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Core i3 2100 vs. Core i5 750

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October 11, 2011 2:19:26 AM

I'm about to upgrade my PC and need some advice. I have a tight budget, so thats the best ones i can get

1)Core i3 2100 3.1 Ghz for 125$

2)Core i5 750 2.66 Ghz for 140$ (I'm getting this from one of my friend)

I'm not a hardcore gamer :) , I just want my games to play well(30+ fps max settings)

My current specs are:
C2d E7500 @ 3.3Ghz
Cooler Master Hyper N520
Asus P5KPL-AM SE Mobo
2x2 GB Corsair Ram
Nvidia GTX 550 Ti
Corsair HX650W PSU
LG 20" LED @ 1600x900

More about : core 2100 core 750

October 11, 2011 2:45:03 AM

I'd say neither since your on a tight budget and you would have to buy a new motherboard for either of those processors, and also, you do realize that those 2 cpu's use different sockets right? If you are dead set on going with one of them, the i5 is better because it's a quad core very overclockable and has a huge cache, but it's also on an all but dead platform. The i3 is a pretty good cpu, but it probably wouldn't be worth to buy a new mb and that cpu because you wouldn't gain all that much over your current setup. You'd be better off just saving your dough to upgrade later on.
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October 11, 2011 3:04:14 AM

Well, a few things to consider:

Either one will require a new motherboard (your LGA775 board won't support LGA 1155/1156 chips). You also need new RAM (the new sockets use DDR3, so the DDR2 you have won't work). These need to be included in your "tight" budget.

Second thing to consider - yes, the core i5 750 is probably a better proc. BUT it requires buying an LGA 1156 board, which is basically a dead socket with no upgrade path. Core i3 2100 offers the LGA 1155 socket, which can be upgraded to the Core i5 2500k or Core i7 2600k. Core i3 is also Sandy Bridge and offers the awesome Z68 platform.

So it depends - do you see yourself wanting to upgrade again in the next couple years? If so, then get the i3. If you think the i5 will do you for a number of years, then go to the i5. but make sure either way you factor in MOBO and RAM (and time to reformat and reinstall OS with the new mobo).
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October 11, 2011 3:06:45 AM

Have you looked at any motherboards and ram to go with the two cpu's ? If you get the i5-750 then you need a socket 1156 motherboard and ddr3 dual channel ram. If you get the i3 2100 then you need a 1155 socket motherboard and ddr3 dual channel ram. With the 1155 socket you would be able to upgrade later on to a better sandy bridge cpu if you wanted.
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October 11, 2011 4:15:17 AM

This next topics has been merged by Jimmysmitty
  • Core i3 2100 vs core i5 750
  • Core i3 2100 vs. Core i5 750
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    October 19, 2011 8:52:53 PM

    inanition02 said:
    Well, a few things to consider:

    Either one will require a new motherboard (your LGA775 board won't support LGA 1155/1156 chips). You also need new RAM (the new sockets use DDR3, so the DDR2 you have won't work). These need to be included in your "tight" budget.

    Second thing to consider - yes, the core i5 750 is probably a better proc. BUT it requires buying an LGA 1156 board, which is basically a dead socket with no upgrade path. Core i3 2100 offers the LGA 1155 socket, which can be upgraded to the Core i5 2500k or Core i7 2600k. Core i3 is also Sandy Bridge and offers the awesome Z68 platform.

    So it depends - do you see yourself wanting to upgrade again in the next couple years? If so, then get the i3. If you think the i5 will do you for a number of years, then go to the i5. but make sure either way you factor in MOBO and RAM (and time to reformat and reinstall OS with the new mobo).


    Yea i will keep this PC for next two years. Btw my total budget is 300$ for Proc + Mobo + Ram

    I'm considering these two alternatives

    Core i3 2100 125$
    Asus P8H67-MLE B3 115$
    Corsair XMS3 8Gb 55$
    Total 295$

    Core i5 750 140$
    Intel DH55HC 95$
    Corsair XMS3 8Gb 55$
    Total 290$

    Now one thing i'm concerned about is i3 2100 is not a true quad i5 750 is, and newer titles like metro 2033, witcher 2, BF3 needs a quad core proc to play well. My E7500 barely manages to play them. Do you think i3's newer 32nm architecture and HT will manage these newer titles?



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    October 19, 2011 9:07:03 PM

    holdingholder said:
    I'd say neither since your on a tight budget and you would have to buy a new motherboard for either of those processors, and also, you do realize that those 2 cpu's use different sockets right? If you are dead set on going with one of them, the i5 is better because it's a quad core very overclockable and has a huge cache, but it's also on an all but dead platform. The i3 is a pretty good cpu, but it probably wouldn't be worth to buy a new mb and that cpu because you wouldn't gain all that much over your current setup. You'd be better off just saving your dough to upgrade later on.


    My E7500 is not cutting it anymore, i recently upgraded from a GTS 250 to GTX 550 and feel no difference in fps actually performance is even slower than 250. So should i wait and save more for 2nd gen i5 or should i go with i3 2100 now?
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    October 19, 2011 9:17:10 PM

    inzone said:
    Have you looked at any motherboards and ram to go with the two cpu's ? If you get the i5-750 then you need a socket 1156 motherboard and ddr3 dual channel ram. If you get the i3 2100 then you need a 1155 socket motherboard and ddr3 dual channel ram. With the 1155 socket you would be able to upgrade later on to a better sandy bridge cpu if you wanted.


    Yea i'm considering these two options

    Core i3 2100 125$
    Asus P8H67-MLE B3 115$
    Corsair XMS3 8Gb 55$
    Total 295$

    Core i5 750 140$
    Intel DH55HC 95$
    Corsair XMS3 8Gb 55$
    Total 290$

    Currently i'm more inclined towards i3 2100 since 1156 is a dead socket but again, i5 750 has its own advantages i mean 4 cores, bigger cache, overclocking.
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    October 19, 2011 9:21:16 PM

    MrXeQTa said:
    Yea i'm considering these two options

    Core i3 2100 125$
    Asus P8H67-MLE B3 115$
    Corsair XMS3 8Gb 55$
    Total 295$

    Core i5 750 140$
    Intel DH55HC 95$
    Corsair XMS3 8Gb 55$
    Total 290$

    Currently i'm more inclined towards i3 2100 since 1156 is a dead socket but again, i5 750 has its own advantages i mean 4 cores, bigger cache, overclocking.

    Still the i3 2100 is better option.Save some money for a later upgrade.
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    October 19, 2011 9:33:05 PM

    ghnader hsmithot said:
    Still the i3 2100 is better option.Save some money for a later upgrade.


    Ok so if I buy the i3 now and later i want to upgrade to i5 2500K can i OC it on this H67 asus board?
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    October 19, 2011 11:08:27 PM

    not familiar with the h67 boards but i would assume you could. I have a h55 board and a corei5 760 and i have mine oc'd to 4ghz. Again i cant say for sure but i don't see why you wouldn't be able too. As for your processor i would also go with sandy bridge but i would just save a couple bucks more and go with the i5 2500k if your going to be gaming! for most new high end games as well as future games u really do require a quad core to run well with acceptable frame rates at higher graphic settings. that being said if all you want to do is play older games or newer games on lower settings then a dual core would be just fine.
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    October 19, 2011 11:42:13 PM

    MrXeQTa said:
    Ok so if I buy the i3 now and later i want to upgrade to i5 2500K can i OC it on this H67 asus board?

    Unfortunately P67 and Z68 are the only chipsets with the OC features.H67, P67 and Z68 are Ivy bridge compatible.
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    October 20, 2011 10:29:21 AM

    Go with the i3, better choice to make. and go with a P67, Z67
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    October 20, 2011 10:31:14 AM

    never mind. Just go with what will fit your budget
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    October 20, 2011 11:24:05 AM

    Don’t let the dual-core part fool you.

    Thanks to Hyper-Threading, its high 3.1GHz frequency and the high IPC performance of the SandyBridge architecture, the $120 Core i3-2100 performance is, on average, 8.8% higher than the $120 AMD Phenom II X4 955, when it comes to gaming
    http://www.tomshardware.com/reviews/best-gaming-cpu-cor...
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    Best solution

    October 20, 2011 11:49:41 AM

    gnomio said:
    Don’t let the dual-core part fool you.

    Thanks to Hyper-Threading, its high 3.1GHz frequency and the high IPC performance of the SandyBridge architecture, the $120 Core i3-2100 performance is, on average, 8.8% higher than the $120 AMD Phenom II X4 955, when it comes to gaming
    http://www.tomshardware.com/reviews/best-gaming-cpu-cor...



    there is a huge difference between amd's cores and intel's cores ... they arent comparable.
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    October 20, 2011 11:51:13 AM

    maddawgkilla said:
    there is a huge difference between amd's cores and intel's cores ... they arent comparable.

    For gaming?
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    October 20, 2011 9:41:46 PM

    Jurgens said:
    never mind. Just go with what will fit your budget


    yeah i'm thinking to go with i3 2100 and z68 mobo from intel but i'll have to settle for 4Gb DDR3 then:( 
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    October 20, 2011 9:43:56 PM

    gnomio said:
    For gaming?


    yeah i think gaming wise i3 is better .. no offence AMD
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    October 20, 2011 9:48:27 PM

    i ordered i3 2100 + z68 intel + 4Gb ddr3 and yeah thanks for your support guys :) 
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    October 20, 2011 9:52:13 PM

    Best answer selected by MrXeQTa.
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    October 21, 2011 10:14:06 AM

    noooo dont get the i3 2100 the i5 750 is sooooo much better ive got one and a amd 6970,12gb ddr 3 1333Mhz ram and a foxconn mobo it is sooo good. dont get a sandybridge.
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    October 21, 2011 10:29:22 AM

    its just because you dont have a i3 :D  hahaha. go with what you want
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    October 21, 2011 10:13:16 PM

    a_tractor said:
    noooo dont get the i3 2100 the i5 750 is sooooo much better ive got one and a amd 6970,12gb ddr 3 1333Mhz ram and a foxconn mobo it is sooo good. dont get a sandybridge.


    Not to be a dick but i own both a core i5 760 and a core i7 2600k and ill tell u right now your WAY better off to get sandy bridge and save up a couple more bucks for a i5 2500k. don't get me wrong the i5 750 or 760 are both very good quad cores but if you go with sandy bridge and get a decent motherboard preferably a z68 then you will be more future ready in the sense you will be able to upgrade to ivy bridge! i guess this post is sorta irreverent sense u already bought the sandy bridge lol.
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