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Forum Thread Details
  • Replies 358 replies
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  • raspberry_pi
  • bb_black
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Pi vs BeagleBone-Black

Former Member
Former Member over 12 years ago

So, just over a year on from the initial availability of the R-Pi and the new BeagleBone Black is upon us.  They've obviously taken a leaf out of the RPF's playbook and produced a cost reduced version at a price only marginally above the Pi.

 

I find it interesting that the compromises are very different, for example there's a proper PMIC and the ethernet is not troubled by being connected to USB, however the on-board HDMI seems less capable.

 

Other differences are in the documentation, I'm currently viewing the pcb gerbers for the beaglebone..  Have yet to see any sign of those for the R-Pi a year later. There's even an up to date devicetree capable kernel too.

 

Technology has also moved on somewhat, we get a 1GHz Cortex A8 which is better than the Pi, along with various other stuff and lots more GPIO's too.

 

Ok, so it's clear that I like the look of the new beaglebone, and given the price I'm likely to put any further R-Pi plans on hold until I have a chance to play with this. It's also making things like the Olinuxino-maxi I bought recently look very slow/expensive while still being cheaper than the similarly specced Olinuxino-A13

 

Some details of the beaglebone-black here http://circuitco.com/support/index.php?title=BeagleBoneBlack

 

What do the rest of you think ?   I don't expect this to displace the Pi anytime soon, but I expect it to be very attractive to those people who don't simply want to put XBMC on it and duct tape it to the back of the TV..

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  • Former Member
    Former Member over 12 years ago

    Hello everybody, newbie here. Well newbie to the Pi/Beagle/Arduino/RT Linux world, not to embedded software engineering generally - cut my teeth on embedded 8086/ASM-86/PLM-86/iRMX systems 25 years ago, have written many a line of heavily multithreaded C/C++ on embedded and server systems, and have enjoyed knocking out the odd dual-6502 system for educational purposes. Ah those were the days, before we all got sucked into PC programming.

     

     

    But I'm rusty and looking to have some fun with ARM.

     

    So...my 2 cents on this discussion:

     

    Some say you should pick the best hardware/OS for the individual job at hand, and favour using a dedicated CPU for hardware interfaces. 

     

    However I prefer to pick one (reasonably priced) board for all the projects I have in mind. I don't want to have to learn and support multiple board personalities, idiosyncrasies and programming/operating environments. I can accept that that will sometimes mean shoe-horning a square board peg into a round application hole. Nobody has argued that angle.

     

    In my search for such a board I've discounted RPi (weak ISA, too many idiosyncrasies) and, sadly, also BBB due to its pathetic video (apparently it isn't considered 'cool' here to have media/video applications in mind, but I do).

     

    A real contender (albeit at double the cost) seems to be this. I wondered if the dedicated back end microcontroller advocates have seen that and have opinions.

     

    I could settle for BBB if there were ever likely to be:

     

    1) a "proper HDMI" shield, ie. providing 1080p with h/w acceleration for H264 etc.  

     

    2) a coprocessor shield, such that either the BBB or shield could be the front end hard RT coprocessor with the other one being the application processor.

     

    As long as said shields cost less than the base BBB board. Given that an RPi Model A (=$25 as is) could do the functionality, that seems like a reasonable ask. An RPi-A shield, anyone?

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  • morgaine
    morgaine over 12 years ago in reply to Former Member

    Horses for courses, really.  I'd tend to use Pi for media applications, BBB for hardware interfacing and basic networking, and neither of them if the application would perform better with gigabit networking or high speed disk access using SATA.

     

    Trying to force a board to perform well in an application for which it isn't naturally suited is not the best approach, and being wedded to just one board or one manufacturer means that one can't take advantage of the wide range of choices available.  This is one reason why I quite regularly try to combat fanboism --- it prevents fair assessment of alternatives from being made.

     

    Alternatives are good. image

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  • Former Member
    Former Member over 12 years ago in reply to morgaine

    Morgaine Dinova wrote:

     

    neither of them if the application would perform better with gigabit networking or high speed disk access using SATA.

    out of curiosity, have you managed to get hold of any other boards that have SATA ?  the theoretical sequential read performance of a sata drive hooked up to my SL seems quite poor at less than 25% of what I know the drive to be capable of on different hardware

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  • Former Member
    Former Member over 12 years ago in reply to morgaine

    Morgaine Dinova wrote:

     

    neither of them if the application would perform better with gigabit networking or high speed disk access using SATA.

    out of curiosity, have you managed to get hold of any other boards that have SATA ?  the theoretical sequential read performance of a sata drive hooked up to my SL seems quite poor at less than 25% of what I know the drive to be capable of on different hardware

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  • Former Member
    Former Member over 12 years ago in reply to Former Member

    Wish list for a RasPi server:

    by Lob0426 » Mon Jul 01, 2013 5:26 pm

    What I would like to see is a RasPi Server.
    No fancy GPU really needed.
    possibly v7 instructions ARM
    512MB
    USB based Ethernet ok but would like to see a native Ethernet.
    1 USB port to connect HDD's or cameras.
    Enhanced GPIO pin outs.

    http://www.raspberrypi.org/phpBB3/viewtopic.php?f=63&t=31844&start=139

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  • Former Member
    Former Member over 12 years ago in reply to Former Member

    ARMv7 instruction set, native ethernet and SATA are the ones.. for a RasPi <anything> I'll skip usb of any description thanks image

     

    Interesting that he asks for better GPIO and then a few posts later complains that the cubieboard "has connectors all over it also, making it heavy", doesn't sound like he wants a server at all...

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  • morgaine
    morgaine over 12 years ago in reply to Former Member

    selsinork wrote:

     

    out of curiosity, have you managed to get hold of any other boards that have SATA ?  the theoretical sequential read performance of a sata drive hooked up to my SL seems quite poor at less than 25% of what I know the drive to be capable of on different hardware

     

    Unfortunately, no.  The Sabre-Lite exceeded my budget, and the Wandboard turned out to be delivered from Texas despite being "in stock" at Mouser UK so they lost a potential customer near the end of the ordering process.  The next expected candidate with SATA will probably be Olimex's A20-OLinuXino-MICRO and/or A20-OLinuXino-MICRO-4GB.  Hopefully one or both of those will appear in Farnell UK since they already have the A10S-OLinuXino in their product listings awaiting delivery.

     

    If SATA performance turns out to be poor, we'll have to jump up and down and rock the boat and publish performance figures until someone in design takes note.  Apparently that's how the system works. image

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