementing one FPU per core). They're lucky that Intel are so technologically stagnated as of currently, if not AMD could probably never catch up with them in terms of performance.
Zen has a good chance on fixing the bad picture I currently have about AMD due to the Bulldozer fiasco. Let's hope they don't drop the ball again.
BTW, I'd really love to know how many PCIe lanes will Zen CPU's have....
To be honest, I don't see even Cannonlake reaching a big performance leap. If the difference between 28 nm and 14 is that minimum, from 14 to 10 it'll probably be even less.
I'm not putting myself in AMD's side anyway...it's only natural for progress to be slower as silicon limits are reached. AMD is just catching up to Intel with Zen after Intel already reached the goal line, that's all.
I guess I want to see another one of those "killer apps", but you have to remember "according to EA" *cringe* Crysis didn't sell well at all. I wonder how much it would have sold if Crysis was released 4-5 years ago, during the time which the majority of people still had interest in First Person Shooters. Someone would really have to think everything through before even engaging in development.
OT: To me personally "Zen" just looks too good to be true since it has been a long time since I've seen a good CPU improvement over AMD Phenom offerings. Like most people, I will wait for some game benches and either be blown away, or just keep shaking my head in disappointment.
Going Phenom II X6 -> I5-2400 didn't seem like much of an upgrade for me, but I was wrong since most games still run better on Intel hardware for some obvious reasons and some that are unknown to me.
My expectations are: A reasonably priced, four core 95W TDP CPU that's on par with a "Haswell" i5 in game performance. Not a very tall order, they should be able to pull it off and hopefully they do.
From my point of view it doesn't even look like Intel and AMD are competing in the consumer/enthusiast market anymore (did I miss something?). It's just AMD playing in Intel's sandbox and it's looks plain embarrassing to me. I don't think it's good for them, and definitely not good for us consumers, but most people here know that already.
A 40% improvement in IPC will still leave them behind Intel.
4c-32c chips designs available...
dont fail me now amd, i wanna make a custom thin mini-itx build (apu powered with ac wifi) that packs a punch and i can still "haul" it whenever needed between places (only 4 cables on each place needed: pwr, kb, mouse, hdmi; kinda like with a docking station and a laptop) without having to carry it on a bag on on my shoulder.
No mention of the avaliable PCIe lanes thou.....let's hope thay don't skim on them. If they don't indeed, and (more importantly), AMD DELIVERS, then maybe that's gonna be my next CPU.