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Conclusion

System Builder Marathon, March 2010: $1,500 Enthusiast PC
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What did we learn from this little exercise? Is there a clear winner between the Core i7-920 and the Core i5-750 when it comes to building a powerful machine? Like most everything else in life, there’s no easy answer for everyone. That said, we can make some recommendations for specific applications.

First let’s consider the gamers out there. Both the Core i5-750 and Core i7-920 do a fantastic job when it comes to complementing a powerful graphics subsystem. I can say that the Core i5-750 CPU is a fantastic gaming processor, and for the typical gaming enthusiast, there is little incentive to spend more money on the Core i7-920 CPU. However, for those about to overclock, the Core i7-920 salutes you. For whatever reason, it seems to leapfrog the Core i5-750 when both were pushed to higher speeds. Granted, the Core i7 in our tests does sport a higher overclock in the first place, but that still doesn’t fully explain the disproportionate leap in performance. You can blame some of the difference on the Core i7’s superior memory and PCIe lane bandwidth I suppose, and it should be mentioned that the memory was much more overclocking-friendly when it came to this particular Core i7 build. That's the name of the game when it comes to retail hardware and non-standard settings though, isn't it?

Next, let’s move on to folks who are more concerned with application performance. Here, the Core i7’s superiority seemed to be hit-and-miss, with a couple of applications appearing to take advantage of Hyper-Threading but most not showing any real difference. In this case, I’d recommend you do some research on the specific applications you’re planning to use before pulling the trigger on a Core i7-920, as the Core i5-750 stands up very well on average. However, we did see that impressive overclocking boon from the Core i7-920 again, and some enthusiasts might find that evidence compelling enough to sway their decision in the direction of the Bloomfield-based processor. Conversely, let’s not forget the relatively low-power usage of the Core i5-750--this might be a notable factor for some individuals.

In conclusion, this wasn’t the perfect test between these two systems but I think it did yield some useful results--it certainly provides something to think about. In my opinion, both the Core i5-750 and Core i7-920 are some of the best CPU choices out there, and I can’t imagine anyone regretting the purchase of either one.

Of course, this is only one of the SBM machines and the most interesting numbers will be published at the end of the series when we compare systems at different budgets to see which one delivers the most bang for the buck. Also, don't forget that we're giving this machine (and the other two SBM builds) away to three lucky readers, so hop back to the first page if you haven't yet entered for your chance to win!

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Top Comments
  • 10 Hide
    Anonymous , March 17, 2010 7:37 AM
    The labels on all the charts appear to be wrong. They're mentioning a "Current $1300 System" but I thought the current system was $1500?
Other Comments
  • 6 Hide
    shubham1401 , March 17, 2010 6:29 AM
    Now this is an excellent PC for overall usage...


  • 2 Hide
    sabot00 , March 17, 2010 7:01 AM
    Love to have this PC. Great components, really wish Fermi at least drops prices.
  • 0 Hide
    skora , March 17, 2010 7:17 AM
    I find it funny Cleeve that you mention the effects of ATIs monopoly on the high end GPU market but nothing on the CPU front. How much better off would we all be if AMD had a competing product for the Core i5/7s.

    Out of curiosity, how big is the storage capacity needed for your benchmark suit? I know you were over budget, but how close could you have come to one of the lower capacity SSDs and their performance advantages?
  • 10 Hide
    Anonymous , March 17, 2010 7:37 AM
    The labels on all the charts appear to be wrong. They're mentioning a "Current $1300 System" but I thought the current system was $1500?
  • 2 Hide
    anamaniac , March 17, 2010 7:50 AM
    To be honest, this just somehow seems disappointing to me.
    But then I think of how much I spent on my rig, and got less, I'm even more disappointed.

    It's crazy that prices keep raising on everything though. 6 months ago I was $9/GB for DDR2, in Canadian dollars. $12.50/GB for DDR3. It's absolutely ridiculous.
  • 0 Hide
    Otus , March 17, 2010 7:51 AM
    It looks like i5->i7 is not worth it for gamers. The increases when FPS
  • 2 Hide
    Crashman , March 17, 2010 8:08 AM
    OtusIt looks like i5->i7 is not worth it for gamers. The increases when FPS


    I've got news for you: i3->i7 is not worth it for gamers. Tom's Hardware has an interesting article in the works.
  • 0 Hide
    p1n3apqlexpr3ss , March 17, 2010 8:15 AM
    @Crashman
    Sounds good, this something to do with the i3 HTed vs traditional quad thing?
  • 0 Hide
    Crashman , March 17, 2010 8:20 AM
    p1n3apqlexpr3ss@CrashmanSounds good, this something to do with the i3 HTed vs traditional quad thing?


    I think it's a Windows 7 thread shifting and dual-threaded games thing, since both the i3 and i7 have HT.
  • 0 Hide
    Stardude82 , March 17, 2010 9:20 AM
    SethVNThe labels on all the charts appear to be wrong. They're mentioning a "Current $1300 System" but I thought the current system was $1500?


    The whole comparison is BS. $200 is a lot of money where I come from and the stock cooling on the i5 750 is garbage. The low-end Conroes had much better cooling and they were only 65W TDP. I say stick your no-name heatsink on last quarters machine, call it a $1400 box, redo the overclocking and then publish the results as that way they will be at least somewhat relevant.
  • -8 Hide
    baracubra , March 17, 2010 9:21 AM
    Great build!

    One thing I would change is the case...this doesn't look mean/rough enough for such a gaming rig, and there's no option of adding lights to interior to beef it up cuz the side cover isn't transparent :( 
  • -6 Hide
    Onus , March 17, 2010 9:23 AM
    You broke the budget. Sorry, but FAIL.
  • 0 Hide
    eddieroolz , March 17, 2010 9:27 AM
    Seems like a fairly decent article to me. The increase in gaming performance is just staggering o.O

    On a side note, whoever that gets this rig is very lucky, the i7 in this one is probably one of the more overclockables ones, it seems. Too bad I'm just north of the 49th :( 
  • 0 Hide
    Crashman , March 17, 2010 9:31 AM
    Stardude82I say stick your no-name heatsink on last quarters machine, call it a $1400 box, redo the overclocking and then publish the results as that way they will be at least somewhat relevant.
    It's not just "any" no-name sink, it's one that provided surprisingly good performance in its review:

    http://www.tomshardware.com/reviews/corsair-h50-fort120,2370-5.html
  • 0 Hide
    RySean , March 17, 2010 9:45 AM
    The RAM for the current build was incorrectly listed as:

    2 x A-Data 2GB DDR3-1333 Kit
    2 x 2GB (4GB Total), 533 MHz (1,066 MHz DDR), CAS 7-7-7-59

    Feel free to delete this comment once it's fixed.
  • 4 Hide
    the_krasno , March 17, 2010 10:08 AM
    I commend you for the case choice. I have that case myself, installed 2 more fans and never regretted it!
  • 0 Hide
    Stardude82 , March 17, 2010 10:10 AM
    CrashmanIt's not just "any" no-name sink, it's one that provided surprisingly good performance in its review:http://www.tomshardware.com/review [...] 370-5.html


    Nearly any no-name heatsink would be better than the current stock cooling. I wasn't dissing the sink, the defensiveness makes me think there was some shilling for New Egg going on since Rosewill is just the name New Egg slaps on to "unbranded" imports.
  • -3 Hide
    Sihastru , March 17, 2010 10:17 AM
    AsRock motherboard, had one once, NEVER again! The problems are not worth the amount of money you might save...
  • 0 Hide
    peckiro , March 17, 2010 10:41 AM
    Good matchup. For the money though I think I'd still go with the I-750.
  • -4 Hide
    cib24 , March 17, 2010 10:54 AM
    Swap the cooler with a Hyper 212 Plus and the PSU with a Seasonic 750w 80-plus certified Gold and I'd buy it.
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