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Real World Advantage of i7 Over i5, i5 Over i3

Discussion in 'Hardware' started by Carbonman, Aug 30, 2015.

  1. Carbonman

    Carbonman Mu-43 All-Pro

    Jul 10, 2014
    Vancouver BC
    Graham
    I need to replace my i3 motherboard to upgrade video resolution. I'm now stuck on deciding whether it's worth it to go to i5 for faster OV3 and LR processing speeds plus faster transfer from one HD to another, or whether I would get a meaningful increase by choosing i7 over i5.
    I'm keeping my power supply, case, HDs and other peripherals. I'm going to stick with Win 7 64 bit.
    Your thoughts?
     
  2. tkbslc

    tkbslc Mu-43 Hall of Famer

    First, you might find adding a low end video card to be easier and more economical than replacing the whole main board.

    As for your question, real world depends on how hard you push your system now. At 100% load the i5 can be nearly twice as fast due to double the cores. I7 can be up to 50% faster with the right load, but can be 0% faster with the wrong one.

    i3 to i5 is a bigger difference than i5 to i7.
     
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  3. Carbonman

    Carbonman Mu-43 All-Pro

    Jul 10, 2014
    Vancouver BC
    Graham
    Thanks for the information. IT issues are not my strong suit.
    I'm finding my i3 system slower than I'd like for a lot of odds and ends. OV3 rendering of changes I make with raw files is horribly slow, but that's well known on most systems. My file transfers when backing up from one HD to another, or to a thumb drive have also taken a longer time than I'd like, especially when I'm trying to get out the door to a meeting. The i3 board is 5-1/2 years old. It hasn't given me any problems but may be considered old enough that it should be replaced by some hardware techs. The PC is running all day and evening, almost every day.
    A new video card would also mean having to replace the power supply with something larger. This is what got me wondering about simply upgrading to i5 to get a faster processor and the increased resolution I'm looking for at the same time while I was at it. The price difference is about $270 CDN - not peanuts, but it's not big money when you consider what we pay for lenses and camera bodies every few years!
     
  4. wjiang

    wjiang Mu-43 Hall of Famer

    I3 to i5 is significant, i7 is probably not worth it, you might find a bigger performance boost by more RAM and an SSD scratch disk for example.
     
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  5. davidzvi

    davidzvi Mu-43 All-Pro

    Aug 12, 2012
    Outside Boston MA
    David
    Better question, what gen i3 do you have? Maybe just replace the CPU. add a GPU and more RAM.

    For most users a higher clock CPU with more RAM will give a better result than an i7. But it really comes down to applications and how you use them. I don't do video or 3D stuff. But I do run multiple LR exports (500-1000 images at a time for events) and batch process in CS. So I can see all my 4 cores / 8 threads and a good chuck of my 32gb in use when I do. But it makes little difference in day to day stuff.
     
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  6. Carbonman

    Carbonman Mu-43 All-Pro

    Jul 10, 2014
    Vancouver BC
    Graham
    The processor is a 1st gen i3 - Clarkdale LAG1156. I can't plug in a 2nd gen processor. My system is old enough that I have to replace some of the big items if I want a performance increase. All I wanted to begin with was more native resolution (sigh). It's turned into one of those projects that puts me at a convergence among cost,benefit and system life expectancy.
    I think my solution is probably going to be i5 with lots of RAM. It should speed up rendering on the big PDFs that architects send me, too. I'm still open to lots of learning and advice, so keep commenting.
     
  7. barry13

    barry13 Super Moderator; Photon Wrangler

    Mar 7, 2014
    Southern California
    Barry
    Yes, one of the faster i5's with 8-16gb ram.

    Onboard video is fine for most users. Some operations in PS can be accelerated by video cards but I don't think it's worth it for most users, especially not before upgrading the other components.

    Ssd will speed up app loading, but won't speed up copying to another drive.

    Barry
     
  8. eteless

    eteless Mu-43 All-Pro

    Jun 20, 2014
    Many i5's are actually the last generation of i7 slightly detuned (probably chips which were not stable at the higher specs, it's more cost effective to sell them than destroy), I'm running an ancient i7 (is 6 years ancient?) which about a year or two after it was released was rereleased as an i5 with half the threads disabled and maximum boost detuned.

    http://ark.intel.com/products/48496/
    http://ark.intel.com/products/41316/


    I find that generally buying one generation old is the best bang for your buck as you can get what was previously the best at a fraction of the price.
     
  9. Carbonman

    Carbonman Mu-43 All-Pro

    Jul 10, 2014
    Vancouver BC
    Graham
    I'm already using SSD, a Kingston HyperX 3K 240GB. So much faster than spinning drives. The tech at NCIX recommended a Gigabyte Z97X Gaming5 board and i5 4690 CPU.
     
  10. davidzvi

    davidzvi Mu-43 All-Pro

    Aug 12, 2012
    Outside Boston MA
    David
    PS and Lightroom can use GPU, not sure if Acrobat does. But when building a new system adding about $100 for something like a GTX 750 Ti isn't a bad idea.

    The Gigabyte Z97X is a gaming mobo that supports overclocking. But that CPU does not. If you're going for that mobo add the little extra for a "K" cpu and cooler (even something as simple as the Cooler Master Hyper 212). If not, save on the mobo. Getting over $100 - $125 US for a mobo I need to see something on the board I want (extra SATA ports, bluetooth, etc)
     
  11. Carbonman

    Carbonman Mu-43 All-Pro

    Jul 10, 2014
    Vancouver BC
    Graham
    I need a motherboard that supports i5, has lots of USB3 and SATA outputs and gives me a video output of 2560 x 1440. If I'm springing for the hardware it needs to speed up image processing compared to my 1st generation i3 and also needs to be really reliable.
    I like the Coolermaster Hyper 212 cooler! If it's quiet, I may eventually get one.
     
  12. davidzvi

    davidzvi Mu-43 All-Pro

    Aug 12, 2012
    Outside Boston MA
    David
    The cooler is only needed if you overclock. The additional 2 SATA ports for a total of 8 would be a good reason to spend a little more if you need them.
     
  13. PacNWMike

    PacNWMike Mu-43 Hall of Famer

    Dec 5, 2014
    Salish Sea
    guess?
    Speaking of buying last year's model as a good value, does AMD still deliver a good bang for the pesos?
     
  14. budeny

    budeny Mu-43 All-Pro

    Mar 4, 2014
    Boulder, CO
    My 2c: go with top specs.
    I'm still on my 2010 system with no complaints: i7 980x, 24GB ram, SSD for OS drive, 6 TB of spindles in RAID10, Win 7 x64 (since day one) .
     
  15. eteless

    eteless Mu-43 All-Pro

    Jun 20, 2014
    I find generally no due to the cooling required to get the same performance as an equivalent Intel (Mind you this is in Australia, if you're in the Northern hemisphere/*heavily* air-conditioned office it's probably less of an issue).
     
  16. tyrphoto

    tyrphoto Mu-43 All-Pro

    May 25, 2014
    Seoul | NYC
    ㅇtㅈyㅅr
    While it's always best to buy the fastest computer/processor you feel comfortable with in terms of budget, IMO, i7 is overkill for LR6 and OV3. My advice would be to go with an i5 processor and spend the rest on getting a minimum of 16GB RAM (cheap) and if you have money left over, then an SSD for your home/root drive that has the OS on it.

    While I'm a Mac person, both of my 27" iMacs are i5 (2.7GHz & 2.66GHz) and both are plenty fast for running LR6, Alien Skin Exposure 7, Perfect Effects 9.5, Safari, Mail, Pages, iTunes, Audirvana Plus and Kodi/XBMC open at the same time.
     
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  17. Itchybiscuit

    Itchybiscuit Photon Mangler

    512
    Dec 10, 2013
    Glasgow, Scotland
    Ivor
    I am running two PC's side by side while sharing the monitor/keyboard/mouse - one is an Intel i3-550@3.2ghz and the other is an i5-4460s@2.90ghz. I'm using 8GB of RAM with the i3 system and 16GB with the i5 system. Both running Win7x64

    The i5 chipset is appreciably faster when using LR. Hope this helps. :thumbup:
     
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  18. Carbonman

    Carbonman Mu-43 All-Pro

    Jul 10, 2014
    Vancouver BC
    Graham
    Thanks to everyone for your assistance. I've learned a lot about processors in a very short time and realize I'm never going to be any kind of expert with computer software or hardware.
    I'm going to bite the bullet (when I can afford to have my PC down for a few days) and get the i5 motherboard, chipset and a pile of RAM in the hope that it will stand me in good stead for the next decade. I can't see that I'll need a monitor better than what I just acquired; 4K is ridiculous for something this close to me. I'll also be sticking with Win 7 64 for as long as possible due to the unstoppable data leakage from Win 10.
     
  19. dornblaser

    dornblaser Mu-43 Hall of Famer

    Aug 13, 2012
    Chicago-area
    David Dornblaser
    Nope, it is fantastic! I have a 5K iMac and I will never purchase a non-4K/5K monitor again. Seeing hi-res photographs on 4K/5K monitor is game changing.
     
  20. Carbonman

    Carbonman Mu-43 All-Pro

    Jul 10, 2014
    Vancouver BC
    Graham
    Interesting, I never considered that I would need anything bigger than what I just bought. I see the 4K displays in BB and other places, but have never been attracted to them for home use.
    My monitor is something I consider as an intermediate step to printing, so extremely high resolution hasn't been a concern. Thanks for the comment.