i5 3rd or i5 4th gen cpu

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davidwolfer

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I need a machine that can handle multiple virtual machines under LINUX Is there and advantage of 4th over 3rd? Can't afford to go higher or I would be an i7 purchaser. :) Thanks
 
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DonQuixoteMC


If you're not trying to push the limits of your hardware with overclocking, then go with Haswell. It will be faster than Ivy Bridge.

Now, just curious, but why have you not considered an AMD processor like the FX-8320? You would get the same number of effective cores as an i7, but for the price of a cheap i5. The Haswell (and other i5s) are amazing for single threaded tasks and the like, but I think you would be better served with the work oriented processing power of an 8 core AMD processor.

Correct me if I'm wrong, but the 8320 would be better for...
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DonQuixoteMC

DonQuixoteMC

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If you're not trying to push the limits of your hardware with overclocking, then go with Haswell. It will be faster than Ivy Bridge.

Now, just curious, but why have you not considered an AMD processor like the FX-8320? You would get the same number of effective cores as an i7, but for the price of a cheap i5. The Haswell (and other i5s) are amazing for single threaded tasks and the like, but I think you would be better served with the work oriented processing power of an 8 core AMD processor.

Correct me if I'm wrong, but the 8320 would be better for multiple VMs than an i5.

Anyway, that's my input. In the meantime, I'm going to make sure what I said about the processing needs of a machine running multiple VMs isn't complete nonsense.

Edit: So far, my advice doesn't seem completely nutty. Since you're not getting an i7, the 8320 would be better than the i5 for virtualmachines. (based on the math)
 
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DonQuixoteMC

DonQuixoteMC

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For the sake of argument, the 3rd gen processors are a lot better for overclocking. :p

However, in this instance, you're absolutely right.
 
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DonQuixoteMC

DonQuixoteMC

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Hmm. I'll end this here, because I don't want to turn davidwolfer's thread into an off topic discussion, but that's an interesting argument. I'm inclined to think that you're right. Could I PM you about this?
 
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davidwolfer

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First off let me say insulting someone who has a legitimate question is not a good way to answer someones question. Second, No they are not the same price. There is drastic difference in computers running the 3r gen i5 verses the 4th gen i5. That is what brought about the question in the first place. My budget is super tight.
 
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davidwolfer

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Thank you for your pointer. I did not consider the AMD chip because in the price range I am looking no machine running the CPU has come up. But thank you. I will do a search specifically for the processor. Again thanks.
 
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CTurbo

CTurbo

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No insult intended.

Sometimes it is considerably cheaper to build a 3rd gen i5 system, and sometimes it's not. Right now it's not much of a price difference. The 3570k is only about $10 cheaper than the 4670k. A couple of days ago, the price difference was $2. Currently, the cheapest 3rd gen i5 is the i5 3330 and it's only $7 cheaper than the cheapest 4th gen i5, the 4440.

But yes, sometimes the 3rd gen models are cheaper. Their sales tend to be more extreme. I've seen the 3570k for $195 a few times. I've seen the 3330 and 3350p for as low as $149 before. Those are good deals if you can catch them.

Of course the biggest savings would come from getting a LGA1155 motherboard. The cheapest Z77 board right now is $65. The cheapest Z87 motherboard is $80.
 
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DonQuixoteMC

DonQuixoteMC

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It sounds like you're planning on buying a pre-built computer. Nothing wrong with that, but there are some perks that come from building your own. If you wanted to look specifically into how the 8320 would perform for virtualization, it might be worth building a computer around it. Here are some interesting benchmarks of the AMD 8350 within Linux.
Now although the processor tested is the 8350, not the 8320, they perform similarly. I think it's rather promising that this AMD processor has the same computational power as a 3rd generation i7. Some things to bear in mind: The 8350 here has been overclocked, but again, the 8320 would be overclockable to similar levels without much effort.

If you were interested in seeing what a computer built around the 8320 would cost, let me know your budget and I'll put some parts together. Also let me know:
a) how much RAM you want
b) if you would consider overclocking
c) what you're planning to do for storage (SSDs? RAID?)
d) any other extra information not yet covered (such as potential Linux distros, I'll try to find hardware that's compatible)

I think building a PC around the 8320 would be a great way to go. I haven't had much experience with virtualization, but I know you need a lot of RAM, high RAM bandwidth, high I/O speeds and often SSDs are thrown in the mix (with read heavy applications anyway). Customizing your own build gets you a PC that would fits your exact needs and eliminates the need for upgrading a prebuilt.

Alternately, if you're averse to building a computer, that's totally fine. However, if you're at all interested, but daunted, don't be. It's kind of like Lego! Plus there are countless resources available to help you through the process!

Let me know what you think!

Edit: The 8350 actually is a better deal than I originally thought. Something to at least keep an eye on.
 
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