MacBook Pro :: Quad Core Versus Dual Core?

Jan 8, 2011

Just in case Apple surprise us with a Sandybridge Quad core, and even if they don't I was wondering the following.

1 ) During sustained use in 3D gaming does a Quadcore with lower clock speeds beat a dual core with higher clock speeds.

2) Can the quoted turbo speeds be achieved in sustained use (ie 3D gaming where maximal load can be applied for a couple of hours).

[URL]

i7-2630QM
Base Frequency 2.0GHz
Max SC Turbo 2.9GHz
Max DC Turbo 2.8GHz
Max QC Turbo 2.6GHz

i7-2620M
Base Frequency 2.7GHz
Max SC Turbo 3.4GHz
Max DC Turbo 3.2GHz
Max QC Turbo N/A

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Hardware :: Dual Core Versus Quad Core Imac?

Oct 21, 2009

I do alot of photography with a canon dslr, I also plan to edit short HD videos as well as some photoshop and flash animation work.

Will I benefit greatly from the Quad Core Imac over the Dual Core Imac?

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Mar 6, 2008

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So I was talking to my friend about the new MPs and that they should have two 6 core processors in it.

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He was saying that render times on Maya wouldn't be very different when comparing a quad core versus two hexa cores. I don't agree with him but would like someone elses opinion on this.

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MacBook Pro :: Fast Is Quad-core Compared To Dual-core?

May 28, 2012

I'm buying a new MacBookPro but can't decide, due to lack of knowledge, wich one to choose and if there's a noticeble difference between,  15.4" MacBook Pro Notebook Computer 2.2GHz Intel Core i7 Quad-Core4GB of DDR3 RAM500GB 5400rpm Hard DriveAMD Radeon HD 6750M 512MB Graphics15.4" LED-Backlit Glossy Display1400 x 900 Native ResolutionSlot-Loading SuperDrive802.11a/b/g/n Wi-Fi, Bluetooth 2.1+EDRFaceTime HD Camera, Built-in MicrophoneMac OS X 10.7 Lion (64-bit) 

and the   13.3" MacBook Pro Notebook Computer 2.8GHz Intel Core i7 Dual-Core8GB of DDR3 RAM (2x4GB)750GB 5400rpm Hard DriveIntel HD 3000 Graphics13.3" Glossy Widescreen Display1280 x 800 Native ResolutionSuperDrive, Secure Digital Card SlotFaceTime HD Camera, Omnidirectional Mic802.11n Wi-Fi, Bluetooth 2.1+EDRMac OS X 10.7 Lion 

Besides the screen size, one would be considerable faster?

I use Photoshop and beeing a photographer I deal with large files.

Info:
MacBookPro 2.66GHz 4GB 1067MHz DDR3, Mac OS X (10.6.2)

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I'm just going to order a new Mac Pro and noticed that it was slightly cheaper to order the base dual processor model and buy the 2.93GHz hex cores myself. A couple of questions arise:

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Is there market for the 2.4GHz processors?

Can I upgrade to the 3.33GHz processors or will this not work?

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Info:
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Information:
PowerPC G5 Dual 2.3
Mac OS X (10.4.11)

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Apr 1, 2008

is it even possible to upgrade an old dual core powermac g5 to a quad core or even an 8 core.

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IMac :: New IMacs To Use Both Dual-core And Quad-core Configs?

Feb 2, 2009

[URL]

What you say guys?

I know the same article is on main page

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Oct 7, 2010

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Apr 13, 2010

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Aug 17, 2010

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Then, there was another article which claimed that even the Core i3-550 @ 3.2GHz is supposedly faster than the quad-core i5 @ 2.8GHz in a few scenarios. I realize that the Core i3 does not have Turbo Boost, but it does have Hyper-Threading which OS X sees as 4 (virtual) cores. The Core i5 does not have Hyper-threading, but it has 4 "actual" cores, and it also has Turbo Boost. Hmmm...

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Apr 18, 2010

There's a lot of people wondering if the 13" MBPs would have been a lot better with a Core i3 processor, but everything has been just hangups over perceived old vs. new technology, and really the only thing the Core i3 adds is Hyper-Threading, but it doesn't have Turbo Boost, which helps the Core i5/i7s tremendously. Let's compare using Geekbench since it is cross-platform and one of the few available sources of info...

Core 2 Duo P8600 2.4GHz (~3362)

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vs.

Core i3 330m 2.13GHz (~3472)

[URL]

Core 2 Duo P8800 2.66GHz (~3700)

[URL]

vs.

Core i3 350m 2.26GHz (~3680)

[URL]

As you can see in both cases, the difference is pretty minimal indeed, and in single threaded applications, the C2D will easily outdo the Core i3 which lacks Turbo Boost and runs at lower clock rates.

And you get a 320M instead of Intel HD graphics with the new 13".

The Geekbench results from the old 15/17" to the new 15/17" are quite an order of magnitude better.

So unless people are expecting Core i5 processors in the 13", sticking to the C2D was actually a good decision, and given the differences between 2.4 and 2.53 isn't so large, one is far better buying the base 13" and then putting the money saved towards a good 7.2k HDD or SSD.

Note - I took averages of the 32-bit numbers and added them.

Note 2 - The C2D Pxxxx are 25W TDP processors, which are more efficient than the Core i3 which are 35W TDP processors. Less heat, better battery life from C2Ds.

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So, I am going to be selling my late 2008 15" MacBook Pro this week to get a new 27" iMac and I just need some legitimate advice from those "in the know" on processors.

I plan on having this iMac for about 3 years to do the following tasks:

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2.) Some light editing of 720p iPhone 4 clips in iMovie

3.) Surf the web, iTunes, iPhoto, Mail, and all the other standard stuff

Assuming budget is an issue, would you recommend me spending the extra money for a Quad Core i5 iMac or would I be ok based on the info above just going with the base Dual Core i3 model?

Like, will there be a considerable difference in the two machines (factoring in processor and graphics card) that will really be worth the extra $300 - $400 for 3 years of use?

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i'm especially interested in processing photographs... not necessarily in photoshop as the CS2 comparison is kinda biased, and CS3, well, if you have those data, it's very welcomed.

i'm sure MacPro 2.66 will out perform the former two by far, but by how far? and will PMG5DC out perform MBP CD 2.16 or the other way?

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If you have the guts and a few thousand dollars, why wait for Apple to release it?
[URL]

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Info:
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Aug 3, 2010

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Some things I'm curious about:

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2. Battery life? Is the battery life in the newest model much better than previous gen?

3. Heat? Is there a difference in heat production between them?

I don't care about gaming, so the 512 300m vs. 512 9600m is no concern.

Does the newest 17" justify the $549 price difference? Are there any other things that I should know between the two?

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I currently have a 24" iMac with a 2.8 Ghz Dual Core but I'm looking at buying a Mac Pro.I have been looking at the 2.26 Ghz Dual Quad, will this be faster than the iMac? I'm not really all that hot on clock speed vs cores, could someone with the relevant knowledge inform me which is better?

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