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Revisiting the Caviar WD1000BB and the 'Cuda ATA IV


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Revisiting the Caviar WD1000BB and the 'Cuda ATA IV
  October 8, 2001 Author: Eugene Ra  


WB99/Win2k WinMarks

 Testbed II WB99/Win2k WinMarksDetails... 
Windows 2000 Professional using NTFS
Western Digital Caviar WD1000BB-SE (100 GB ATA-100) - 10900|
|
Western Digital Caviar WD1000BB (100 GB ATA-100) - 8693|
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Maxtor DiamondMax Plus 60 (60.0 GB ATA-100) - 8193|
|
Seagate Barracuda ATA IV (80 GB ATA-100) - 8127|
|
Seagate Barracuda ATA IV (80 GB ATA-100) w/ AAM On - 8067|
|
IBM Deskstar 60GXP (60.0 GB ATA-100) - 7720|
|
Windows 2000 Professional using NTFS
Western Digital Caviar WD1000BB-SE (100 GB ATA-100) - 25567|
|
Western Digital Caviar WD1000BB (100 GB ATA-100) - 22533|
|
Seagate Barracuda ATA IV (80 GB ATA-100) - 21033|
|
IBM Deskstar 60GXP (60.0 GB ATA-100) - 20733|
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Seagate Barracuda ATA IV (80 GB ATA-100) w/ AAM On - 20500|
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Maxtor DiamondMax Plus 60 (60.0 GB ATA-100) - 20333|
|

The decreased access times gained from disabling AAM on the Barracuda ATA IV bring it a negligible increase in the Business Disk WinMark 99... 0.7% to be exact. Gains in the High-End Disk WinMark 99 are a bit more significant, though at less than 3% still not a difference one would likely notice.

In contrast, the difference in WinMarks turned in by quadrupling buffer size is immense. The WD1000BB-SE exhibits a 25% improvement over the BB in the Business test! This gain builds upon a drive that was already the ATA category leader in this measure. Put into perspective, the BB-SE's score of 10.9 MB/sec trails only Seagate's 15,000 RPM Cheetah X15-36LP... by a scant 2% margin at that!

Though improvements aren't quite as breathtaking, they're nonetheless significant in the High-End test. Here the BB-SE builds on the standard WD1000BB (again already the ATA leader here) with a 13% gain, landing itself in the midst of today's top SCSI drives.

WinBench 99 under Windows 2000 Professional in KB/sec - Top 10 Drives
Seagate Cheetah X15-36LP (36.7 GB Ultra160/m SCSI) - 11133 KB/sec|
|
Western Digital Caviar WD1000BB-SE (100 GB ATA-100) - 10900 KB/sec|
|
IBM Ultrastar 36Z15 (36.7 GB Ultra160/m SCSI) - 10047 KB/sec|
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Fujitsu MAM (36 GB Ultra160/m SCSI) - 9190 KB/sec|
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Seagate Cheetah 73LP (73.4 GB Ultra160/m SCSI) - 8840 KB/sec|
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Quantum Atlas 10k II (36.7 GB Ultra160/m SCSI) - 8763 KB/sec|
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Western Digital Caviar WD1000BB (100 GB ATA-100) - 8693 KB/sec|
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Seagate Cheetah 36XL (36.7 GB Ultra 160/m SCSI) - 8607 KB/sec|
|
Western Digital Caviar WD800BB (80.0 GB ATA-100) - 8587 KB/sec|
|
Maxtor Atlas 10k III (73 GB Ultra160/m SCSI) - 8577 KB/sec|
|
Seagate Cheetah X15-36LP (36.7 GB Ultra160/m SCSI) - 31633 KB/sec|
|
Maxtor Atlas 10k III (73 GB Ultra160/m SCSI) - 27533 KB/sec|
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Fujitsu MAM (36 GB Ultra160/m SCSI) - 26367 KB/sec|
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Western Digital Caviar WD1000BB-SE (100 GB ATA-100) - 25567 KB/sec|
|
IBM Ultrastar 36Z15 (36.7 GB Ultra160/m SCSI) - 25400 KB/sec|
|
Seagate Cheetah 73LP (73.4 GB Ultra160/m SCSI) - 24600 KB/sec|
|
Fujitsu MAN (36.7 GB Ultra160/m SCSI) - 23267 KB/sec|
|
Quantum Atlas 10k II (36.7 GB Ultra160/m SCSI) - 23033 KB/sec|
|
Western Digital Caviar WD1000BB (100 GB ATA-100) - 22533 KB/sec|
|
Seagate Cheetah X15 (18.4 GB Ultra160/m SCSI) - 22500 KB/sec|
|

Let's turn to our IOMeter Indices.

 IOMeter Performance...


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