Mediatek MT6797 Helios 20 deca (11!) core A72/A53 - 'triculster' 64Bit-SoC + GPU Mali T880MP4

Discussion in 'MTK' started by ATAB, May 11, 2015.

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  1. ATAB

    ATAB Staff Member Global Moderator

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    Mediatek MT6797 'Helios 20' 10(11!) deca core 2xA72/4xA53/4xA53 (high/medium/low demanding tasks) + Mali T880MP4

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    Industry's first Tri-cluster

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    'Tricluster'
    2 x Cortex A72 cores => 2.3-2.5 GHz
    4 x Cortex A53 cores => 2 GHz
    4 x Cortex A53 cores => 1.4 GHz
    Correction:
    There are even 11-cores!
    A Cortex-M4 companion-core

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    Used e.g. for MP3 playback, speech enhancement etc.

    What does this mean?
    There SoC contains a staggering and odd number of cores - it is 10.
    They are designed for different workloads - but by Principle they feature all the same instruction set and basic capabilities. There is hardly anything that one core can not do if another can - but at different speed at a different power usage envelop.

    As you can see there are two different cores implemented - one group of just two but powerful A72 that are expected to run at very high speeds as well. You can expect the best single thread performance from them - but most likely at a higher cost of energy and heat.

    For lower demanding tasks Mediatek has added not one but two clusters of A53 cores. They share most features but one cluster can only run at max. speed of 1.4Ghz for low and less time critical stuff and one at a still impressive 2Ghz for higher workloads.
    The idea is that in conjunction of all three clusters - to find for each task the best and most efficient cluster to do the work and optimize power.
    And in addition all cores can - at least for some time - work hand in hand to conquer all benchmarks spots there are for multi-threading. It will be a benchmark monster for sure.

    But will this work efficiently and posses advantages over other solutions?
    I am nor sure - it sounds like a little overkill. But more cores ..the better the turn out rate of the crowd. Even Qualcomm accommodates this idea no with the upcoming 818.

    Controlled and run by CorePilot 3.0 - the master for 10 cores!
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    Mediatek targets Qualcomm's 810 as the competiton
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    Other key features according to Mediatek:
    • MediaTek CorePilot 3.0 - allowing to have all cores working simultaneously (!)
    • Dual-channel LPDDR3 memory clocked at 933MHz [a little on the downside]
    • 2K on device display (2560x1600)
    • Camera up to 20 mio with 120Hz mobile display
    • 480fps 1080p Full HD Super-Slow Motion video feature
    • Integrated, low-power hardware support for H.265 Ultra HD (4K2K) video record & playback,
    • Support for Rel. 9, Category 4 FDD and TDD LTE (150Mbps/50Mbps), as well as modems for 2G/3G networks
    • Support for Wi-Fi 802.11ac/Bluetooth®/FM/GPS/Glonass/Beidou/ANT+
    • Multi-mode wireless charging supported by MediaTek’s companion multi-mode wireless power receiver IC"
    • Mali T880 MP4 GPU (one of the Mali latest - but a rather low count on cores)
    • being build on 20nm !? Some say so...
    • Said 40% performance increase over current Mediatek's offering
    • not officially announced yet - but products expected very late in 2015 or at the start of 2016
    Source: various

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    Should top their current strongest offer MT6595 by quite a margin in Antutu - will be interesting.

    Crazy world - the MT6595 is just out the door and Mediatek does it again.
    Expect products based on this in Q1/2016.

    Rumour: Deca Core from Qualcomm as well!
    But the funny thing - Qualcomm follows suit with there 818![​IMG]
    Surprise, surprise.... since Qualcomm started laughing at Mediatek for doing Octa Core not too long ago.
    But since then they revised their stand to it - it becomes more and more obvious.



    @mrkus21
     
    Last edited: May 13, 2015
  2. ATAB

    ATAB Staff Member Global Moderator

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  3. ATAB

    ATAB Staff Member Global Moderator

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    Some sources assume that Helios X10 might be by up to 40% be more power efficient than Helios10 (MT6965).
    2016 will judge this claim.

    ATAB
     
  4. ATAB

    ATAB Staff Member Global Moderator

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  5. ATAB

    ATAB Staff Member Global Moderator

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    If it really applies - great..but take it with a grain of salt!
     
  6. ATAB

    ATAB Staff Member Global Moderator

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    Somewhere in the web - the X20 (MT6797) gets already pinned just against the upper competition's middle class.
     
  7. ATAB

    ATAB Staff Member Global Moderator

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    it will be seen how it fares... it seem that Mediatek - although technically really trying to push the envelope - lost some track in the performance marketing... at least they stopped to make significant gains there...
    Or am I wrong?

    ATAB
     
  8. ATAB

    ATAB Staff Member Global Moderator

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    Is this really the first phone using MT6797?

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    Source: here

    ATAB
     
    Last edited: Feb 27, 2016
  9. ATAB

    ATAB Staff Member Global Moderator

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  10. ATAB

    ATAB Staff Member Global Moderator

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    X20 + TSMC 16nm = X25?

    I already heard something about a soon to be announced X25 which should be the 16nm version of X20.
    Interesting - maybe - after all the rumors about heating issue were not all made of air - or will be there so soon a follow up?

    ATAB
     
  11. ATAB

    ATAB Staff Member Global Moderator

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    Some impressive benchmarks
    99,948 AnTuTu score!
     
  12. ATAB

    ATAB Staff Member Global Moderator

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    It looks like that the clusters are here to stay looking at X30 with its now four clusters.

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