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A Tale Of Two VelociRaptors
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Testing The VelociRaptors

The Testbed

Processors

Intel Core 2 Extreme QX9650

Motherboard

ASUS P5B-E Plus (Intel P965)

Memory

Two G.Skill 1GB PC2-6400 DDR2 modules
Two Kingston 512MB HyperX PC2-8500 DDR2 modules

Graphics Card

ASUS EN8800GTS 512MB

Hard Drives

300 GB Western Digital VelociRaptor BLFS
300 GB Western Digital VelociRaptor HLFS

Operating System

Microsoft Windows Vista 32-bit

 

Testing Methodology

We tested exclusively in Windows Vista, with the latest updates. We chose to use IO Meter as well as our "old faithful", WinBench 99 2.0, with the following tests :

  • Platter Data Transfer Profile
  • Business Disk WinMark 99
  • High-End Disk WinMark 99
  • Disk Transfer Rate (Beginning)
  • Disk Transfer Rate (End)

Business Disk WinMark 99 is a real-world simulation based on three office application suites - Microsoft Office 97, Lotus SmartSuite and Corel WordPerfect Suite 8, as well as a web browser, Netscape Navigator. They are quite dated, but should still reflect the usage patterns of users in an office environment using such applications. The test runs through a script that keeps multiple applications open, while it performs tasks that switches between those applications and Netscape Navigator. The result is the average transfer rate during the script run.

High-End Disk WinMark 99 is a real-world simulation based on AVS/Express 3.4, FrontPage 98, MicroStation SE, Photoshop 4.0, Premiere 4.2, Sound Forge 4.0 and Visual C++ 5.0. However, it differs by running the applications serially, instead of simultaneously. There are individual results for each application but in this comparison, we will be looking only at the weighted average score, which is the average transfer rate during the tests.

Unfortunately, WinBench 99 seemed to have some issues with Windows Vista, or the current Vista driver for the SATA controller. It would register a SetFilePointer error in the Disk Access Time test. So, we were not able to obtain any Disk Access Time results.

Page

Topic

1

The VelociRaptors
Performance Difference?

2

Testing The VelociRaptors

3

Surface Temperature
Platter Data Transfer Profile

4

Winbench 99 Results

5

IO Meter (Random Reads & Writes) Results

6

IO Meter (Sequential Reads & Writes) Results

7

Conclusion

 

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