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CPU Loading - Photoshop & iTunes |
L2 Cache
|
L3 Cache
|
Time, Sec.
|
Reference Apple Systems | |||
PM G4/466MHz Digital Audio |
1MB SPB SRAM
|
0MB
|
1695 |
PM G4/733MHz QuickSilver |
256k On Chip
|
0MB
|
1385 |
PM G4/867MHz QuickSilver |
256k On Chip
|
2MB DDR SRAM
|
1000 |
PM 2x G4/1GHz QuickSilver 2002 |
256k On Chip x2
|
2MB DDR SRAM x2
|
545 |
PM 2x G4/867MHz Mirrored Drive Door |
256k On Chip x2
|
1MB DDR SRAM x2
|
598 |
PM 2x G4/1GHz Mirrored Drive Door |
256k On Chip x2
|
1MB DDR SRAM x2
|
498 |
PM G4/1GHz (MDD) FireWire 800 |
256k On Chip
|
1MB DDR SRAM
|
900 |
PM 2x G4/1.25GHz (MDD) FireWire 800 |
256k On Chip x2
|
1MB DDR SRAM x2
|
433 |
PM 2x G4/1.42GHz (MDD) FireWire 800 |
256k On Chip x2
|
2MB DDR SRAM x2
|
374 |
Acceleration Cards | |||
GigaDesigns G4/800MHz |
256k On Chip
|
2MB SPB SRAM
|
1101 |
OWC Mercury Extreme G4/800MHz |
256k On Chip
|
2MB SPB SRAM
|
1097 |
PowerLogix PowerForce S233 G4/800MHz |
256k On Chip
|
2MB SPB SRAM
|
1140 |
Sonnet Encore/ST G4/800MHz |
256k On Chip
|
2MB DDR SRAM
|
1125 |
GigaDesigns G4/1GHz |
256k On Chip
|
2MB SPB SRAM
|
938 |
Sonnet Encore/ST G4/1GHz |
256k On Chip
|
2MB DDR SRAM
|
940 |
PowerLogix PowerForce S233 G4/1.2GHz |
256k On Chip
|
2MB SPB SRAM
|
823 |
Sonnet Encore/ST G4/1.2GHz |
256k On Chip
|
2MB DDR SRAM
|
826 |
GigaDesigns G4/1.26GHz |
256k On Chip
|
2MB DDR SRAM
|
791 |
OWC Mercury Extreme G4/1.26GHz |
256k On Chip
|
2MB DDR SRAM
|
706 |
OWC Mercury Extreme G4/1.33GHz |
256k On Chip
|
2MB DDR SRAM
|
690 |
GigaDesigns G4/1.4GHz @ 1.467GHz |
256k On Chip
|
2MB DDR SRAM
|
644 |
OWC Mercury Extreme G4/1.467GHz |
256k On Chip
|
2MB DDR SRAM
|
643 |
PowerLogix PowerForce 2x867MHz |
256k On Chip x2
|
2MB SPB SRAM x2
|
648 |
PowerLogix PowerForce 2x933MHz |
256k On Chip x2
|
2MB SPB SRAM x2
|
588 |
PowerLogix PowerForce 2x1.0GHz |
256k On Chip x2
|
2MB SPB SRAM x2
|
576 |
PowerLogix PowerForce 2x1.2GHz |
256k On Chip x2
|
2MB SPB SRAM x2
|
532 |
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Time to execute Photoshop 7 test script while iTunes visuals are running full screen in the background. All times in seconds, shorter bars are better. The above test is a seriously difficult task for any processor to run. If you wish to duplicate it, this is what is involved. I would use caution - this CAN AND WILL overheat processors. If you have problems with your machine locking up while running this test, investigate the thermal bond between the heatsink and processor - this will stress your computer more than anything!
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