AMD Zen 8 Core Engineering Sample Runs at 3Ghz



/ 2 years ago

AMD Financial Analyst 2015 Zen 1

AMD’s upcoming Zen architecture is arguably the most anticipated hardware release this year. After years in the wilderness, AMD will finally come back with a new CPU design that will challenge Intel again on IPC, process node and power efficiency. According to the latest leak, it appears that Zen is progressing well enough that engineering samples have already been distributed to various partners for testing. This also means AM4 motherboards are already sampling as well.

These stepping A0 samples are that of the previously rumoured 95W, 8 core Zen CPU. That AMD has managed to get an 8 core CPU in a 95W thermal envelope is stunning and combined with the early engineering sample release, points to a strong 14nm LPP process. What’s more, the frequency isn’t a slouch, at 3Ghz base though boost isn’t enabled yet. This is pretty much the same as the base clocks for Intel’s own prosumer i7 5960X which sports 8 cores as well at 3Ghz base and 3.5Ghz boost. We can expect the Es to set the baseline so release Zen will almost certainly clock higher.

At 3GHz, the engineering sample is already faster than the first Bulldozer ones suggesting that 14nm LPP won’t be holding back frequency too much. After all, Intel’s own 14nm process has performed better than their 22nm. Samsung and Global Foundries have also had plenty of time to refine their 14nm process to ensure it will offer the best performance at launch. Hopefully, AMD will be able to be competitive in both IPC and overclocking.

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Comments

21 Responses to “AMD Zen 8 Core Engineering Sample Runs at 3Ghz”
  1. 12John34 says:

    Probably you never heard of FX 8300 that comes with 8 Piledriver cores at 95W TDP, 3300 base frequency and all that at 28nm. I can understand the need to make the article more spicy, but hey, there is nothing amazing into running 8 cores at 3GHz and 95W TDP. The amazing part will come when we see 16 core models at 95W TDP.

    • kaellar says:

      Frankly, Piledriver isn’t 8 cores itself, its 4 clusters that have 2 cores each but make those 2 cores to share a lot of stuff.
      If the rumors of 40% per-tact performace increase are true, it basically means that Zen could match current Intel CPUs in single core performance. And making eight of these cores running under 95w TDP is quite an achievement IMO.

      • 12John34 says:

        No it’s not. I have a Phenom II X6 1055T that can play at 3.5GHz with lower voltage than the default (it only needs 1.27V(form 1.35V) for 3.5GHz. So, at 45nm AMD could offer frequencies close to 3GHz, 6 cores and 95W TDP. At 32nm they could offer 8 cores, or 4 modules if you like and 95W. Still they could offer that at 32nm. Going down to 14nm is a huge step to consider 8 cores at 95W an accomplishment. No. At 14nm I am expecting to see 65W models with 8 cores and frequencies higher than 3GHz. At only 3GHz I expect to see energy efficient 8 core models with TDPs as low as 45W. 3GHz frequency and 95W is nothing special in 2016.

        • kaellar says:

          YES IT IS. There’s no reason to argue about core count and frequency alone, concidering Phenom cores are like 2+ times less per-tact performant comparing to recent Intel Core i.
          You may have a 6-core CPU at 3.5GHz, who cares if it’s 1.5 times slower overall than quad-core Intel CPUs.

        • iso9660 says:

          You are comparing processors of different architectures. It is like comparing an 8 core ARM with an 8 core Intel.

          • 12John34 says:

            Not really. I am comparing x86 architectures. Yes they are different, and it’s not exactly apples to apples, but they are all hi end cpus. I am not comparing ARM and x86 as you say. Not even close. I am not even comparing hi performance x86 like a i7 or a K10 with a low power x86 cpu like Bay trail and Jaguar.

          • qepsilonp says:

            Actually is a closer comparison than it has been in many years as AMD is going for a very “Intel like” design, The only thing there sacrificing is AVX performance which isn’t used in the consumer and prosumer space, So it wont matter.

        • slate says:

          Also rocking a Phenom II X6 1055T at home; undervolted at 3,4 GHz.
          With my 290 it can do BF4 (ultra settings with Mantle) at 90 fps on my 2560×1440.
          Yes as a CPU, a 83xx or i5/i7 would run circles around it, but it does whats needed.
          When doing development it performs as well as the 8350 and i7-xxxx we use at work when compiling; down to the second.
          That said I look forward too seeing both AMD and Nvidia moving again; not being locked at 28 nm manufacturing.

      • Dylan says:

        We won’t see eight cores with a 95-watt TDP for standard models. Possibly for lower-clocked “e” models.

    • Streetguru says:

      Ya, while it has 8 cores, they do share a FPU, these would be 8 independent cores, probably with whatever AMD is calling their hyper threading.

    • Dylan says:

      Nah, 16 cores will be at 140 watts and above. The 16-core APU will be a 300-watt part. What the article is referencing is that the engineering samples are clocked higher than Bulldozer. Consumer chips like the FX-8300 will clearly run faster.

    • Khader Karkar says:

      you mean 32nm

      • 12John34 says:

        Correct.So many 28nm stuff out there – AMDs APUs included – I guess I forgot that FX are at 32nm. Thanks.

    • qepsilonp says:

      For $350~ 3Ghz base 3.5Ghz boost with Haswell E like IPC… Yeah that’s pretty amazing.

  2. Diglo1 says:

    So that is 4 core 8 threads or 8 cores and 16 threads? If it’s 8/16 with 3,5ghz boost 95w tdp, that’s already a win for AMD… Despite turbo not being enabled, engineering samples are usually not the final product so 95w tdp is most likely meant for a little bit higher core clock (I HOPE!). But I expect 4/4 and 4/8 Zen Cpus going for 3,5ghz base and 4ghz turbo just like Intel do to actually close the single core performance gap while IPC is very close to Intel’s current. We must remember that FinFet has very much potential and this is just first generation of 14nm CPUs from AMD. Also Zen mainstream CPUs are not likely containing gpu part. Seems like AMD cpus will use around the same amount of power then Intel equivalents in power…

    • Dylan says:

      It would have been 8C/16T if it was real, however, the screenshots are fake. The core details are real, but the benchmark results are fake. It was part of an April Fool joke, released by Italian tech news site, Bits and Chips. All these other regurgitating news sources fell for it.

  3. Khader Karkar says:

    if they made a 14nm 5ghz monster intel would have problems as the new skylake have lots of troubles in oc above 4.8ghz

    • Dylan says:

      As much as it’d be cool to see, you won’t see that with Zen. It’s a moderate-clock, high-IPC architecture. Frequencies around that area will only be available from overclocking extremely good silicon. The 14-nm process is mature though, so I would expect clocks similar or above Broadwell-E’s octa-core. (AMD always seems to get the most out of the nodes it uses.)

    • juanrga says:

      Meanwhile people with access to engineering samples claims that AMD will be lucky if achieves 3.5GHz.

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