How much faster is an i7 2.66GHz vs a Intel Core Duo 3.06GHz?

Is there anywhere you can go to see how much faster these new crop of i7 chips are vs the chips they are replacing? It is always hard to try and quantify how much more you are willing to pay when you have no idea how much faster it is going to be?
Thinkpad T510-4313 CTO | Core i7 620M 2.66 GHz | 4 GB RAM | NVIDIA 3100m 512 MB | 15.6 inch LED HD Plus | Windows 7 Ultimate 64 | 1- TB (2-500 GB 7200rpm) Hard Drive |

Excellent, the chip I just bought is the 13th fastest one made right now.
That is much better than buying the 160th fastest chip. Interesting read an thanks for the link.
Thinkpad T510-4313 CTO | Core i7 620M 2.66 GHz | 4 GB RAM | NVIDIA 3100m 512 MB | 15.6 inch LED HD Plus | Windows 7 Ultimate 64 | 1- TB (2-500 GB 7200rpm) Hard Drive |

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HI..
You can purchase Snow Leopard from the Apple online store > Mac OS X 10.6 Snow Leopard - Apple Store
Make sure your Mac meets Snow Leopard requirements > Mac OS X v10.6 Snow Leopard - Technical Specifications
edited by: cs

I've a hand down black MacBook OSX10.5.8 , how can I upgrade to snow leopard, it's 2GHz intel core duo, 1GB 667 MHZ DDR2 SDRAM

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I need to sort very large Excel files and perform other operations. How much faster would this be on a MacPro rather than my MacBook Pro i7, 2.6, 15R?

I am a scientist and run my own business. Money is tight. I have some very large Excel files (~200MB) that I need to sort and perform logic operations on. I currently use a MacBookPro (i7 core, 2.6GHz, 16GB 1600 MHz DDR3) and I am thinking about buying a multicore MacPro. Some of the operations take half an hour to perform. How much faster should I expect these operations to happen on a new MacPro? Is there a significant speed advantage in the 6 core vs 4 core? Practically speaking, what are the features I should look at and what is the speed bump I should expect if I go to 32GB or 64GB? Related to this I am using a 32 bit version of Excel. Is there a 64 bit spreadsheet that I can us on a Mac that has no limit on column and row size?

Grant Bennet-Alder,
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Nobody knows except Apple. The rest of us will know when they anounce it! And of course, Final Cut Pro has been discontinued.
The age-old question: Buy soon, or wait till even better models come out?
Definitely!

How much faster or better is the new iMac... really?

Hello all,
I have a 20" 2.33Ghz C2D iMac w/256Meg video RAM, and 3Gig of RAM. I understand that many factors come in to play when you compare the over all speed of a computer. How much faster, over all, is the new iMacs over the system I have? Has anyone tested the two next to each-other yet? I am sure the new one is faster in some ways, but is it really lots faster in over all performance, or just a little?
Apple //GS

Hi Patrice,
Within Apple’s slim new 21.5- and 27-inch iMacs are NVIDIA GeForce GPUs, based on our new Kepler-class architecture, which helps make them up to 60 percent faster than last year’s models. This follows news in June that Apple’s 15-inch MacBook Pro with Retina display uses Kepler GeForce GPUs.
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http://www.engadget.com/2012/12/03/apple-imac-review-2012/
http://www.primatelabs.com/blog/2012/12/imac-27-late-2012-benchmarks/
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Bengt Wärleby wrote:
.. But may be it would be to complex.
you see from time to time such comparison charts in printed mac magazines .. I usually ignore, me no engineer
and: it could be a nice task for a comunity, to download (=not 1h, perhaps 5min?) a 'standard' video and post everybodys result to create a 'reallife chart' .. not complex, but asking too much of .. community. ...- in my small perspective, very little people are interested in movie making (and associated topics), and most people own 'their' Mac.. what need, to know the encoding times on others? kinda academic discussion ... a pro will allways ask for 'max', and amateurs like us have other criteria for buying a Mac (size of wallet)
on my old Cube, increasing RAM beyond 1GB (under OsX) made a significant jump, and switching to Intel adds another reallife noticeable speedbump ...

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Hi
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aggie

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Grant M.
Staff Software Engineer | LabVIEW Math & Signal Processing | National Instruments

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How much faster is an i7 2.66GHz vs a Intel Core Duo 3.06GHz?

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