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I7-920 stock 2.66 any good?

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  • CPUs
  • Intel i7
Last response: in CPUs
July 13, 2010 9:53:07 PM

Hey guys

So after some problems with my new comp (1055t processor), I'll be getting a new computer (basically they're just swapping it free of charge), and instead of my 1055t I'll be getting a i7-920 with my HD 5870.

I'm just curious though, because since I won't be able to overclock this cpu (and I hear its a nice overclocker), will it still be good for most things I throw at it? It seems like it might be a downgrade since my 1055t was 2.88 ghz and the i7-920 is 2.66ghz. Will I notice the difference? I've also noticed that for gaming, even though the 920 has less ghz, it seems to perform better. Why is that?

Thanks for your help guys, I really appreciate it.

More about : 920 stock good

a c 203 à CPUs
July 13, 2010 10:10:50 PM

You're going to be in good shape with the i7 920.
Here are some benchmark comparisons between X6 1055T and i7 920.
The Nehalem (i7) architecture is just a little bit more efficient than the Thuban (1055T).
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a b à CPUs
July 13, 2010 10:11:49 PM

Yes, even at stock, the i7 920 is very good. Clock per clock, the Core2s are slightly faster than the PhenomIIs, and clock per clock, the Corei7s are faster then Core2s.

So for programs that use 4 cores or less, your i7 920 will have an advantage despite it having slightly less Mhz.
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Related resources
July 13, 2010 10:16:26 PM

Wow there's actually a pretty noticeable difference between the two, didn't expect that.

Is the difference because most programs really only utilize between 2-4 cores and rarely ever 6 cores?
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a c 203 à CPUs
July 13, 2010 10:18:47 PM

A couple X6 1090T & 1055T reviews:
@ THG
@ AnandTech
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a c 203 à CPUs
July 13, 2010 10:22:26 PM

thestud said:
Is the difference because most programs really only utilize between 2-4 cores and rarely ever 6 cores?
That's partly true. With exceptions for good multi-threaded programs. Examples:
iTunes doesn't scale at all beyond 2 cores


Handbrake scales better but tails off abit after 4 cores.

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July 13, 2010 10:23:35 PM

Why can not you overclock?
in high resolution like 1920 and 2560 (high setting) there is no difference.max is 1-2 FPS.
but in multi-threaded the difference is noticeable.
what is your mainboard?
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July 13, 2010 10:29:56 PM

This comp will be a dell xps 9000. I've heard that Dell locks their BIOS and does not allow overclocking. If anyone can let me know of a way that I can overclock this dell please let me know.
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a c 203 à CPUs
July 13, 2010 10:32:17 PM

The upside: Even if you can't overclock your Dell ... you're still getting a i7 920.
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July 13, 2010 10:35:49 PM

Yeah, it's nice of them to replace my 1055t processor with it. I'm hoping I don't have any problems with a 475W PSU though (I've heard they underrate their PSU's by quite a bit).

Also, just out of curiosity, my current comp (1055T HD 5870) scores a FFXIV benchmark score of 4100 on high. Does anyone know what the i7-920 and 5870 will score?
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a c 203 à CPUs
July 13, 2010 10:37:37 PM

It will be interesting to see what you do get when you run the FFXIV benchmark again with your i7 920 / 5870 and compare the scores.
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July 13, 2010 10:40:41 PM

WR2 said:
It will be interesting to see what you do get when you run the FFXIV benchmark again with your i7 920 / 5870 and compare the scores.


Yeah it will probably be one of the first things I do once I get my xps 9000. I've seen some sites with the i7-920 benchmark score but it's always overclock to like 3.8 or 3.3 GHz, so I don't think I can really compare them to the stock 2.67.
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a c 203 à CPUs
July 13, 2010 10:41:34 PM

You should have no problem with that 475W PSU. You should even be able to overclock your 5870 without a problem.
MSI Afterburner (it will work on any 5870)
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July 13, 2010 10:45:48 PM

WR2 said:
You should have no problem with that 475W PSU. You should even be able to overclock your 5870 without a problem.
MSI Afterburner (it will work on any 5870)


Whoa, I wouldn't even know how to use that. Has anyone tried it before with the 5870? I'll start looking at some guides. Thanks!
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a c 203 à CPUs
July 13, 2010 10:52:59 PM

Yes they have. It runs well with most video cards including the newest Nvidia 4xx cards.

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a c 203 à CPUs
July 13, 2010 10:55:42 PM

It's pretty easy - just move the sliders - and test to see it's stable, and not overheating.
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July 13, 2010 10:56:58 PM

Oh ok, thanks WR2! I'll probably start watching some youtube videos of it to see how it works as I'm not too computer savvy. Thanks again everyone.
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July 13, 2010 11:35:58 PM

thestud said:
Yeah, it's nice of them to replace my 1055t processor with it. I'm hoping I don't have any problems with a 475W PSU though (I've heard they underrate their PSU's by quite a bit).

Also, just out of curiosity, my current comp (1055T HD 5870) scores a FFXIV benchmark score of 4100 on high. Does anyone know what the i7-920 and 5870 will score?


what kind of PSU you have there?
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July 13, 2010 11:51:23 PM


It's the stock PSU that comes with the dell xps 9000.
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