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The SpeedZone: Performance Comparison Of Intel Core 2 Duo and Intel Core Duo iMacs




Updated: Thursday, October 19, 2006

Processor Performance
Multitasking Performance
Graphics Performance
Game Performance
Drive Performance
Past Results


Below you will find performance results for the currently shipping and past generation of iMacs machines. This will, hopefully, give you an feel for the relative performances. We will be adding new machines on an on-going basis ... so check back once in a while.

Don't see performance information on the Mac you are interested in? Send a request for a performance comparison between any two Macs.


"Real World" Tests

For timed scores, lower numbers are better. For the CineBench & Game scores higher numbers are better. Of course the higher the percentage, the better the performance.

Processor - Single

Machine - Power Mac Score Percentage
of Base
Base Machine - Power Mac G4/1 GHz Dual Processor - M8667LL//A 116 100%
September 2006 iMac Intel Core 2 Duo
iMac 24" Intel 2.33GHz Intel Core 2 Duo - Z0DD 386 333%
iMac 24" Intel 2.16GHz Intel Core 2 Duo - MA456LL 358 309%
iMac 20" Intel 2.16GHz Intel Core 2 Duo - MA589LL 359 309%
iMac 17" iMac Intel 2.0GHz Intel Core 2 Duo - MA590LL 332 286%
iMac 17" Intel 1.83GHz Intel Core 2 Duo - MA710LL 304 262%
January 2006 iMac Intel Core Duo
iMac Intel Core Duo 2GHz 20" - MA200LL 308 266%
iMac Intel Core Duo 1.83GHz 17 " - MA199LL 283 244%

CineBench consists of a series of tests. This one, tests basic single CPU processing performance. . You can download the CineBench program to run on your own machine and compare scores. The scores above are actual scores ... not timed tests. Higher numbers are better

Processor - Dual
Machine - Power Mac Score Percentage
of Base
Base Machine - Power Mac G4/1 GHz Dual Processor - M8667LL//A 182 100%
September 2006 iMac Intel Core 2 Duo
iMac 24" Intel 2.33GHz Intel Core 2 Duo - Z0DD 707 388%
iMac 24" Intel 2.16GHz Intel Core 2 Duo - MA456LL 655 360%
iMac 20" Intel 2.16GHz Intel Core 2 Duo - MA589LL 657 361%
iMac 17" iMac Intel 2.0GHz Intel Core 2 Duo - MA590LL 606 333%
iMac 17" Intel 1.83GHz Intel Core 2 Duo - MA710LL 555 305%
January 2006 iMac Intel Core Duo
iMac Intel Core Duo 2GHz 20" - MA200LL 565 310%
iMac Intel Core Duo 1.83GHz 17 " - MA199LL 518 285%

This is the same test as above, however it will take advantage of multiple processors if they are present. The scores above are actual scores ... not timed tests. Higher numbers are better - You can download the CineBench program

Processor MultiTasking
Machine - Power Mac Seconds Percentage
of Base
Base Machine - Power Mac G4/1 GHz Dual Processor - M8667LL//A 235.84 100%
September 2006 iMac Intel Core 2 Duo
iMac 24" Intel 2.33GHz Intel Core 2 Duo - Z0DD 102.47 230%
iMac 24" Intel 2.16GHz Intel Core 2 Duo - MA456LL 110.51 213%
iMac 20" Intel 2.16GHz Intel Core 2 Duo - MA589LL 110.45 214%
iMac 17" iMac Intel 2.0GHz Intel Core 2 Duo - MA590LL 117.52 201%
iMac 17" Intel 1.83GHz Intel Core 2 Duo - MA710LL 131.38 180%
January 2006 iMac Intel Core Duo
iMac Intel Core Duo 2GHz 20" - MA200LL n/a n/a
iMac Intel Core Duo 1.83GHz 17 " - MA199LL n/a n/a

Two QuickTime encodes are carried out at the same time

Processor Saturation
September 2006 iMac Intel Core 2 Duo - Seconds
iMac 24" Intel 2.33GHz Intel Core 2 Duo - Z0DD 146.6 128%
iMac 24" Intel 2.16GHz Intel Core 2 Duo - MA456LL 157.9 119%
iMac 20" Intel 2.16GHz Intel Core 2 Duo - MA589LL 157.8 119%
iMac 17" iMac Intel 2.0GHz Intel Core 2 Duo - MA590LL 171 110%
iMac 17" Intel 1.83GHz Intel Core 2 Duo - MA710LL 187.9 100%

This score is based on Power Fractal which you can download and run on your own machine. To compare with these scores set Power Fractal to Maximum Count of 524288



Graphics Card
Machine - Power Mac Score Percentage
of Base
Base Machine - Power Mac G4/1 GHz Dual Processor - M8667LL//A 194 100%
September 2006 iMac Intel Core 2 Duo
iMac 24" Intel 2.33GHz Intel Core 2 Duo - Z0DD 4261 2196%
iMac 24" Intel 2.16GHz Intel Core 2 Duo - MA456LL 4112 2120%
iMac 20" Intel 2.16GHz Intel Core 2 Duo - MA589LL 3490 1799%
iMac 17" iMac Intel 2.0GHz Intel Core 2 Duo - MA590LL 3270 1686%
iMac 17" Intel 1.83GHz Intel Core 2 Duo - MA710LL 1432 738%
January 2006 iMac Intel Core Duo
iMac Intel Core Duo 2GHz 20" - MA200LL n/a n/a
iMac Intel Core Duo 1.83GHz 17 " - MA199LL n/a n/a

This part of the CineBench program relies on the graphics card for graphics rendering. Download the program and run your own test.

Graphics Card Gaming
Machine - Power Mac FPS Percentage
of Base
Base Machine - Power Mac G4/1 GHz Dual Processor - M8667LL//A 19 100%
September 2006 iMac Intel Core 2 Duo
iMac 24" Intel 2.33GHz Intel Core 2 Duo - Z0DD 49 258%
iMac 24" Intel 2.16GHz Intel Core 2 Duo - MA456LL 45 237%
iMac 20" Intel 2.16GHz Intel Core 2 Duo - MA589LL 30 158%
iMac 17" iMac Intel 2.0GHz Intel Core 2 Duo - MA590LL 30 158%
iMac 17" Intel 1.83GHz Intel Core 2 Duo - MA710LL 25 132%
January 2006 iMac Intel Core Duo
iMac Intel Core Duo 2GHz 20" - MA200LL 32 168%
iMac Intel Core Duo 1.83GHz 17 " - MA199LL 30 158%

4x4 EVO2 is a demanding racing game. It appears that this game is much more graphics card dependent than processor dependent. The scores above are actual scores (frames per second) ... not timed tests. Higher numbers are better

Quake 4 Results
Machine - Power Mac FPS Percentage
of Base
Base Machine - Power Mac G4/1 GHz Dual Processor - M8667LL//A 11.9 100%
September 2006 iMac Intel Core 2 Duo
iMac 24" Intel 2.33GHz Intel Core 2 Duo - Z0DD 58.7 493%
iMac 24" Intel 2.16GHz Intel Core 2 Duo - MA456LL 52.1 438%
iMac 20" Intel 2.16GHz Intel Core 2 Duo - MA589LL 55.6 438%
iMac 17" iMac Intel 2.0GHz Intel Core 2 Duo - MA590LL 47.2 397%
iMac 17" Intel 1.83GHz Intel Core 2 Duo - MA710LL 12.2 103%
January 2006 iMac Intel Core Duo
iMac Intel Core Duo 2GHz 20" - MA200LL n/a n/a
iMac Intel Core Duo 1.83GHz 17 " - MA199LL n/a n/a

This test is based on the Quake 4 Time Demo . It appears that this game is much more graphics card dependent than processor dependent. The scores above are actual scores (frames per second) ... not timed tests. Higher numbers are better

Hard Drive Performance - Multi-File

Machine - Power Mac Seconds Percentage
of Base
Base Machine - Power Mac G4/1 GHz Dual Processor - M8667LL//A 204.91 100%
September 2006 iMac Intel Core 2 Duo
iMac 24" Intel 2.33GHz Intel Core 2 Duo - Z0DD 77.51 264%
iMac 24" Intel 2.16GHz Intel Core 2 Duo - MA456LL 75.31 272%
iMac 20" Intel 2.16GHz Intel Core 2 Duo - MA589LL 75.52 271%
iMac 17" iMac Intel 2.0GHz Intel Core 2 Duo - MA590LL 73.06 280%
iMac 17" Intel 1.83GHz Intel Core 2 Duo - MA710LL 84.02 244%
January 2006 iMac Intel Core Duo
iMac Intel Core Duo 2GHz 20" - MA200LL 79.74 257%
iMac Intel Core Duo 1.83GHz 17 " - MA199LL 78.34 262%

1GB folder with thousands of files is duplicated

Hard Drive Performance Single File
Machine - Power Mac Seconds Percentage
of Base
Base Machine - Power Mac G4/1 GHz Dual Processor - M8667LL//A 754.29 100%
September 2006 iMac Intel Core 2 Duo
iMac 24" Intel 2.33GHz Intel Core 2 Duo - Z0DD 236.77 319%
iMac 24" Intel 2.16GHz Intel Core 2 Duo - MA456LL 240.87 313%
iMac 20" Intel 2.16GHz Intel Core 2 Duo - MA589LL 239.32 315%
iMac 17" iMac Intel 2.0GHz Intel Core 2 Duo - MA590LL n/a n/a
iMac 17" Intel 1.83GHz Intel Core 2 Duo - MA710LL 265.84 284%
January 2006 iMac Intel Core Duo
iMac Intel Core Duo 2GHz 20" - MA200LL 266.58 283%
iMac Intel Core Duo 1.83GHz 17 " - MA199LL 258.64 292%

Single 6.7GB file is duplicated

QuickTime Encode

Machine - Power Mac Seconds Percentage
of Base
Base Machine - Power Mac G4/1 GHz Dual Processor - M8667LL//A 134.88 100%
September 2006 iMac Intel Core 2 Duo
iMac 24" Intel 2.33GHz Intel Core 2 Duo - Z0DD 58.84 229%
iMac 24" Intel 2.16GHz Intel Core 2 Duo - MA456LL 64.34 210%
iMac 20" Intel 2.16GHz Intel Core 2 Duo - MA589LL 64.40 209%
iMac 17" iMac Intel 2.0GHz Intel Core 2 Duo - MA590LL 68.51 197%
iMac 17" Intel 1.83GHz Intel Core 2 Duo - MA710LL 77.22 175%
January 2006 iMac Intel Core Duo
iMac Intel Core Duo 2GHz 20" - MA200LL n/a n/a
iMac Intel Core Duo 1.83GHz 17 " - MA199LL n/a n/a

1.2GB movie is exported as QuickTime movie

iDVD Import

Machine - Power Mac Seconds Percentage
of Base
Base Machine - Power Mac G4/1 GHz Dual Processor - M8667LL//A 392.53 100%
September 2006 iMac Intel Core 2 Duo
iMac 24" Intel 2.33GHz Intel Core 2 Duo - Z0DD 144.84 271%
iMac 24" Intel 2.16GHz Intel Core 2 Duo - MA456LL 137.76 285%
iMac 20" Intel 2.16GHz Intel Core 2 Duo - MA589LL 138.84 283%
iMac 17" iMac Intel 2.0GHz Intel Core 2 Duo - MA590LL 148.17 265%
iMac 17" Intel 1.83GHz Intel Core 2 Duo - MA710LL 187.38 209%
January 2006 iMac Intel Core Duo
iMac Intel Core Duo 2GHz 20" - MA200LL n/a n/a
iMac Intel Core Duo 2GHz 20" - MA200LL n/a n/a

1.2GB File is imported into iDVD


Don't see performance information on the Mac you are interested in? Send a request for a performance comparison between any two Macs.

Have a question about the results above? Shoot us a line


Disclaimer performance benchmarks are only a guide to relative performance, and to a certain extent limited. The only performance benchmark that will have full meaning for you, will be the one you run, on your new machine, using your applications and employing your work flow. Given this, while we believe that the information we will provide you will give a general guide to relative performance, and we will endeavor to make sure that it is as accurate as possible, we offer no implied or actual guarantee that this is so. People who need mission critical data, should be doing performance testing in-house.

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