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Tuesday, February 19, 2002

3. Data Tests

Sony CRX200E IDE DDCDR-W- Page 3

Data Tests

Test Method:
- SCSI Mechanic v3.0 & CD Speed 99 v0.80 Tests: With these tests we attempt to compare the I/O performance of Sony's CRX200E to other various CDR-W drives (see charts) and we also checked the drive performance. In all of the following tests we used a pressed CD containing PlexTools v1.08 original CD.

- SCSI Mechanic v3.0 results:

The Sony CRX200E performed fairly good in the SCSI Mechanic test. The drive had the lower score in both "Average Random I/O" and "Average Sequential I/O" tests results. In the "Average Same Sector I/O" tests the drive managed its internal cache very succesfully and gave a very good output (10829 KB/s).

- CD Speed 99 results: (click here to see the CD Speed 99 graph)

The CD Speed 99 results confirmed our previous tests results. The Sony drive gave back the lowest average reading speed mark (only 23.85x) and it seems that it needs extra care from Sony engineers to gain some reading performance.

The seek times for Sony CRX200E are also increased compared to the competition. The drive has an average 150ms random seek time, which is almost two times higher than Acer's CRX1208!

- DDCD-R Media

We burned a DDCD-R media with data up to 1.3GB and the graph from CD Speed 99 was out of the usual limits with an average reading speed of 21.72x. The author of CD Speed has kindly offered us the latest beta of CD Speed 99 (0.82) which now has selectable testing scale and improved arlgorithms. The final result is much better than with the previous (0.80) build. With the new version the drive's average reading speed was 24.35x:

CD Speed 99 Graph >> CD Speed 99 latest build graph

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