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  1. #1
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    PS4 has Sub-Processor with 256MB of Ram


    "Xbox is about to become the next water cooler”

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    It's such a meaningless thing to have, it doesn't do anything for games. Cell phones have more power than that sub processor and ram.

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    [must learn to read articles properly]
    Last edited by victorijapoosp; 11-15-2013 at 14:42. Reason: IDIOCY
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    Maths is biased! It keeps telling me the PS4 is 50% more powerful than XboxOne!
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    Quote Originally Posted by FRIZL View Post
    It's such a meaningless thing to have, it doesn't do anything for games. Cell phones have more power than that sub processor and ram.
    First, maybe I should take a nap before my PS4 gets here. I read this as "PS4 has sub-processor with 256MB FAN." I was thinking, Well, you don't see that every day.

    Anyway, kind of depends on what it does. If it's there to take processor intensive but mundane housekeeping chores then it will allow games to perform better even though it's not used by games at all. It might be of little value, but on the other hand, you can do a lot for overall performance by routing low-priority background tasks onto slower processors with minimal RAM.

  5. #5
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    my bad )) sorry

  6. #6
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    Quote Originally Posted by victorijapoosp View Post
    The engineer has spoken... Oh wait. you don't have a clue what you are on about do you?




    The green highlighted unit is 2gb of ram extra, perhaps this is used by the secondary processor to record gameplay. Do you know what that means? No need to use the APU's horsepower for gameplay record. Developers can use all of it for development after the OS.
    it's unlikely, the secondary processor is there to run background tasks for the OS, background downloads, background installs, Facebook etc. the 256 GDDR3 RAM is there to facilitate that processors requirements.

    The Video recording probably buffers through a bit of the Reserved GDDR5, and two CPU cores.

    As the secondary processor has no heatsink (from what i've seen), consider its task seemingly trivial compared to what the main APU will be doing.
    Sig courtesy of the_jim


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    How do you know the 2gb of ram and this processor isn't just being reserved for the system's OS?

    edit: yeah^ what they said.

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    Quote Originally Posted by FRIZL View Post
    How do you know the 2gb of ram and this processor isn't just being reserved for the system's OS?

    edit: yeah^ what they said.
    I dont.
    You can't be serious with the 30 megabyte signature... ~ Staff

    Maths is biased! It keeps telling me the PS4 is 50% more powerful than XboxOne!
    Great song, should have more views :'(

    SHIMAASAAAANIIII!!!!!
    http://i.imgur.com/bP50xuM.png

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    ITs probably for the background stuff like installing games while playing the game and downloading updates and so on.

    Argh beaten to it

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  11. #10
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    wait a minute 2gb sdram is huge i didnt know they went to that size
    You can't be serious with the 30 megabyte signature... ~ Staff

    Maths is biased! It keeps telling me the PS4 is 50% more powerful than XboxOne!
    Great song, should have more views :'(

    SHIMAASAAAANIIII!!!!!
    http://i.imgur.com/bP50xuM.png

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    2Gb is 256MB

    2048/8

    8 bits in 1 Byte

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    Thats what confused me.
    You can't be serious with the 30 megabyte signature... ~ Staff

    Maths is biased! It keeps telling me the PS4 is 50% more powerful than XboxOne!
    Great song, should have more views :'(

    SHIMAASAAAANIIII!!!!!
    http://i.imgur.com/bP50xuM.png

  14. #13
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    Wow, even more power in a smaller design. Dat SONY magic!

    - Symmetrical thumb sticks for life -

  15. #14
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    This is really impressive to me. An ARM processor with 256MB of RAM (half of what the last gen were packing!) it probably handles alot of background stuff which means the other, game centric, components need to worry about less. Do we know if the competition has anything similar?


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  17. #15
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    Now that's new.


  18. #16
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    I thought this was already confirmed to do background OS updates as well as game updates while the system is in standby mode or while playing a game.

  19. #17
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    i read this weeks ago. waste of money haveing it

  20. #18
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    in addition to the 8GB!? wtf! no $#@!ing way!

  21. #19
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    Quote Originally Posted by coolguy View Post
    i read this weeks ago. waste of money haveing it
    I have to respectfully disagree. Less data clutter on the main ram pool means less bottlenecks.

  22. #20
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    Yea I definitely disagree it being a waste of money- definitely a very good call putting it in there.


  23. #21
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    Quote Originally Posted by Morganator View Post
    I have to respectfully disagree. Less data clutter on the main ram pool means less bottlenecks.
    most people don't get how all of this works.

    having a dedicated RAM like this is better than having more overall.

  24. #22
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    Quote Originally Posted by Sufi View Post
    most people don't get how all of this works.

    having a dedicated RAM like this is better than having more overall.
    Right you are. I'm not all that tech savvy, yet I have to agree it must be yet another thing devs don't ever need to worry about..

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  25. #23
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    I thought that everyone knew about this secondary chip since last February?????
    Sony BRAVIA 40" XBR4
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  26. #24
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    We did, We just didn't know anything about it. Now we do.

    Edit: http://www.psdevwiki.com/ps4/CXD90025G

    A media handling custom ASIC by Marvell it appears.
    Last edited by D3seeker; 12-20-2013 at 05:03.


  27. #25
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    Quote Originally Posted by skinny_jr View Post
    I thought that everyone knew about this secondary chip since last February?????
    you're right, we did know. but having that much RAM on it, in addition to the 8GB is a big deal.

    it's such an interesting tangent. people didn't believe when i said that you "pay" the cost for making a console all-in-one, this [ps4] is how you make a console, this is the first time i can truly say that consoles have impressed me far more than a PC ever would with its raw power.

    i cannot wait to see what they can do this old weak technology that PC had back in 2008.

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