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AMD Ryzen

AMD Zen Ryzen

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#141
Valsuelm

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AMD’s next-gen Ryzen processors could arrive in just a couple of months

#142
Zoraptor

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Theoretically they're coming Q2 2018 from AMD's financial reports, which would be March at the earliest. Would not be surprised if they get pushed up to February given that the yields have been so good with original Ryzen. Probably +~500Mhz overhead on the clocks and up to 5% IPC boost which is a nice boost to both and would lift IPC to almost Sky/ Kaby/ CoffeeLake levels, albeit still with a relative clock deficit.

 

Naming system is a little confusing though since Ryzen 2 will be '12nm' 'Zen+' rather than the '7nm' 'Zen2'. And the Ryzen (1) mobile chips are already using a 2### naming scheme as well.


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#143
injurai

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Yeah, it's not really the next-generation, it's just an increment on their current architecture. But don't let me get in the way of the under-dogs marketing.



#144
Valsuelm

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Yeah, it's not really the next-generation, it's just an increment on their current architecture. But don't let me get in the way of the under-dogs marketing.

 

Which is not much different than the 'over-dog's' marketing.

 

The potentially important changes with the 'next gen' processors from AMD are going to be in the chipsets (if there are any new ones), not the processors themselves.

 

I'm very interested to see details myself, as I'm intending on building a new rig soon.


Edited by Valsuelm, 17 December 2017 - 08:59 AM.


#145
injurai

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You'll have to define what you mean by "chip-sets" and "processors" for me.



#146
Valsuelm

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You'll have to define what you mean by "chip-sets" and "processors" for me.

 

Are you unaware of what chipsets are? Serious question, as a lot of people don't know. In fact, in my experience a lot of people who consider themselves knowledgeable about computer hardware don't even know.

 

Here's a decent article for the layman on what chipsets are:

https://www.howtogee...-should-i-care/

 

Put simply:

 

Processor X (AMD or Intel) requires chipset Y to run on. Sometimes Processor X can run on multiple chipsets, sometimes one specific chipset is required. Historically AMD has tended to be more backwards compatible than Intel has been.

 

The chipset determines CPU compatibility, memory compatibility, what features are available to motherboard manufacturers to put on their motherboards, how many of feature X is available (ie: how many PCI, USB, SATA channels there are, and what type), etc


Edited by Valsuelm, 17 December 2017 - 10:32 AM.


#147
injurai

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Computer engineers don't really think in terms of chipsets, it's more of a consumer facing abstraction judging by that link. I've been out of the BYOPC market for a while, It's a familiar term but I don't ever it carrying any significant water even when I last built a rig. From what I'm reading, the idea of a chipset just seems to muddy the water of cpu sockets and hardware abstractions in general.

 

I'd expect Ryzen 2 to remain on the same socket type, while rolling out any architecture optimizations features or extensions that came up short in the first rollout.


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#148
Zoraptor

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Ryzen 2 and Zen 2 (presumably Ryzen 3) will all use the same socket, AM4. The current chipsets for AM4 are 300 series ones, 300, 320, 350 and 370 iirc, with more features as you go up the numbering. 400 series chipsets are very strongly rumoured to be released with Ryzen 2, so it's likely that 500 series chipsets will come with Zen2/ Ryzen3. Theoretically all the processors and all the chipsets can be compatible due to using the same socket, so long as the MB manufacturers support them in BIOS.

 

Intel is, as always, Intel when it comes to sockets and chipsets. Their current socket is LGA1151 and has 2 incompatible revisions but rather than renaming one they're called the same. Sky- and kabylake will work on 100 and 200 series chipsets (with BIOS flash) but Coffeelake only works on 300 series and neither of the other two do.

 

Chipset is a very important consideration, especially for Intel where overclocking is locked to both the 'k' processors and 'z' chipsets/ motherboards. While a Z and H MB of the same chipset series have the same socket if you buy an unlocked Intel processor and put it in a cheap H series MB you cannot overclock it and lose a lot of the value.

 

 

Yeah, it's not really the next-generation, it's just an increment on their current architecture. But don't let me get in the way of the under-dogs marketing.

 

Which is not much different than the 'over-dog's' marketing.

 

 

Yeah, Sky-, Kaby- and Coffeelake are all the same architecture which is why they have near identical IPCs. For Skylake and Kabylake especially there's very little to justify a new generation number and the 7700k really ought to be a Devil's Canyon like '6790k'. Coffeelake has the extra cores though, so fair enough.

 

A 5% IPC increase if AMD manage it would also be more than Intel has managed since... Sandy Bridge from Nephalim, I think. Intel's IPC even went down from Broadwell (non E) to Skylake, albeit because Broadwell was a 'failed' gen and the only desktop chips produced from it used EDRAM.


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#149
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The first Ryzen based APUs are out to the public, 2200G (4core/4thread Ryzen CPU, 8 Vega cores) and 2400G (4/8, 11 Vega cores). Very competitive performance and the 2400G's iGPU cores are competitive with a low end dedicated GPU (sometimes better, sometimes worse) despite the limited bandwidth. The laptop and desktop chips are supposedly the same, with the laptop ones being undervolted to save power. Despite their names they are 'Ryzen 1' rather than 'Ryzen 2'. As with all Ryzens they really need fast RAM and dual rank/ channel to get the most out of them; and a decent overclock helps a lot too. Due to their APU nature both also improve the iGPU performance significantly as well.

 

Still, should be a very nice chip for true budget gaming and in laptops.







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