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Windows 7: What is the difference between the i5's and the i7's?

30 Dec 2012   #1
Shoba

Genuine Windows® 7 Home Premium 64-Bit
 
 
What is the difference between the i5's and the i7's?

Exactly what the title says. Thanks!


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30 Dec 2012   #2
LittleJay

Windows 7 Home Premium 64bit SP 1
 
 

Possible new CPU for my PC.

Have a look at this thread. There are some pretty decent explanations of the differences.
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30 Dec 2012   #3
maxie

windows 7 home 64bit
 
 

For the most part, you'll get faster CPU performance from Core i7 parts than Core i5. The majority of desktop Core i7 CPUs are quad-core processors, while many mobile Core i5 processors are dual-core. This is not always the case, as there are mobile dual-core Core i7 processors, and likewise several desktop quad-core Core i5 processors. Then of course you'll see the rare six-core Core i7, which are usually found with the desktop-only Extreme Edition top-of-the-line models.
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30 Dec 2012   #4
mmkarimi

Windows 7 Ultimate x64
 
 

actually the core i7 difference is very spicy, although its normal working temperature is rather high , and reaches to 100oc, its very powerful in parallel processing. if you wanna take it as your pc component, its the best, but as a laptop for normal use because it is using alot of energy to process it may have some defect because of low battery charge time.
can you explain more what do you want this information for and what do you wanna do with your computer

also check the following for technical information
Top Eight Features of the Intel Core i7 Processors for Test, Measurement, and Control - Developer Zone - National Instruments
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30 Dec 2012   #5
kbrady1979

Windows 7 Professional 64bit SP1
 
 

Quote   Quote: Originally Posted by Shoba View Post
Exactly what the title says. Thanks!
Are you looking at a specific Intel socket? I assume you mean something like Core i5/i7 in Socket 1155.

A quick answer is: Depends on what you are doing with your computer......as quite a few people wouldn't be able to tell a difference between them. Core i7's are the enthusiast line of a particular platform, while i5's are more mainstream. Don't let that fool you though, some i5's are extremely powerful. Core i7's have Hyperthreading which is useful for programs and applications that can utilize multiple cores/threads while Core i5's do not have hyperthreading. All i5's and i7's in Socket 1155 are Quad Core CPU's with the i7's having a couple MB more L3 cache.

If you are wanting more specific information, just let us know.

Kelly
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30 Dec 2012   #6
Shoba

Genuine Windows® 7 Home Premium 64-Bit
 
 

Sorry, didn't mean to make the thread so detailed. Just was curious on the main differences in the i7's and i5's. and mostly curious why the i7's I have heard are bad for gaming. I'm most a gammer and Eventually want to bring my system up to spec so that I am able to stream and hold a good FPS.
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30 Dec 2012   #7
Shoba

Genuine Windows® 7 Home Premium 64-Bit
 
 

Something about there Hyper Threading they say is bad for gaming but I don't understand why?Little Jay that is a GREAT thread thanks for the info. Also, explaining what the best CPU is for gaming? Then I want to understand more about motherboards and why is it important to have a solid mother board, and what the differences are between 60$ and 160$ mother boards, is it just extra's they have, or stability? Thanks Kelly great information! You guy's/gal's can take a look at my current set up if you would like, pretty basic, get the job done for my daily need of playing FPS game Tribes Ascend and surfing the web, waiting some movies online basically all I do. Eventually I want to run a live stream of myself gaming and hold good FPS and computer speeds at the same time.
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30 Dec 2012   #8
mmkarimi

Windows 7 Ultimate x64
 
 

Quote   Quote: Originally Posted by Shoba View Post
Sorry, didn't mean to make the thread so detailed. Just was curious on the main differences in the i7's and i5's. and mostly curious why the i7's I have heard are bad for gaming. I'm most a gammer and Eventually want to bring my system up to spec so that I am able to stream and hold a good FPS.
see the list below, find a cpu with more cache and higher frequency rate, number of cores comes to the parallel commuting and multi task performing

List of Intel Core i7 microprocessors - Wikipedia, the free encyclopedia

List of Intel Core i5 microprocessors - Wikipedia, the free encyclopedia
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30 Dec 2012   #9
kbrady1979

Windows 7 Professional 64bit SP1
 
 

Quote   Quote: Originally Posted by Shoba View Post
Sorry, didn't mean to make the thread so detailed. Just was curious on the main differences in the i7's and i5's. and mostly curious why the i7's I have heard are bad for gaming. I'm most a gammer and Eventually want to bring my system up to spec so that I am able to stream and hold a good FPS.

No need to be sorry, I just meant sometimes more detail will help us give better advice or answer questions more efficiently.

As for Core i7 CPU's and playing games.........it's not that they are bad, because they aren't. Games just don't take advantage of Hyperthreading, and to be honest, quite a few games aren't even made to utilize a quad core PC very efficiently! If you look at the Core i7 3770K, which is the top of the line socket 1155 CPU, you have a CPU with a base clock of 3.5GHz, 8MB of L3 cache and hyperthreading. The top of the line i5 in socket 1155 is the 3570K, which has a base clock of 3.4GHz, 6MB of L3 cache and does not support hyperthreading. I believe it was Anandtech that ran benchmarks and found that in some games, the i5 does edge out the i7. It was a slim margin, but they were able to reproduce the results. The bottom line is this: for right now, and for the near future, a good Core i5 CPU will be your best bet for gaming. It will do just as good of a job as its i7 counterpart, and it will be less expensive, allowing you to spend money saved on a better GPU/PSU.

That being said, if you ever plan on doing any video editing or anything more CPU intensive than gaming, you will definitely benefit from an i7 with hyperthreading. That is the drawback with an i5......at the end of the day, no matter how powerful the CPU, you only have 4 cores and 4 threads available. An i7 will give you the same 4 cores with 8 threads to help with the workload.

I will wrap this up by saying if you decide to do a build and $100 won't make or break you, go with the i7 and be confidant that you have the top of the line processor for that platform. If you feel that an i5 will fit your needs better, buy it and put the $100 saved into an SSD, better graphics card or whatever else you want. Truth be told, a Sandy Bridge/Ivy Bridge Core i3 would make a very good budget gaming PC, but you would hit the limitations quicker with an i3. The i5/i7 CPU's will play games for years to come.
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30 Dec 2012   #10
Wishmaster

Windows 7 Home Premium 64bit
 
 

The main difference is hyperthreading.

i7s are not bad for gaming. But, they dont really help either.
There are a handfull of games, mostly RTS games, that can benefit from the HT. But there are not that many of these games.
Furthermore, a large majority of PC games are ported console games, and usually only use 1 or 2 threads. Granted thats not always the case and many more are coming out that will use 4, but the majority at this time do not.

This is why many will say if its a gaming only PC, a i5 is really all you need as theres very very little that can take advantage of HT.


2 major things that come to mind that benefit from HT are CPU based Video Encoding and Folding.

Generally speaking, for a gaming only machine, your better off going with the i5 and put the extra $100 you save toward a more powerful GPU. Unless money for the build is of no concern.
But in all reality, both are good CPUs. It just comes down to whether you can make use of the HT or not.
As mentioned in the other thread, most will not need it, nor use it, in which case it is essentially money wasted that can better spent elsewhere.
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