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Thread: How much cpu do I need, low power low cost focus

  1. #1
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    How much cpu do I need, low power low cost focus

    Hello all. I tried to be responsible and do some searching here, and on google but it isn't so easy to find the exact answer I need in one golden link.

    I plan to do a pretty basic install where at most I'll be watching DVDs or playing mp3s and doing NAV at the same time.

    I am going to do the power supply myself so the lower power things are the easier it is for me. I am going with a microatx board. Which cpu will get this job done in the lowest power lowest cost combo? Will the celeron D or M do it? Low power comes first but if the price difference is double between a 30w cpu versus a 25W cpu, then I don't need it. Just so it will get the job done.

  2. #2
    Neither darque nor pervert DarquePervert's Avatar
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    *sigh*
    Get an EPIA board, then. There's lots of people using them and doing all you want to do.
    They're readily available and not horribly expensive.

    You're not going to get your answer in one golden link. You need to determine how well a set of hardware is going to perform for you, plain and simple. Me, I'm a power junkie so any EPIA board isn't going to cut it.

    The best performance/price setup in my opinion is an AthlonXP Mobile. P4-M boards are just too expensive.
    Have you looked in the FAQ yet?
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  3. #3
    ITL
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    I'm on my second Epia board, now. My first was the M10000 and now use the SP13000. Both have been great boards for car use where I use the following:
    Navigation with Mappoint or iGuidance
    mp3's with winamp
    Flash spinning logos on interface
    wi-fi, BT
    several thousand emulated games
    DVD playback
    CarPC #3: 99% Complete
    Pentium M 1.7Ghz, 1GB DDR2 RAM
    DVD/CD-RW installed in dash below monitor
    OEM LCD relocated for 7" Touchscreen
    Wi-Fi, GPS, PS2 controllers...
    500+ full albums
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  4. #4
    Constant Bitrate stapan's Avatar
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    I like pentium M. be careful with the celeron M's, intel removed speed step functionality from them.

  5. #5
    Super Moderator. If my typing sucks it's probably because I'm driving.... turbocad6's Avatar
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    that's a tough question to answer because alot will depend on the individual & what there willing to accept.... AND how much effort they want to put into tweeking for effciency........

    if your the kind of guy who wants to just install programs at will & aren't much of a tweeker & will run a "bloated" system, you will not be happy with a "just good enough" solution like an epia.... especially if multi-tasking...

    if your going to use the internet & run nortons anti-virus & a spyware prog or 2..... you will also need some extra muscle there.....

    if your the kind of guy that wants to run a relatively stripped down system & can keep an eye on your processes & tweek tweek tweek... then even a 750 pIII might do for you......

    some guys here want to run high end video cards & be able to play graphic intense games on there systems.... you'll see guys trying to run p4 3.0's......

    personally, I believe anything worth doing is worth doing right, & I wouldn't want to do all the research & effort.... all the labor, trial & error & basically banging your head agaist the wall at times to wind up with a system that will frustrate me...... I like to have enough power to do things without having crashes & slowdowns..... causing eronious clicking & further locking up....... basically I think it amounts to performance...... some guys are happy with there little 4 bangers... others want a 8-10 cylinder monster & forced induction...... which is the best engine for a car........ hmmmm...

    the only GOOD solution for a carpc TO ME is going to be a mobile design..... good there is either pentium m or athalon xp-m....... how much less is a celeron going to be money wise.... enough to feel the difference for a week.... two maybe....

    in all likelyhood you will have to feel the difference in your pc install for much much longer...... I'd say go for at least good.... what good is to you is hard for anyone else to say really....

  6. #6
    ITL
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    true, turbo. i could agree with your post. however, the 4 banger might be best, esp. if gas is $10/gallon.

    what I'm trying to say is that it's completely subjective. I need a low heat solution b/c the pc was going in the glovebox. anything bigger than a mini-itx wouldn't fit...anything much more than 2.0Ghz would probably be too hot. So I end up with an Epia 1.3Ghz that works incredibly for me. I just max out the RAM and it works great for me!

    To each his own. First, decide what you requirements are, then go from there. Prioritize heat, power, size, expandability, performance, and functionality.
    CarPC #3: 99% Complete
    Pentium M 1.7Ghz, 1GB DDR2 RAM
    DVD/CD-RW installed in dash below monitor
    OEM LCD relocated for 7" Touchscreen
    Wi-Fi, GPS, PS2 controllers...
    500+ full albums
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  7. #7
    Super Moderator. If my typing sucks it's probably because I'm driving.... turbocad6's Avatar
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    Quote Originally Posted by ITL
    true, turbo. i could agree with your post. however, the 4 banger might be best, esp. if gas is $10/gallon.

    ahh, see, that's my point... everyone will have different prioritys & whats ideal for someone may be the opposite for someone else....... I'm a v6 turbo kinda guy myself

    everything is a tradeoff & a comprimise of sort.....

    I woulda shoved a pentium m laptop in that glovebox btw

  8. #8
    ITL
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    Quote Originally Posted by turbocad6
    I woulda shoved a pentium m laptop in that glovebox btw
    yeah, I was thinking about it, but it would be quite a bit more $$$ and wasn't sure if it'd be too hot or not. maybe in the future
    CarPC #3: 99% Complete
    Pentium M 1.7Ghz, 1GB DDR2 RAM
    DVD/CD-RW installed in dash below monitor
    OEM LCD relocated for 7" Touchscreen
    Wi-Fi, GPS, PS2 controllers...
    500+ full albums
    4,000+ video games
    music videos, movies, & more!

    old carPC

  9. #9
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    After thinking about things for awhile, and deciding it's probably going to be worth my time to buy the DC supply, which will be the DSX12V, 220W supply. I'll need this only for core mobo/cpu stuff and if I ever needed more power say for beefy hard drives or extra displays I am capable of creating a POL for this.

    That said, my space/size limitations aren't so great so if I can really get a lot more processing power per $ out of a microATX Mobile XP solution then I would rather takes this route over an SP13000. Does anyone have an opinion here?

    I haven't done the power calculations yet but I suspect 220W should be sufficient to run a Mobile XP, 3.5" HDD, 2.5" optical drive, 1-2 USB devices, correct?

    My main concern is I plan to do some DSP on the .mp3s to try and get a better sound stage in my Jeep (delaying the left channel slightly, for instance). Is an Epia powerful enough to do mp3s+dsp, GPS/nav at the same time?

  10. #10
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    Quote Originally Posted by MrPerfectionest
    That said, my space/size limitations aren't so great so if I can really get a lot more processing power per $ out of a microATX Mobile XP solution then I would rather takes this route over an SP13000. Does anyone have an opinion here?

    I haven't done the power calculations yet but I suspect 220W should be sufficient to run a Mobile XP, 3.5" HDD, 2.5" optical drive, 1-2 USB devices, correct?

    My main concern is I plan to do some DSP on the .mp3s to try and get a better sound stage in my Jeep (delaying the left channel slightly, for instance). Is an Epia powerful enough to do mp3s+dsp, GPS/nav at the same time?
    Considering the prices for Mobile XP, I would say its a great choice considering price vs power vs performance. 220W should fit it just fine with lots and lots of headroom. As far as Epia, I think it loses out in price/performance category and I suspect you might run into problems running dsp and GPS at the same time.
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