Core i7 3770K & 3750 review with Z77 DZ77GA-70K mobo [Guru3D.com]

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We review the Core i7 3770K and 3750 Ivy bridge processors alongside Intel's Z77 DZ77GA-70K motherboard. Will Ivy Bridge be the processor series everything you expected Performance wise the all new...

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slickric21 · 04-23-2012, 18:13 | posts: 1,690 | Location: U.K

Is this true, 3570k has hyperthreading ?

Quotes taken from review...

Quote:

Desktop Core i7 processors have four cores / eight hyper-threads / Up to 8 MB L3 cache
Desktop Core i5 processors have four cores / NO hyper-threading (with one exception) / Up to 6 MB L3 cache
Desktop Core i3 processors have two cores and are TBA

Quote:

Series Core i5 Core i5 Core i5 Core i5 Core i5
Processor 3570K 3550 3550S 3450 3450s
Price $212 $194 $194 $174 $3174
TDP 77W 77W 65W 77W 65W
Cores / Threads 4/8 4/8 4/8 4/4 4/4
Frequency GHz 3.4 3.3 3.0 3.1 2.8
Max Turbo GHz 3.8 3.7 3.7 3.5 3.5
DDR3 MHz 1600 MHz 1600 MHz 1600 MHz 1600 MHz 1600 MHz
L3 Cache 6MB 6MB 6MB 6MB 6MB
Intel HD Graphics 4000 2500 2500 2500 2500
GPU Max freq 1150 MHz 1150 MHz 1150 MHz 1100 MHz 1100 MHz
Hyper-Threading Yes Yes Yes Yes Yes
AVX Extensions Yes Yes Yes Yes Yes
Socket LGA 1155 LGA 1155 LGA 1155 LGA 1155 LGA 1155

Quote:

ext in line for the enthusiast will be the 3570K at 212 USD (non K model is 194 USD). This might become the most popular processor, at least we think it will be. The L3 cache is only a hint smaller at 6MB but it still hyper-threads to 8 units and the default clocks are only 200 MHz lower than the 3770K. You can tweak that out of the processor in like 5 seconds. At 212 USD, that's going to be a very interesting processor alright.

pimp_gimp · 04-23-2012, 18:21 | posts: 5,768 | Location: Tacoma, Washington

Very nice review, HH. Seems like it will be a great option for those not already on 2500k, 2600k, and 2700k's.

theillusiveman · 04-23-2012, 18:22 | posts: 120 | Location: British Columbia, Canada

You linked the i7 3770K & 3750 review discussion to the 2500K and 2600k review discussion.

I was a little confused for a sec lol.

Xzibit · 04-23-2012, 18:32 | posts: 4,383 | Location: Europe

Thanks.
I'll buy one 3770K

RoadKillNL · 04-23-2012, 18:34 | posts: 2,547 | Location: The Netherlands

TinyTomLogans review is interesting aswell.

Gonna wait for Haswell and get a GTX680 4GB as soon as the right model comes out. Will boost my PC more.

teleguy · 04-23-2012, 18:43 | posts: 1,016

Should it not say "Core i7 3770K and 3570K review" ?

ThEcLiT · *Last edited by ThEcLiT; 04-23-2012 at 18:56.*

is i5 3570K has 4Cores 8threads really ? thanks

edit: Seems like its so... And 212usd 6mb L3 , this cpu will sell hell alot of amounts for sure!

deltatux · 04-23-2012, 19:06 | posts: 18,773 | Location: Toronto, Canada

Quote:

Originally Posted by teleguy

Should it not say "Core i7 3770K and 3570K review" ?

I was about to say this... I'm like, there's no 3750 there, it's the 3570. Oddly it doesn't seem to be the 3570K, but the 3570... confusing indeed

deltatux

Hilbert Hagedoorn · 04-23-2012, 19:07 | posts: 16,955 | Location: Guru3D testlab

the 3500 series has 4c/8t yes ...

fr33k · 04-23-2012, 19:09 | posts: 1,784 | Location: USA

Quote:

Originally Posted by Hilbert Hagedoorn

the 3500 series has 4c/8t yes ...

why does everything seem to say 4 cores 4 threads?

pimp_gimp · 04-23-2012, 19:10 | posts: 5,768 | Location: Tacoma, Washington

Quote:

Originally Posted by ThEcLiT

is i5 3570K has 4Cores 8threads really ? thanks

edit: Seems like its so... And 212usd 6mb L3 , this cpu will sell hell alot of amounts for sure!

According to Intel specifications it only has 4 threads,

http://www.intel.com/content/www/us/...tml?proc=65520

and I would believe them over a review, even if its G3D.

Hilbert Hagedoorn · 04-23-2012, 19:13 | posts: 16,955 | Location: Guru3D testlab

Based on the info we got from Intel have a peek yourself.

I will take this up with Intel, the CPU was already returned and it might as wel be a cockup in the PDF file we obtained:

pimp_gimp · 04-23-2012, 19:16 | posts: 5,768 | Location: Tacoma, Washington

Quote:

Originally Posted by Hilbert Hagedoorn

Based on the info we got from Intel have a peek yourself:

Interesting, as the link I gave says that there's only 4 threads, I wonder which is right? What showed in device manager and CPU-Z when you did the review?

Hilbert Hagedoorn · 04-23-2012, 19:18 | posts: 16,955 | Location: Guru3D testlab

I will take this up with Intel, the CPU was already returned and it might as wel be a cockup in the PDF file we obtained.

I'm slowly leaning to 4/4 instead of 4/8 though ...

pimp_gimp · 04-23-2012, 19:25 | posts: 5,768 | Location: Tacoma, Washington

Quote:

Originally Posted by Hilbert Hagedoorn

I will take this up with Intel, the CPU was already returned and it might as wel be a cockup in the PDF file we obtained.

I'm slowly leaning to 4/4 instead of 4/8 though ...

Alright, it'd be interesting to find out what they say, and whether that was a misprint in the PDF.

teleguy · 04-23-2012, 19:26 | posts: 1,016

Quote:

Originally Posted by pimp_gimp

Interesting, as the link I gave says that there's only 4 threads, I wonder which is right? What showed in device manager and CPU-Z when you did the review?

Well, here's a shot from a different review.

Symbiosis · 04-23-2012, 19:28 | posts: 434 | Location: Kent - England

Well its finally time to ditch my trusty old qx9650 and get a 3770K, can anyone recommend me a motherboard and cooler to look at?

pimp_gimp · 04-23-2012, 19:34 | posts: 5,768 | Location: Tacoma, Washington

Quote:

Originally Posted by teleguy

Well, here's a shot from a different review.

Seems as though 4 is the correct number and as Hilbert put it, there's possibly a cockup in the PDF that G3D obtained from Intel.

MM10X · *Last edited by MM10X; 04-23-2012 at 19:37.*

Its weird though, in the benchmarks the 3570k is close to the 3770k as if it where hyperthreaded...

Maybe he got a ES chip with 8 threads somehow?

Thanks for the info, HH.

pimp_gimp · 04-23-2012, 19:37 | posts: 5,768 | Location: Tacoma, Washington

Quote:

Originally Posted by MM10X

Its weird though, in the benchmarks the 3570k is close to the 3770k as if it where hyperthreaded...

Maybe he got a ES chip with 8 threads somehow?

He's going by the PDF that they got from Intel, as he shipped the 3570k back to Intel already, and according to other sources and Intel's own website the information is misleading.

also,

http://images.anandtech.com/reviews/...up-desktop.jpg

Hilbert Hagedoorn · 04-23-2012, 19:39 | posts: 16,955 | Location: Guru3D testlab

It was a misprint in the provided Intel PDF, it's 4/4. This has been updated in the content.

IPlayNaked · 04-23-2012, 19:41 | posts: 6,559

Given the problems with overclocking other people have seen with these processors (due to heat concerns) I'm a little disappointed this review really mentioned nothing at all about temperatures.

At 1.4v, on stock cooling, your overclock results...

Anandtech has the same processor tested with the Intel Liquid Cooling solution (I'm not sure if that's what you used here?) but they've posted up numbers showing 90C at 1.25v/4.5ghz. Other websites show similar results. Your's does also, interestingly:

In 3dmark11 the scores are almost identical despite an extra Ghz.

I think your processor here is severely throttling.

There's no way that that chip is at 1.4v and a real 4.9Ghz. Everywhere else is saying to expect no more than 4.6ghz on air.