Sweet spot?

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jasonx

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Jul 20, 2008
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Hey guys.

So after reading many articles I can see that a i5/i7 @ 2.66 speed is giving the same performance as 4.0 in gaming.This is only in rez of 1920x1200 and above with aa and af on.So high cpu speeds will be usefull for more then one gpu.So can you guys verify if my theory is correct.If so why do u guys think ppl buy high end cpu's when they could try to over clock?

 
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OCed to even 3.0GHz, there will be benefits to benchmarks and multi-GPU rigs

IIRC, the sweet spot is around 3.6GHz, with a steep drop off at around 3.8GHz. Above that speed, the performance boost is next to nothing, and heat/power consumption spikes exponentially.

Taking it above 3.8GHz requires a relatively large voltage increase to maintain stability.


Higher end CPUs overclock better, and are generally better for people who don't plan to OC.
 
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Reasons:

1. Too lazy to OC and have the money to burn

2. It's easier to OC CPUs that has higher native frequency.

3. To have something to brag about.

4. CPUs that has high native frequency normally have some extra features(e.g. unlocked multiplier and higher FSB/QPI of Extreme Editions) which are useful to some people who can take great advantage of them in CAD.
 
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1) overclocking voids your warranty.
2) Some people do not want to overclock, have the money, and want the best.

A faster cpu is always better, but there are diminishing returns. At some point, the cpu needs only to be capable of driving the vga configuration to about 60 fps consistently for best gameplay. For most games, the vga card/s is the critical factor, particularly at 2560 x 1600. For some games, like FSX, the cpu is the limiting factor.
 
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What I have a harder time understanding is why peeps question other peeps buying something better than they did .... obvious answer, they have more disposable income.

You have two things you can do with your disposable income ...... a) spend it or b) let your kids spend it when you're dead.

It's certainly true that a 920 will OC past a 940, 950, 965, 975 .... it's also certainly true that a 940 will OC higher than a 920, and so on up the ladder.

Might as well ask why people don't all live on Big Macs, Kraft Mac & Cheese and Ramen Soup.

Value choices are very personal. How long will you spend dialing in the final OC on your box ? 10....20 ....40....60 hours ? What's that time worth ?

Why would anyone drive a Porsche when a Ford Escort gets them to work ?
Why not take ya sweetie out to McDonald's for your anniversary ?
Why go to an Ivy League college instead of community college ?
Why buy a nice bottle of wine when Ripple will give ya the same buzz ?

Because what the buyer is getting for it means more to the buyer than what he/she is giving up for it.
 
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I believe the main reason the i5 doesn't see much increase in gaming when overclocked is because it maxes out the GPU at such a low setting. (and turbo helps a little bit)

If you were to lower the resolution you would probably see increase when OCing and the same goes for it you had a killer GPU setup.

I think a higher clock will sometimes help minimum rates either way a bit.
 
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Thanks for the info guys.I can now see that buying a i7 920 or i5 750 will give me same performance as any other cpu speed gaming at 1920x1200 will all the aa and af on.:)
 
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