Analysis: The Impact Of Shifting From 512 Byte To 4 KB Sectors
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Page 1:‘Advanced Format’ Will Be Standard By 2011
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Page 2:512 Byte Emulation: Issues
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Page 3:512 Byte Sectors: Toshiba MK6465GSX (640 GB)
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Page 4:4 KB Sectors: Toshiba MK7559GSXP (750 GB)
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Page 5:Test Setup And Transfer Diagrams
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Page 6:Misaligned Sector Results: I/O Performance
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Page 7:Misaligned Sector Results: Streaming Reads/Writes
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Page 8:Benchmark Results: Access Time And I/O Performance
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Page 9:Benchmark Results: Throughput And Interface Bandwidth
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Page 10:Benchmark Results: PCMark Vantage
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Page 11:Benchmark Results: Power Consumption And Efficiency
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Page 12:Analysis And Conclusion
Benchmark Results: Access Time And I/O Performance
The following pages show the test results for the two different drives and the 750 GB MK7559GSXP running under Windows Vista Ultimate SP1 with aligned sectors, or in other words, an ideal environment.
Overall, access time and I/O performance does not differ much. The results show that there isn’t a disadvantage for the newer 750 GB, 4 KB sector size hard drive.
Summary
- ‘Advanced Format’ Will Be Standard By 2011
- 512 Byte Emulation: Issues
- 512 Byte Sectors: Toshiba MK6465GSX (640 GB)
- 4 KB Sectors: Toshiba MK7559GSXP (750 GB)
- Test Setup And Transfer Diagrams
- Misaligned Sector Results: I/O Performance
- Misaligned Sector Results: Streaming Reads/Writes
- Benchmark Results: Access Time And I/O Performance
- Benchmark Results: Throughput And Interface Bandwidth
- Benchmark Results: PCMark Vantage
- Benchmark Results: Power Consumption And Efficiency
- Analysis And Conclusion
