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AMD initiates revenue shipments of ‘Carrizo’ hybrid processors

Advanced Micro Devices initiated revenue shipments of its new “Carrizo” accelerated processing unit in the first quarter of this year. The chips have been validated by PC makers and they are on-track to introduce systems powered by the latest A-series APUs in the second quarter of 2015.

“We also successfully passed several key milestones in the [first] quarter as we prepared for the introduction of our new 2015 APU and GPU products, including first revenue shipments of our next-generation Carrizo family of notebook APUs in advance of system launches planned for the second quarter,” said Lisa Su, chief executive officer of AMD, in the company’s quarterly conference call with investors and financial analysts.

The company declined to reveal when exactly it started to ship its new APUs, but said the first shipments were “small” in terms of volumes. Nonetheless, it is still noteworthy that the new accelerated processing units are already in mass production and have been validated by PC makers.

amd_presentation_carrizo_7

AMD’s code-named “Carrizo” APU was developed from the ground up for ultra-thin notebooks in mind. The chip was designed using high-density libraries of elements and AMD engineers used a number of tricks to reduce leakage and cut-down power consumption. The chip is also made using a 28nm process technology optimized for minimum power consumption. In addition, “Carrizo” incorporates voltage adaptive operation, or, adaptive voltage and frequency scaling (AVFS) technology, which adjusts frequency and voltages of different parts of the APU in real-time. Finally, “Carrizo” features a new S0i3 power state, which achieves the same power level as the S3 state (standby), but can be activated on the fly under the control of power management at sub-second time frames.

amd_presentation_carrizo_2

The new “Carrizo” accelerated processing units feature four x86 cores based on the “Excavator” micro-architecture, Radeon R7 graphics processing unit with 512 stream processors featuring GCN 1.2 architecture, advanced multimedia engine with hardware 4K/UHD video decoding, a dual-channel DDR3 memory controller as well as an built-in I/O controller. The “Carrizo” is the first APU to comply with heterogeneous system architecture (HSA) 1.0 specification, therefore, eventually it will take maximum advantage of GPU-accelerated programs.

Since “Carrizo” was primarily designed with notebooks in mind, it has a number of limitations when it comes to performance as well as frequency scaling. To minimize power consumption, AMD did not enhance any component of the APU to maximize its performance. Due to low-power 28nm process technology as well as very dense design, the “Carrizo” chip will not be able to run at truly high frequencies. As a result, while the “Carrizo” may be a great APU for low-power mobile devices, it will not scale beyond that market.

amd_presentation_carrizo_1

It is unclear when exactly AMD and its partners plan to formally launch “Carrizo”-based products, but it is clear that either before or at the Computex 2014 trade show in early June.

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KitGuru Says: AMD’s “Carrizo” APU seems to be pretty impressive. It will hardly help AMD to recapture a lot of market share from Intel Corp. because the latter ships plenty of ultra-low-power system-on-chips that are probably even more energy-efficient than “Carrizo”. Nonetheless, high-profile design wins could bring AMD revenue that it badly needs. The question is, how many design wins does “Carrizo” have…

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5 comments

  1. I wish there was a more powerful Desktop version of Carrizo APU

  2. “It is unclear when exactly AMD and its partners plan to formally launch
    “Carrizo”-based products, but it is clear that either before or at the
    Computex 2014 trade show in early June.”

    I think you mean 2015 🙂

  3. And by the time the products actually appear/arrive, Carrizo may also be up against upcoming Braswell and possibly mobile Skylake. Possible reasons for that first shipments were “small” in terms of volumes…

    – Will be competing against Intel’s faster and more power efficient mobile chips for laptop design wins
    – More 2-in-1 tablet laptop hybrids (a category which AMD has hardly any presence): http://abcnews.go.com/Technology/wireStory/pc-sales-declined-quarter-30205395 quotes “One bright spot identified by Gartner was an increase in sales of laptop computers and hybrid models that combine features of tablets and laptops”…
    – Only for Windows laptop segment, as AMD is “not interested” in Chromebooks (see: http://www.kitguru.net/laptops/anton-shilov/amd-not-interested-in-chromebooks-mark-papermaster/ ), and also has not developed any official support for Android operating system…
    – More inventory issues again, as usual: http://seekingalpha.com/article/3076866-advanced-micro-devices-amd-ceo-lisa-su-on-q1-2015-results-earnings-call-transcript?page=4&p=qanda&l=last quotes “Relative to the computing and graphics business, I think we will complete the burn-off of our channel inventory in Q2 based on the current pace that we see. And then on the ramp-up of Carrizo, we will start shipping — we started shipping actually in Q1 a small volume of units. We’ll increase that as we go to Q2.”…

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  5. It would be less powerful than Kaveri…so there is no point.

    The High Density Libraries force AMD to go for lower clocks. So Carrizo would top out at something like 3.5 Ghz with 3.7 Ghz boost.

    Which makes it on par or weaker than Kaveri…thus there would be absolutely no point in even releasing it….especially since they would have 0 OC headroom due to their HDLs totally trashing that.

    Carrizo just scales far too poorly beyond 3.5 Ghz.

    Sure…their GPU would probably be stronger…but consumers generally look at CPU performance first…and if that one sucks…the product will fail even if the GPU was on the level of a 290X (Which of course it isn’t).

    Not to mention Kaveri can easily do 3.5 Ghz at 65 Watt, too…but Carriz doesn’t quite have what it takes to do 3.5 Ghz at 45…so yea. Double pointless. xD