Core i7 2600K (p)review

[IntelUser2000]

http://www.inpai.com.cn/doc/hard/138458.htm

Summary: CPU is 5% faster than i7 875K per clock. Turbo Boost 2.0 is 3-5% faster than one disabled. Power consumption numbers look good, but Lynnfield's power usage seems a bit too high. No tests were done for integrated graphics.

 

[JAG87]

That's it?

Wow, this i7 920 is looking more and more like the best purchase in computer history with regards to longevity...

 

[soccerballtux]

That's it?

Wow, this i7 920 is looking more and more like the best purchase in computer history with regards to longevity...

it's cause AMD can't lay on any pressure.

 

[OCGuy]

Which is the one without the graphics?

Does in mention overclocking? Previous previews showed massive overclocking headroom on air.

This seems to go against Anand's preview, no?

 

[aigomorla]

That's it?

Wow, this i7 920 is looking more and more like the best purchase in computer history with regards to longevity...

meh... i honestly had a platform sitting in front of me for 2 weeks.

all i need to say is:

*goes hugz the 990*

Ummm... rumor city says, there might be a dual socket 1155 coming out soon tho.
My source wouldnt verify nor deny at the claim tho.

 

[StinkyPinky]

If nothing else it is worth waiting just to get a S1155 motherboard. Ivy Bridge is only a year away and aren't they 6 and 8 core?

 

[TridenT]

That's it?

Wow, this i7 920 is looking more and more like the best purchase in computer history with regards to longevity...

No fucking joke. I've been waiting for freaking ever for the next best thing because I have been planning on skipping that series for years it seems now!

 

[mv2devnull]

Ummm... rumor city says, there might be a dual socket 1155 coming out soon tho.

Theoretically, isn't it the CPU that has to support such co-existense now that memory controller is in the package?

 

[taltamir]

I think this will be better for the laptop, where more integration means smaller mobo, better battery, and a lighter package.
intel is vastly under clocking its current chips simply because they have the fastest CPU on the market right now and there is no financial reason for them to sell something faster.

 

[Sp12]

I have a sneaking suspicion the SB processor did not have turbo-boost enabled but the 875K did.

 

[GR8Madmax]

I have a sneaking suspicion the SB processor did not have turbo-boost enabled but the 875K did.

I am a little underwhelmed by the SB numbers in the article...hoping to see a better (p)review soon since I do want to upgrade my s775 C2D rig soon.

 

[PlasmaBomb]

http://www.inpai.com.cn/doc/hard/138458.htm

Summary: CPU is 5% faster than i7 875K per clock. Turbo Boost 2.0 is 3-5% faster than one disabled. Power consumption numbers look good, but Lynnfield's power usage seems a bit too high. No tests were done for integrated graphics.

IPC seems to vary between +0 to +25%

 

[Patrick Wolf]

I think this will be better for the laptop, where more integration means smaller mobo, better battery, and a lighter package.
intel is vastly under clocking its current chips simply because they have the fastest CPU on the market right now and there is no financial reason for them to sell something faster.

To take it further they are charging OCer's a premium for the unlocked K versions. I upgrade and OC for gaming so it's not really a big deal as fast dual's are still plenty for most games. OCing SB or IB won't net me anything.

 

[Rezist]

Yeah that's not much difference.

 

[taltamir]

IPC seems to vary between +0 to +25%

IPC?

 

[IntelUser2000]

IPC seems to vary between +0 to +25%

Starcraft 2 is an outlier.

Anyway there's a possibility that the HDD is holding the CPU back. It certainly is possible. Anandtech used the X25-M on the preview.

 

[PlasmaBomb]

Starcraft 2 is an outlier.

Anyway there's a possibility that the HDD is holding the CPU back. It certainly is possible. Anandtech used the X25-M on the preview.

Yup entirely possible. I was hoping for more than a 5% IPC improvement though... from an architecture change...

(which isn't influenced by AMDs performance, Intel could crank the speed if AMD were chasing at their heels).

IPC = Instructions Per Clock

 

[Soccerman06]

Still doesn't make sense, since anand's review shows a 20ish% increase per clock. Eh who knows

 

[StinkyPinky]

These do not match what Anand had, and I'd trust him more than some random Chinese guy

 

[khon]

Still doesn't make sense, since anand's review shows a 20ish% increase per clock. Eh who knows

Anand's review showed no such thing, he said around 10%, which is really not that different from the 5% found in this preview. It could just be a different selection of benchmarks since it will vary from 0-25% on individual cases.

Also this preview makes the difference look artifically small since they are running an overclocked lynnfield against a stock SB in order to look at IPC performance. The problem with that is two-fold, first of all SB seems to be capable of higher clocks, and secondly people don't really care about IPC performance, they care about actual performance.

The difference between the i7-875k and the i7-2600K is not 5%, its 3.4/2.93*1.05=22%. On top of which you get the power savings, and the integrated graphics.

 

[IntelUser2000]

Anand's review showed no such thing, he said around 10%, which is really not that different from the 5% found in this preview. It could just be a different selection of benchmarks since it will vary from 0-25% on individual cases.

Well, Anand's review showed 10% against the Turbo Boost enabled i7 880 which at default clocks at 3.06GHz against the 3.1GHz Sandy Bridge. And that chip only had 6MB L3 versus the 8MB for INPAI's review.

 

[Rifter]

Doesnt surprise me. Thats why waiting for 2011 to upgrade your i7 or high clocked 775 quad would be a good idea.

But coming from a core 2 dual core or AMD dual core going with a SB chip would make alot of sense.

 

[phillyman36]

I have a core i7 860. I was going to get Sandy bridge when it comes out. I don't have the in depth knowledge a lot of you have but how does the avx figure into this? I do a lot of video encoding.

 

[taltamir]

I have a core i7 860. I was going to get Sandy bridge when it comes out. I don't have the in depth knowledge a lot of you have but how does the avx figure into this? I do a lot of video encoding.

we don't know for sure yet, after it is released video encoders will add support for AVX (how soon depends on how good it is) and the exact benefits of it will be benchmarked.

 

[Nemesis 1]

Anand's review showed no such thing, he said around 10%, which is really not that different from the 5% found in this preview. It could just be a different selection of benchmarks since it will vary from 0-25% on individual cases.

Also this preview makes the difference look artifically small since they are running an overclocked lynnfield against a stock SB in order to look at IPC performance. The problem with that is two-fold, first of all SB seems to be capable of higher clocks, and secondly people don't really care about IPC performance, they care about actual performance.

The difference between the i7-875k and the i7-2600K is not 5%, its 3.4/2.93*1.05=22%. On top of which you get the power savings, and the integrated graphics.

Well actually Anand said The diffeance was between 10%-30% in favor of SB or 20% average. Thats what he said . You are saying nothing like what AT said in his review of early silly . This is also early silly. This preview is flawed . SB is an easy 20% faster at =$$$$. I month all will see clearly .